# Butterfly Valve, Flow Controlled by TWS Valve > Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve) mainly produce  wafer butterfly valve, lug butterfly valve, flanged butterfly valve, resilient seated gate valve,dual plate check valve, rubber seated swing check valve, Y strainer, balancing valve, air releasing valve, backflow preventer, etc, and all products conform to international standards. ### Company Tianjin Tanggu Water-Seal Valve Co., Ltd. ### Description Tianjin Tanggu Water-Seal Valve Co., Ltd.(TWS Valve) found in 1997,and is a professional manufacturer which intergrates design , development,production,installation,sales and service,we have 2 plants ,one  in  Xiaozhan Town, Jinnan , Tianjin ,other in Gegu Town, Jinnan ,Tianjin.Now we have become one of China’s leading suppliers of water management valve products and product solutions.Furthermore, we have built up our own strong brands “TWS” . ### Address No.105, No.6 road, Industrial park, Xiaozhan Town, Jinnan District, Tianjin, China ### Phone 0086-13662183105 ### Mobile 0086-(0)22-25217878 ### Email tws-valve@water-sealvalve.com ## Home [Home](https://www.tws-valve.com/) ## Videos [Videos](https://www.tws-valve.com/videos/): Wafer Butterfly Valve TWS Penumatic Actuator U type butterfly valve Wafer butterfly valve with gearbobx Resilient gate ## FAQs [FAQs](https://www.tws-valve.com/faqs/): FAQ FREQUENTLY ASKED QUESTIONS What are your prices and quality level? TWS Valve price is very competive if same quality,and our quality ## About Us [About Us](https://www.tws-valve.com/about-us/): Tianjin Tanggu Water-Seal Valve Co., Ltd. All For Customers,All From Innovation Established Tianjin Tanggu Water-Seal Valve Co.,Ltd(TWS ## Hot Tags [Hot Tags](https://www.tws-valve.com/tags/):Hot Tags ## Contact Us [Contact Us](https://www.tws-valve.com/contact-us/): Tianjin Tanggu Water-Seal Valve Co., Ltd. Address No.105, No.6 road, Industrial park, Xiaozhan Town, Jinnan District, Tianjin,China E-mai ## Air release valve [Air release valve](https://www.tws-valve.com/air-release-valve/) ## Backflow Preventer [Backflow Preventer](https://www.tws-valve.com/backflow-preventer/) ## Butterfly valve [Butterfly valve](https://www.tws-valve.com/butterfly-valve/) ## Check valve [Check valve](https://www.tws-valve.com/check-valve/) ## Dual plate wafer check valve [Dual plate wafer check valve](https://www.tws-valve.com/dual-plate-wafer-check-valve/) ## Featured [Featured](https://www.tws-valve.com/featured/) ## Featured Products [Featured Products](https://www.tws-valve.com/featured-products/) ## Flanged concentric butterfly valve [Flanged concentric butterfly valve](https://www.tws-valve.com/flanged-concentric-butterfly-valve/) ## Flanged eccentric butterfly valve [Flanged eccentric butterfly valve](https://www.tws-valve.com/flanged-eccentric-butterfly-valve/) ## Gate valve [Gate valve](https://www.tws-valve.com/gate-valve/) ## Grooved end butterfly valve [Grooved end butterfly valve](https://www.tws-valve.com/grooved-end-butterfly-valve/) ## Lug butterfly valve [Lug butterfly valve](https://www.tws-valve.com/lug-butterfly-valve/) ## Metal seated gate valve [Metal seated gate valve](https://www.tws-valve.com/metal-seated-gate-valve/) ## Products [Products](https://www.tws-valve.com/products/) ## Resilient seated gate valve [Resilient seated gate valve](https://www.tws-valve.com/resilient-seated-gate-valve/) ## Rubber seated swing check valve [Rubber seated swing check valve](https://www.tws-valve.com/rubber-seated-swing-check-valve/) ## Static balancing valve [Static balancing valve](https://www.tws-valve.com/static-balancing-valve/) ## U section butterfly valve [U section butterfly valve](https://www.tws-valve.com/u-section-butterfly-valve/) ## Wafer butterfly valve [Wafer butterfly valve](https://www.tws-valve.com/wafer-butterfly-valve/) ## Worm Gear [Worm Gear](https://www.tws-valve.com/worm-gear/) ## Y strainer [Y strainer](https://www.tws-valve.com/y-strainer/) ## RH Series Rubber seated swing check valve [RH Series Rubber seated swing check valve](https://www.tws-valve.com/rh-series-rubber-seated-swing-check-valve-product/):Description: RH Series Rubber seated swing check valve is simple, durable and exhibits improved design features over that of traditional metal-seated ## TWS Flanged Y Strainer According to ANSI B16.10 [TWS Flanged Y Strainer According to ANSI B16.10](https://www.tws-valve.com/tws-flanged-y-strainer-according-to-ansi-b16-10-product/):Description: Y strainers mechanically remove solids from flowing steam, gases or liquid piping systems with the use of a perforated or wire mesh strai ## TWS Flanged Y strainer According to DIN3202 F1 [TWS Flanged Y strainer According to DIN3202 F1](https://www.tws-valve.com/tws-flanged-y-strainer-according-to-din3202-f1-product/):Description: TWS Flanged Y Strainer is device for mechanically removing unwanted solids from liquid, gas or steam lines by means of a perforated or wi ## TWS Flanged static balancing valve [TWS Flanged static balancing valve](https://www.tws-valve.com/tws-flanged-static-balancing-valve-product/): Description: TWS Flanged Static balancing valve is a key hydraulic balance product used for precise flow regulating of water pipelines system in HVAC ## TWS Flanged Y Magnet Strainer [TWS Flanged Y Magnet Strainer](https://www.tws-valve.com/tws-flanged-y-magnet-strainer-product/):Description: TWS Flanged Y Magnet Strainer with Magnetic rod for magnetic metal particles segregation. Quantity of magnet set: DN50~DN100 with one ma ## TWS Air release valve [TWS Air release valve](https://www.tws-valve.com/tws-air-release-valve-product/): Description: The composite high-speed air release valve are combined with two parts of high-pressure diaphragm air valve and the low pressure inlet ## YD Series Wafer butterfly valve [YD Series Wafer butterfly valve](https://www.tws-valve.com/yd-series-wafer-butterfly-valve-product/): Description: YD Series Wafer butterfly valve 's flange connection is universal standard,and the material of handle is aluminium;It can be used as a d ## MD Series Wafer butterfly valve [MD Series Wafer butterfly valve](https://www.tws-valve.com/md-series-wafer-butterfly-valve-product/): Description: Comparing to our YD series,flange connection of MD Series wafer butterfly valve is specific,the handle is malleable iron. Working Temp ## ED Series Wafer butterfly valve [ED Series Wafer butterfly valve](https://www.tws-valve.com/ed-series-wafer-butterfly-valve-product/): Description: ED Series Wafer butterfly valve is soft sleeve type and can separate the body and fluid medium exactly,. Material of Main Parts:  ## FD Series Wafer butterfly valve [FD Series Wafer butterfly valve](https://www.tws-valve.com/fd-series-wafer-butterfly-valve-product/): Description: FD Series Wafer butterfly valve with PTFE lined structure, this series resilient seated butterfly valve is designed for corrosive media, ## BD Series Wafer butterfly valve [BD Series Wafer butterfly valve](https://www.tws-valve.com/bd-series-wafer-butterfly-valve-product/): Description: BD Series wafer butterfly valve can be used as a device to cut-off or regulate the flow in various medium pipes. Through selecting diffe ## MD Series Lug butterfly valve [MD Series Lug butterfly valve](https://www.tws-valve.com/md-series-lug-butterfly-valve-product/): Description: MD Series Lug type butterfly valve allows downstream pipelines and equipments online repair, and it can be installed on pipe ends as exh ## UD Series soft sleeve seated butterfly valve [UD Series soft sleeve seated butterfly valve](https://www.tws-valve.com/ud-series-soft-sleeve-seated-butterfly-valve-product/): UD Series soft sleeve seated butterfly valve is Wafer pattern with flanges ,the face to face is EN558-1 20 series as wafer type. Characteristics: 1. ## UD Series hard-seated butterfly valve [UD Series hard-seated butterfly valve](https://www.tws-valve.com/ud-series-hard-seated-butterfly-valve-product/): Description: UD Series hard seated butterfly valve is Wafer pattern with flanges ,the face to face is EN558-1 20 series as wafer type. Material of Ma ## DL Series flanged concentric butterfly valve [DL Series flanged concentric butterfly valve](https://www.tws-valve.com/dl-series-flanged-concentric-butterfly-valve-product/): Description: DL Series flanged concentric butterfly valve is with centric disc and bonded liner,and have all same common features of other wafer/lug ## DC Series flanged eccentric butterfly valve [DC Series flanged eccentric butterfly valve](https://www.tws-valve.com/dc-series-flanged-eccentric-butterfly-valve-product/): Description: DC Series flanged eccentric butterfly valve incorporates a positive retained resilient disc seal and either an integral body seat. The v ## GD Series grooved end butterfly valve [GD Series grooved end butterfly valve](https://www.tws-valve.com/gd-series-grooved-end-butterfly-valve-product/): Description: GD Series grooved end butterfly valve is a grooved end bubble tight shutoff butterfly valve with outstanding flow characteristics. The ## EZ Series Resilient seated NRS gate valve [EZ Series Resilient seated NRS gate valve](https://www.tws-valve.com/ez-series-resilient-seated-nrs-gate-valve-product/): Description: EZ Series Resilient seated NRS gate valve is a wedge gate valve and Non-rising stem type, and suitable for use with water and neutral li ## EZ Series Resilient seated OS&Y gate valve [EZ Series Resilient seated OS&Y gate valve](https://www.tws-valve.com/ez-series-resilient-seated-osy-gate-valv-product/): Description: EZ Series Resilient seated OS&Y gate valve is a wedge gate valve and Rising stem type, and suitable for use with water and neutra ## AZ Series Resilient seated NRS gate valve [AZ Series Resilient seated NRS gate valve](https://www.tws-valve.com/az-series-resilient-seated-nrs-gate-valve-product/): Description: AZ Series Resilient seated NRS gate valve is a wedge gate valve and Non-rising stem type, and suitable for use with water and neutral ## AZ Series Resilient seated OS&Y gate valve [AZ Series Resilient seated OS&Y gate valve](https://www.tws-valve.com/az-series-resilient-seated-osy-gate-valve-product/): Description: AZ Series Resilient seated NRS gate valve is a wedge gate valve and Rising stem (Outside Screw and Yoke)type, and suitable for use with ## WZ Series Metal seated NRS gate valve [WZ Series Metal seated NRS gate valve](https://www.tws-valve.com/wz-series-metal-seated-nrs-gate-valve-product/): Description: WZ Series Metal seated NRS gate valve use a ductile iron gate that houses bronze rings to ensure a watertight seal. The non-rising st ## WZ Series Metal seated OS&Y gate valve [WZ Series Metal seated OS&Y gate valve](https://www.tws-valve.com/wz-series-metal-seated-osy-gate-valve-product/): Description: WZ Series Metal seated OS&Y gate valve use a ductile iron gate that houses bronze rings to ensure a watertight seal. The OS&Y (O ## EH Series Dual plate wafer check valve [EH Series Dual plate wafer check valve](https://www.tws-valve.com/eh-series-dual-plate-wafer-check-valve-product/):Description: EH Series Dual plate wafer check valve is with two torsion springs added to each of pair valve plates, which close the plates quickly and ## AH Series Dual plate wafer check valve [AH Series Dual plate wafer check valve](https://www.tws-valve.com/ah-series-dual-plate-wafer-check-valve-product/):Description: Material list: No. Part Material AH      EH BH MH 1 Body CI DI WCB CF8 CF8M C95400 CI DI WCB CF8 CF8M C95400 WCB CF8 CF8M C95 ## BH Series Dual plate wafer check valve [BH Series Dual plate wafer check valve](https://www.tws-valve.com/bh-series-dual-plate-wafer-check-valve-product/):Description: BH Series Dual plate wafer check valve is the cost-effective backflow protection for piping systems,as it is the only fully elastomer-lin ## Worm Gear [Worm Gear](https://www.tws-valve.com/worm-gear-product/):Description: TWS produces series manual high efficiency worm gear actuator, is based on the 3D CAD framework of modular design, the rated speed ratio ## Mini Backflow Preventer [Mini Backflow Preventer](https://www.tws-valve.com/backflow-preventer-product/): Description: Most of the residents don't install the backflow preventer in their water pipe. Only a few people use the normal check valve to prev ## Flanged Backflow Preventer [Flanged Backflow Preventer ](https://www.tws-valve.com/flanged-backflow-preventer-2-product/): Description: Slight resistance Non-return Backflow Preventer (Flanged Type) TWS-DFQ4TX-10/16Q-D - is a kind of water control combination device deve ## DN1200 PN16 double eccentric flanged butterfly valve [DN1200 PN16 double eccentric flanged butterfly valve](https://www.tws-valve.com/dn1200-pn16-double-eccentric-flanged-butterfly-valve-product/):Double eccentric butterfly valve Essential details Warranty: 2 years Type: Butterfly Valves Customized support: OEM Place of Origin: Tianjin, China Br ## OEM Manufacturer DN50-DN200 Fire Fighting Grooved Signal Butterfly Valve [OEM Manufacturer DN50-DN200 Fire Fighting Grooved Signal Butterfly Valve](https://www.tws-valve.com/oem-manufacturer-dn50-dn200-fire-fighting-grooved-signal-butterfly-valve-product/):Our pros are reduce price ranges,dynamic gross sales staff,specialized QC,potent factories,premium quality services for OEM Manufacturer DN50-DN200 Fi ## Professional Factory for resilient seated gate valve [Professional Factory for resilient seated gate valve](https://www.tws-valve.com/professional-factory-for-resilient-seated-gate-valve-product/):We provide fantastic power in high-quality and development,merchandising,profits and marketing and advertising and operation for Professional Factory ## OEM Manufacturer Fast Running Shower Floor Drain Backflow Preventer Waterless Trap Seal Valve [OEM Manufacturer Fast Running Shower Floor Drain Backflow Preventer Waterless Trap Seal Valve](https://www.tws-valve.com/oem-manufacturer-fast-running-shower-floor-drain-backflow-preventer-waterless-trap-seal-valve-product/):As a way to finest meet up with client's wants, all of our operations are strictly performed in line with our motto "High Quality, Aggressive Price, F ## 300 Microns Epoxy Coated 250mm Tianjin Wafer Butterfly valve with Multi drillings [300 Microns Epoxy Coated 250mm Tianjin Wafer Butterfly valve with Multi drillings](https://www.tws-valve.com/300-microns-epoxy-coated-250mm-tianjin-wafer-butterfly-valve-with-multi-drillings-2-product/):TWS water-seal valve wafer butterfly valve Essential details Warranty: 1 year Type: Butterfly Valves Customized support: OEM Place of Origin: Tianjin, ## Good Price Bare Shaft Wafer/Lug Connection Butterfly Valve Ductile Iron Rubber Center Lined Valve Water Adjust Valve [Good Price Bare Shaft Wafer/Lug Connection Butterfly Valve Ductile Iron Rubber Center Lined Valve Water Adjust Valve](https://www.tws-valve.com/bare-shaft-butterfly-valve-china-econosto-valve-water-adjust-valve-product/):bare shaft butterfly valve china valve water adjust valve Description Centric Butterfly Valves General Sizes: 1.5” -72.0” (40mm-1800mm) Temp ## TWS DN600 Lug Type Butterfly valve Stainless Steel valve Butterfly Valve with thread holes [TWS DN600 Lug Type Butterfly valve Stainless Steel valve Butterfly Valve with thread holes](https://www.tws-valve.com/tws-dn600-lug-type-butterfly-valve-stainless-steel-valve-butterfly-valve-with-thread-holes-product/):(TWS) WATER-SEAL VALVE COMPANY Lug butterfly valve Essential details Warranty: 18 months Type: Butterfly Valves, Water Regulating Valves, Lug Concent ## Discount Price Industrial Cast Iron Gg25 Water Meter Y Type Strainer with Flange End Y Filter [Discount Price Industrial Cast Iron Gg25 Water Meter Y Type Strainer with Flange End Y Filter](https://www.tws-valve.com/discount-price-industrial-cast-iron-gg25-water-meter-y-type-strainer-with-flange-end-y-filter-product/):Our purpose would be to offer good quality products at competitive price ranges, and top-notch support to clients around the whole world. 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Ⅰ. The main function of the va ## TWS’s Structural Characteristics of Flange Butterfly Valve [TWS’s Structural Characteristics of Flange Butterfly Valve](https://www.tws-valve.com/news/twss-structural-characteristics-of-flange-butterfly-valve/):Body Structure: The valve body of flange butterfly valves is usually made by casting or forging processes to ensure that the valve body has sufficien ## Soft Seal Wafer Butterfly Valve - Superior Flow Control Solution [Soft Seal Wafer Butterfly Valve - Superior Flow Control Solution](https://www.tws-valve.com/news/soft-seal-wafer-butterfly-valve-superior-flow-control-solution/):Product Overview​ The Soft Seal Wafer Butterfly Valve is a crucial component in fluid control systems, designed to regulate the flow of various medi ## Soft-Seal Butterfly Valves: Redefining Efficiency and Reliability in Fluid Control [Soft-Seal Butterfly Valves: Redefining Efficiency and Reliability in Fluid Control](https://www.tws-valve.com/news/soft-seal-butterfly-valves-redefining-efficiency-and-reliability-in-fluid-control/):In the realm of fluid control systems, soft-seal wafer/lug/flange concenctric butterfly valves have emerged as a cornerstone of reliability, offering ## Join TWS at the 9th China Environmental Expo Guangzhou – Your Valve Solutions Partner [Join TWS at the 9th China Environmental Expo Guangzhou – Your Valve Solutions Partner](https://www.tws-valve.com/news/join-tws-at-the-9th-china-environmental-expo-guangzhou-your-valve-solutions-partner/):We're thrilled to announce that our company will be participating in the 9th China Environmental Expo Guangzhou from September 17th to 19th, 2025! You ## TWS Backflow Preventer [TWS Backflow Preventer ](https://www.tws-valve.com/news/tws-backflow-preventer/):Working Principle of Backflow Preventer TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or ot ## Classification of Rubber sealing Check Valves [Classification of Rubber sealing Check Valves](https://www.tws-valve.com/news/classification-of-rubber-sealing-check-valves/):Rubber Sealing Check valves can be classified according to their structure and installation method as follows: Swing Check Valve: The disc of a swing ## Why do valves “die young? ”Waters reveals the mystery of their short life! [Why do valves “die young? ”Waters reveals the mystery of their short life!](https://www.tws-valve.com/news/why-do-valves-die-young-waters-reveals-the-mystery-of-their-short-life/):In the 'steel jungle' of industrial pipelines, valves act as silent water workers, controlling the flow of fluids. However, they often 'die young,' wh ## Y-type filter vs. Basket Filter: The "Duopoly" battle in industrial pipeline filtration [Y-type filter vs. Basket Filter: The "Duopoly" battle in industrial pipeline filtration](https://www.tws-valve.com/news/y-type-filter-vs-basket-filter-the-duopoly-battle-in-industrial-pipeline-filtration/):In industrial piping systems, filters act like loyal guardians, protecting core equipment such as valves, pump bodies, and instruments from impurities ## Unveiling Excellence: A Journey of Trust and Collaboration [Unveiling Excellence: A Journey of Trust and Collaboration](https://www.tws-valve.com/news/unveiling-excellence-a-journey-of-trust-and-collaboration/):Unveiling Excellence: A Journey of Trust and Collaboration​ Yesterday, a new client, a renowned player in the valve industry, embarked on a visit to ## TWS brand high - speed compound exhaust valve [TWS brand high - speed compound exhaust valve](https://www.tws-valve.com/news/tws-brand-high-speed-compound-exhaust-valve/):The TWS high - speed compound air release valve is a sophisticated valve designed for efficient air release and pressure regulation in various pipelin ## Comprehensive Introduction to Soft Sealing Flanged Concentric Butterfly Valves D341X-16Q [Comprehensive Introduction to Soft Sealing Flanged Concentric Butterfly Valves D341X-16Q](https://www.tws-valve.com/news/comprehensive-introduction-to-soft-sealing-flanged-concentric-butterfly-valves-d341x-16q/):1. Basic Definition and Structure A soft sealing flanged concentric butterfly valve (also known as a "center-line butterfly valve") is a quarter-turn ## Differences Between Low-End and Mid-High-End Soft Sealing Butterfly Valves [Differences Between Low-End and Mid-High-End Soft Sealing Butterfly Valves](https://www.tws-valve.com/news/differences-between-low-end-and-mid-high-end-soft-sealing-butterfly-valves/): Material Selection Low-End Valves Body/Disc Materials: Typically use low-cost metals like cast iron or unalloyed carbon steel, which may lack c ## Backflow Preventer: Uncompromising Protection for Your Water Systems [Backflow Preventer: Uncompromising Protection for Your Water Systems](https://www.tws-valve.com/news/backflow-preventer-uncompromising-protection-for-your-water-systems/):In a world where water safety is non-negotiable, safeguarding your water supply from contamination is crucial. Introducing our cutting-edge Backflow P ## Soft Seal Butterfly Valve: Unmatched Sealing, Unrivaled Performance [Soft Seal Butterfly Valve: Unmatched Sealing, Unrivaled Performance](https://www.tws-valve.com/news/soft-seal-butterfly-valve-unmatched-sealing-unrivaled-performance/):In the world of industrial valves, precision, reliability, and efficiency are non-negotiable. Introducing our Soft Seal Butterfly Valve – the ultima ## Soft Sealing Flange Double Eccentric Butterfly Valve (Dry Shaft Type) [Soft Sealing Flange Double Eccentric Butterfly Valve (Dry Shaft Type)](https://www.tws-valve.com/news/the-dry-shaft-structure-of-the-double-eccentric-butterfly-valve/):Product Definition The Soft Sealing Flange Double Eccentric Butterfly Valve (Dry Shaft Type) is a high-performance valve designed for precise flow con ## Do you know the common classifications of electric butterfly valves? [Do you know the common classifications of electric butterfly valves?](https://www.tws-valve.com/news/do-you-know-the-common-classifications-of-electric-butterfly-valves/):Electric butterfly valves are a type of electric valve and electric control valve. The main connection methods of electric butterfly valves are: flang ## TWS Soft Seal Gate Valves: Precision Engineering for Superior Flow Control [TWS Soft Seal Gate Valves: Precision Engineering for Superior Flow Control](https://www.tws-valve.com/news/tws-soft-seal-gate-valves-precision-engineering-for-superior-flow-control/):As a trusted manufacturer of high-performance soft seal gate valves z41x-16q, we specialize in delivering durable, reliable, and cost-effective solut ## High-Quality Soft Seal Butterfly Valves: Your Reliable Flow Control Solution [High-Quality Soft Seal Butterfly Valves: Your Reliable Flow Control Solution](https://www.tws-valve.com/news/high-quality-soft-seal-butterfly-valves-your-reliable-flow-control-solution/):As a leading manufacturer of soft seal butterfly valves, we specialize in delivering durable, high-quality valves designed for a wide range of indust ## Tianjin Tanggu Waters Valve Co., Ltd.: Redefining Fluid Control with Soft-Sealed Butterfly Valves [Tianjin Tanggu Waters Valve Co., Ltd.: Redefining Fluid Control with Soft-Sealed Butterfly Valves](https://www.tws-valve.com/news/tianjin-tanggu-waters-valve-co-ltd-redefining-fluid-control-with-soft-sealed-butterfly-valves/):Tianjin Tanggu Waters Valve Co., Ltd.: Redefining Fluid Control with Soft-Sealed Butterfly Valves. As a distinguished leader in the valve manufacturin ## Tianjin Tanggu Waters Valve Co., Ltd. Backflow Preventer: Uncompromising Protection for Your Systems [Tianjin Tanggu Waters Valve Co., Ltd. Backflow Preventer: Uncompromising Protection for Your Systems](https://www.tws-valve.com/news/tianjin-tanggu-waters-valve-co-ltd-backflow-preventer-uncompromising-protection-for-your-systems/):Tianjin Tanggu Waters Valve Co., Ltd. Backflow Preventer: Uncompromising Protection for Your Systems As a leading manufacturer in the valve industry, ## Safeguard Your Water Supply with Our Advanced Backflow Preventers [Safeguard Your Water Supply with Our Advanced Backflow Preventers](https://www.tws-valve.com/news/safeguard-your-water-supply-with-our-advanced-backflow-preventers/):In an era where the quality of water is of paramount importance, protecting your water supply from contamination is non-negotiable. Backflow, the unwa ## TWS Soft-Sealing Butterfly Valves [TWS Soft-Sealing Butterfly Valves](https://www.tws-valve.com/news/tws-soft-sealing-butterfly-valves/):‌Core Product Features‌ ‌Material & Durability‌ ‌Body & Components‌: Carbon steel, stainless steel, or alloy materials, with cer ## Showcases Excellence in Soft-Sealing Butterfly Valves at IE Expo Shanghai, Reinforcing 20+ Years of Industry Leadership [Showcases Excellence in Soft-Sealing Butterfly Valves at IE Expo Shanghai, Reinforcing 20+ Years of Industry Leadership](https://www.tws-valve.com/news/showcases-excellence-in-soft-sealing-butterfly-valves-at-ie-expo-shanghai-reinforcing-20-years-of-industry-leadership/):Shanghai,21-23 April— Tianjin Tanggu Water-Seal Valve Co.,Ltd, a renowned manufacturer of soft-sealing butterfly valves with over two decades of exp ## Air release valve [Air release valve](https://www.tws-valve.com/news/air-release-valve/):Tianjin Tanggu Water-seal Valve Co., Ltd. R & D production of Air release valve, mainly by the valve body, valve cover, float ball, floating buck ## Analysis of the Advantages and Disadvantages of the Five Common Types of Valves 2 [Analysis of the Advantages and Disadvantages of the Five Common Types of Valves 2](https://www.tws-valve.com/news/analysis-of-the-advantages-and-disadvantages-of-the-five-common-types-of-valves-2/): 3. Ball Valve The ball valve evolved from the plug valve. Its opening and closing part is a sphere, and the sphere rotates 90°around the axis of th ## The 26th China IE Expo Shanghai 2025 [The 26th China IE Expo Shanghai 2025 ](https://www.tws-valve.com/news/the-26th-china-ie-expo-shanghai-2025-will-be-grandly-held-at-the-shanghai-new-international-expo-center-from-april-21st-to-23rd-2025-this-exhibition-will-continue-to-deeply-engage-in-the-environment/):The 26th China IE Expo Shanghai 2025 will be grandly held at the Shanghai New International Expo Center from April 21st to 23rd, 2025. This exhibition ## ‌Heat Treatment Process for WCB Castings‌ [‌Heat Treatment Process for WCB Castings‌](https://www.tws-valve.com/news/%e2%80%8cheat-treatment-process-for-wcb-castings%e2%80%8c/): WCB, a carbon steel casting material conforming to ASTM A216 Grade WCB, undergoes a standardized heat treatment process to achieve the required mech ## TWS VALVE to Showcase Innovative Environmental Solutions at IE Expo Asia 2025 in Shanghai [TWS VALVE to Showcase Innovative Environmental Solutions at IE Expo Asia 2025 in Shanghai](https://www.tws-valve.com/news/tws-valve-to-showcase-innovative-environmental-solutions-at-ie-expo-asia-2025-in-shanghai/): ‌Shanghai, China – April 2025‌ – TWS VALVE, an experienced manufacture in rubber seated butterfly valve, e.g., "sustainable technology and ## The two types of TWS rubber seat-Innovative Rubber Valve Seats for Enhanced Performance [The two types of TWS rubber seat-Innovative Rubber Valve Seats for Enhanced Performance](https://www.tws-valve.com/news/the-two-types-of-tws-rubber-seat-innovative-rubber-valve-seats-for-enhanced-performance/):TWS VALVE, a trusted manufacturer of resilient seated butterfly valves, proudly introduces two advanced rubber seat solutions engineered for superior ## Analysis of the advantages and disadvantages of the five common valves [Analysis of the advantages and disadvantages of the five common valves ](https://www.tws-valve.com/news/analysis-of-the-advantages-and-disadvantages-of-the-five-common-valves/): There are many types of valves, each has its own advantages and disadvantages, the following lists the advantages and disadvantages of five valves ## Incredible Insights & Connections at Amsterdam Water Show 2025! [Incredible Insights & Connections at Amsterdam Water Show 2025!](https://www.tws-valve.com/news/incredible-insights-connections-at-amsterdam-water-show-2025/): Tianjin Tanggu Water-Seal Valve Sales Team have particpated in Aqutech Amesterdam this month. What an inspiring few days at the Amsterdam Water S ## Leakage fault and elimination method after installation of the soft seal butterfly valve in the middle line [Leakage fault and elimination method after installation of the soft seal butterfly valve in the middle line](https://www.tws-valve.com/news/leakage-fault-and-elimination-method-after-installation-of-the-soft-seal-butterfly-valve-in-the-middle-line/):The inner sealing of the concentric line soft seal butterfly valve D341X-CL150 relies on the seamless contact between the rubber seat and the butterfl ## Innovative Valve Solutions Take Center Stage at Amsterdam International Water Event [Innovative Valve Solutions Take Center Stage at Amsterdam International Water Event](https://www.tws-valve.com/news/innovative-valve-solutions-take-center-stage-at-amsterdam-international-water-event/):Tianjin Tanggu Water-seal Valve Co.,ltd to Showcase High-Performance Butterfly Valves at Booth 03.220F   TWS VALVE, with more than 20 years exp ## Classification of Air Valves [Classification of Air Valves](https://www.tws-valve.com/news/classification-of-air-valves/):Air valves GPQW4X-10Q are applied to the pipeline exhaust in independent heating systems, centralized heating systems, heating boilers, central air co ## How to Select the Valve Electric Actuator of the Electrically Adjustable Wafer Butterfly Valve D67A1X-10ZB1 [How to Select the Valve Electric Actuator of the Electrically Adjustable Wafer Butterfly Valve D67A1X-10ZB1](https://www.tws-valve.com/news/how-to-select-the-valve-electric-actuator-of-the-electrically-adjustable-wafer-butterfly-valve-d67a1x-10zb1/):The butterfly valve with electric actuator D67A1X-10ZB1 is an important driving force for the electrically adjustable resilient seated wafer butterfl ## Features of D371X Manual Operated Soft Seal Butterfly Valve [Features of D371X Manual Operated Soft Seal Butterfly Valve](https://www.tws-valve.com/news/features-of-d371x-manual-operated-soft-seal-butterfly-valve/):Tianjin Tanggu Water-seal Valve was established in 1997, which is a professional manufacture that integrates design and development, production, insta ## Selection of surfacing materials for valve sealing surfaces [Selection of surfacing materials for valve sealing surfaces](https://www.tws-valve.com/news/selection-of-surfacing-materials-for-valve-sealing-surfaces/):The sealing surface of steel valves (DC341X-16 Double flanged eccentric butterfly valve)  is generally manufactured by (TWS valve )surfacing welding. ## Leading Intelligence, Shaping Water Future—TWS VALVE [Leading Intelligence, Shaping Water Future—TWS VALVE ](https://www.tws-valve.com/news/leading-intelligence-shaping-water-future-tws-valve/):Leading Intelligence, Shaping Water Future—TWS VALVE Shines at 2023~2024 International Valve & Water Technology Expo From 15th to 18th, Nov., 2 ## Collaborative Achievement in Water Supply System—TWS Valve Factory [Collaborative Achievement in Water Supply System—TWS Valve Factory ](https://www.tws-valve.com/news/collaborative-achievement-in-water-supply-system-tws-valve-factory/):Collaborative Achievement in Water Supply System—TWS Valve Factory Completes Soft-Sealed Butterfly Valve Project with a Leading Water Supply Company ## Welcome to TWS Valve Booth 03.220 F on Aquatech Amsterdam 2025 [Welcome to TWS Valve Booth 03.220 F on Aquatech Amsterdam 2025](https://www.tws-valve.com/news/welcome-to-tws-valve-booth-03-220-f-on-aquatech-amsterdam-2025/):Tianjin Tanggu Water Seal Valve Co., Ltd. (TWS Valve) is pleased to announce that we will be attending  Aquatech Amsterdam 2025! From March 11th to 1 ## Lantern Festival Day-TWS Valve [Lantern Festival Day-TWS Valve](https://www.tws-valve.com/news/lantern-festival-day-tws-valve/):The Lantern Festival, also known as the Shangyuan Festival, the Little New Year's Month, the New Year's Day or the Lantern Festival, is held on the fi ## TWS Valves-Tips for turning the heating valve on and off [TWS Valves-Tips for turning the heating valve on and off](https://www.tws-valve.com/news/tws-valves-tips-for-turning-the-heating-valve-on-and-off/):Tips for turning the heating valve on and off For many families in the north, heating is not a new word, but an indispensable necessity for winter li ## TWS valves – the connection between valves and pipes [TWS valves – the connection between valves and pipes](https://www.tws-valve.com/news/tws-valves-the-connection-between-valves-and-pipes/):The connection between the valve and the pipe The way in which the valve is connected to the pipe (1) Flange connection: Flange connection is one of t ## What should I do if I encounter non-fusion and non-penetration defects after valve welding? [What should I do if I encounter non-fusion and non-penetration defects after valve welding?](https://www.tws-valve.com/news/what-should-i-do-if-i-encounter-non-fusion-and-non-penetration-defects-after-valve-welding/):1. Defect characteristics Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the ## Basic knowledge and precautions of valve corrosion [Basic knowledge and precautions of valve corrosion](https://www.tws-valve.com/news/basic-knowledge-and-precautions-of-valve-corrosion/):Corrosion is one of the most important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important issue to ## TWS VALVE- Composite High Speed Air Release Valve [TWS VALVE- Composite High Speed Air Release Valve](https://www.tws-valve.com/news/tws-valve-composite-high-speed-air-release-valve/):Tianjin Tanggu Water Seal Valve follows the business philosophy of "all for users, all from innovation", and its products are constantly innovated and ## TWS VALVE 2024 Corporate Annual Meeting Ceremony [TWS VALVE 2024 Corporate Annual Meeting Ceremony](https://www.tws-valve.com/news/tws-valve-2024-corporate-annual-meeting-ceremony/):At this beautiful moment of saying goodbye to the old and welcoming the new, we stand hand in hand, standing at the intersection of time, looking back ## Valve performance testing [Valve performance testing](https://www.tws-valve.com/news/what-is-the-advantage-of-butterfly-valve-3/): Valves are indispensable equipment in industrial production, and their performance directly affects the stability and efficiency of the production p ## The main classification of pneumatic butterfly valves [The main classification of pneumatic butterfly valves](https://www.tws-valve.com/news/valve-flow-characteristics-tianjin-tanggu-water-seal-valve-co-ltd-tws-valve-co-ltd/): 1. Stainless steel pneumatic butterfly valve classified by material: made of stainless steel, with excellent corrosion resistance and high temperatu ## Why choose TWS valves: the ultimate solution for your fluid control needs [Why choose TWS valves: the ultimate solution for your fluid control needs](https://www.tws-valve.com/news/why-choose-tws-valves-the-ultimate-solution-for-your-fluid-control-needs/):**Why choose TWS valves: the ultimate solution for your fluid control needs** For fluid control systems, choosing the right components is critical to ## Rubber Seated Butterfly Valve with EPDM Sealing: A Comprehensive Overview [Rubber Seated Butterfly Valve with EPDM Sealing: A Comprehensive Overview](https://www.tws-valve.com/news/rubber-seated-butterfly-valve-with-epdm-sealing-a-comprehensive-overview/):**Rubber-seated butterfly valves with EPDM seals: a comprehensive overview** Butterfly valves are essential components in various industrial applicat ## TWS Valve wishes you a Merry Christmas [TWS Valve wishes you a Merry Christmas](https://www.tws-valve.com/news/tws-valve-wishes-you-a-merry-christmas/):As the holiday season approaches, TWS Valve would like to take this opportunity to extend our warmest wishes to all our customers, partners and employ ## Gate valve encyclopedia and common troubleshooting [Gate valve encyclopedia and common troubleshooting](https://www.tws-valve.com/news/gate-valve-encyclopedia-and-common-troubleshooting-2/):Gate valve is a more common general valve, widely used, mainly used in water conservancy, metallurgy and other industries, its wide range of performan ## What does the CV value mean? How to select a control valve by Cv value? [What does the CV value mean? How to select a control valve by Cv value?](https://www.tws-valve.com/news/what-does-the-cv-value-mean-how-to-select-a-control-valve-by-cv-value/):In valve engineering, the Cv value (Flow Coefficient) of the control valve refers to the volume flow rate or mass flow rate of the pipe medium through ## TWS Valve will attend the Aquatech Amsterdam from March 11th to 14th,2025 [TWS Valve will attend the Aquatech Amsterdam from March 11th to 14th,2025](https://www.tws-valve.com/news/9600/):Tianjin Tanggu Water-seal Valve  will be participating in the Aquatech Amsterdam from March 11th to 14th,2025. Aquatech Amsterdam is the world's lead ## The difference between a soft seal gate valve and a hard seal gate valve [The difference between a soft seal gate valve and a hard seal gate valve](https://www.tws-valve.com/news/the-difference-between-a-soft-seal-gate-valve-and-a-hard-seal-gate-valve/):Ordinary gate valves generally refer to hard-sealed gate valves. This article analyzes in detail the difference between soft-sealed gate valves and or ## What should we do if the butterfly valve leaks? Check out these 5 aspects! [What should we do if the butterfly valve leaks? Check out these 5 aspects!](https://www.tws-valve.com/news/what-should-we-do-if-the-butterfly-valve-leaks-check-out-these-5-aspects-2/):In the daily use of butterfly valves, various failures are often encountered. The leakage of the valve body and bonnet of the butterfly valve is one o ## Standard size of ANSI-Standard check valves [Standard size of ANSI-Standard check valves](https://www.tws-valve.com/news/standard-size-of-ansi-standard-check-valves/):The check valve designed, manufactured, produced and tested according to the American standard is called the American standard check valve, so what is ## Features of rubber-seated gate valves [Features of rubber-seated gate valves](https://www.tws-valve.com/news/features-of-rubber-seated-gate-valves/):For a long time, the general gate valve used in the market generally has water leakage or rust, the use of European high-tech rubber and valve manufac ## The difference between soft and hard seals of valves: [The difference between soft and hard seals of valves:](https://www.tws-valve.com/news/the-difference-between-soft-and-hard-seals-of-valves/):First of all, whether it is a ball valve or a butterfly valve, etc., there are soft and hard seals, take the ball valve as an example, the use of soft ## Reasons for using electric valves and issues to consider [Reasons for using electric valves and issues to consider](https://www.tws-valve.com/news/reasons-for-using-electric-valves-and-issues-to-consider/):In pipeline engineering, the correct selection of electric valves is one of the guarantee conditions to meet the use requirements. If the electric val ## How to solve valve leakage? [How to solve valve leakage?](https://www.tws-valve.com/news/how-to-solve-valve-leakage/):1. Diagnose the cause of the leak   First of all, it is necessary to accurately diagnose the cause of the leak. Leaks can be caused by a variet ## Precautions for the installation of check valves [Precautions for the installation of check valves](https://www.tws-valve.com/news/precautions-for-the-installation-of-check-valves/):Check valves, also known as check valves or check valves, are used to prevent the backflow of media in the pipeline. The foot valve of the suction off ## What is the advantage of butterfly valve? [What is the advantage of butterfly valve?](https://www.tws-valve.com/news/what-is-the-advantage-of-butterfly-valve/):Versatility of the application Butterfly valves are versatile and can handle a wide range of fluids such as water, air, steam, and certain chemicals. ## Why use butterfly valve instead of ball valve? [Why use butterfly valve instead of ball valve?](https://www.tws-valve.com/news/why-use-butterfly-valve-instead-of-ball-valve/):Valves are an integral part of many industries, from drinking water and wastewater treatment to oil and gas, chemical processing, and more. They contr ## What is the purpose of a gate valve? [What is the purpose of a gate valve?](https://www.tws-valve.com/news/what-is-the-purpose-of-a-gate-valve/):Soft seal gate valve is a valve widely used in water supply and drainage, industry, construction and other fields, mainly used to control the flow and ## Gate valve and a stopcock valve [Gate valve and a stopcock valve](https://www.tws-valve.com/news/what-is-the-difference-between-a-gate-valve-and-a-stopcock/):A stopcock valve is [1] a straight-through valve that opens and closes quickly, and is also commonly used for media with suspended particles due to t ## How butterfly valves work? [How butterfly valves work?](https://www.tws-valve.com/news/how-butterfly-valves-work/):Butterfly valve is a kind of valve that uses a disc opening and closing part to reciprocate about 90° to open, close or adjust the flow rate of the m ## What is a butterfly valve? [What is a butterfly valve?](https://www.tws-valve.com/news/what-is-a-butterfly-valve/):The butterfly valve was invented in the United States in the 1930s. It was introduced to Japan in the 1950s and was not widely used in Japan until the ## What are the disadvantages of wafer check valves? [What are the disadvantages of wafer check valves?](https://www.tws-valve.com/news/what-are-the-disadvantages-of-wafer-check-valves/):The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a sprin ## What does a valve do? [What does a valve do?](https://www.tws-valve.com/news/what-does-a-valve-do/):A valve is a pipeline attachment used to open and close pipelines, control the flow direction, regulate and control the parameters (temperature, press ## Do you know what are the commonly used valves in water treatment projects? [Do you know what are the commonly used valves in water treatment projects?](https://www.tws-valve.com/news/do-you-know-what-are-the-commonly-used-valves-in-water-treatment-projects/): The purpose of water treatment is to improve water quality and make it meet certain water quality standards. According to different treatment method ## Valve maintenance [Valve maintenance](https://www.tws-valve.com/news/valve-maintenance/): For the valves in operation, all valve parts should be complete and intact. The bolts on the flange and the bracket are indispensable, and the threa ## Inventory of the application of valves in the field of new energy [Inventory of the application of valves in the field of new energy](https://www.tws-valve.com/news/inventory-of-the-application-of-valves-in-the-field-of-new-energy/):With the increasing problem of global climate change and environmental pollution, the new energy industry has been highly valued by governments around ## Thermal spraying process [Thermal spraying process](https://www.tws-valve.com/news/thermal-spraying-process/): With the non-reading anti-war of thermal spraying technology, more and more new spraying materials and new process technologies continue to appear, ## A small guide for daily maintenance of valves [A small guide for daily maintenance of valves](https://www.tws-valve.com/news/a-small-guide-for-daily-maintenance-of-valves/): Valves are not only widely used in various industries, but also use different environments, and some valves in harsh working environments are prone ## TWS Check Valve and Y-Strainer: Important Components for Fluid Control [TWS Check Valve and Y-Strainer: Important Components for Fluid Control](https://www.tws-valve.com/news/tws-check-valve-and-y-strainer-important-components-for-fluid-control/): In the world of fluid management, valve and filter selection are critical to ensuring system efficiency and reliability. Among the various options a ## TWS Valve will participate in the 18th Indonesia’s largest international water, wastewater and recycling technology event: INDOWATER 2024 Expo. [TWS Valve will participate in the 18th Indonesia’s largest international water, wastewater and recycling technology event: INDOWATER 2024 Expo.](https://www.tws-valve.com/news/tws-valve-will-participate-in-the-18th-indonesias-largest-international-water-wastewater-and-recycling-technology-event-indowater-2024-expo/):TWS Valve, a leading manufacturer in the valve industry, is pleased to announce its participation in the 18th edition of INDOWATER 2024 Expo, Indonesi ## (TWS) brand marketing strategy. [(TWS) brand marketing strategy.](https://www.tws-valve.com/news/tws-brand-marketing-strategy/):  **Brand Positioning:** TWS is a leading manufacturer of high-quality industrial valves, specializing in soft-sealed butterfly valves, flanged ## Flow rate gauges commonly used for various media [Flow rate gauges commonly used for various media](https://www.tws-valve.com/news/flow-rate-gauges-commonly-used-for-various-media/):The flow rate and velocity of the valve mainly depend on the diameter of the valve, and are also related to the resistance of the structure of the val ## A brief introduction to the clamp PTFE seat butterfly valve D71FP-16Q [A brief introduction to the clamp PTFE seat butterfly valve D71FP-16Q](https://www.tws-valve.com/news/a-brief-introduction-to-the-clamp-ptfe-seat-butterfly-valve-d71fp-16q/):The soft seal butterfly valve is suitable for regulating the flow and intercepting the medium on the water supply and drainage and gas pipelines of fo ## TWS will be at Jakarta, Indonesia for the Indo Water expo at Indonesia Water Show [TWS will be at Jakarta, Indonesia for the Indo Water expo at Indonesia Water Show](https://www.tws-valve.com/news/tws-will-be-at-jakarta-indonesia-for-the-indo-water-expo-at-indonesia-water-show/):TWS VALVE, a leading supplier of high quality valve solutions, is pleased to announce its participation in the upcoming Indonesia Water Show. The ev ## What are the selection conditions for electric butterfly valve and pneumatic butterfly valve? [What are the selection conditions for electric butterfly valve and pneumatic butterfly valve?](https://www.tws-valve.com/news/what-are-the-selection-conditions-for-electric-butterfly-valve-and-pneumatic-butterfly-valve-2/):Advantages and uses of electric butterfly valves   Electric butterfly valve is a very common device for pipeline flow regulation, which has a w ## Inspection items for dual plate type check valves [Inspection items for dual plate type check valves](https://www.tws-valve.com/news/inspection-items-for-dual-plate-type-check-valves/):      Inspection items, technical requriements and inspection methods for wafer dual plate check valves   ## What are the selection conditions for electric butterfly valve and pneumatic butterfly valve? [What are the selection conditions for electric butterfly valve and pneumatic butterfly valve?](https://www.tws-valve.com/news/what-are-the-selection-conditions-for-electric-butterfly-valve-and-pneumatic-butterfly-valve/):Advantages and uses of electric butterfly valves   Electric butterfly valve is a very common device for pipeline flow regulation, which has a w ## Applications of butterfly valves and gate valves under different working conditions [Applications of butterfly valves and gate valves under different working conditions](https://www.tws-valve.com/news/applications-of-butterfly-valves-and-gate-valves-under-different-working-conditions/):Gate valves and butterfly valves are used as switches to regulate the flow rate in pipeline use. Of course, there are still methods in the selection p ## Butterfly valve knowledge discussion [Butterfly valve knowledge discussion](https://www.tws-valve.com/news/butterfly-valve-knowledge-discussion/):In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was ## What kind of valves are there would be applied for waste water? [What kind of valves are there would be applied for waste water? ](https://www.tws-valve.com/news/what-kind-of-valves-are-there-would-be-applied-for-waste-water/):In the world of wastewater management, choosing the right valve is critical to ensuring efficient and reliable operation of your system. Wastewater tr ## TWS air release valve: the perfect solution for water projects [TWS air release valve: the perfect solution for water projects](https://www.tws-valve.com/news/tws-air-release-valve-the-perfect-solution-for-water-projects/):TWS air release valve: the perfect solution for water projects For water conservancy projects, it is crucial to ensure efficient and smooth operation ## How to choose a butterfly valve supplier [How to choose a butterfly valve supplier](https://www.tws-valve.com/news/how-to-choose-a-butterfly-valve-supplier/):When selecting a butterfly valve supplier, one must consider the specific requirements of the project and the quality of the products offered. With a ## Butterfly valves and gate valves for different working conditions [Butterfly valves and gate valves for different working conditions](https://www.tws-valve.com/news/butterfly-valves-and-gate-valves-for-different-working-conditions/):Gate valves and butterfly valves in the pipeline are used to play the role of switching, regulating flow. Of course, there is still a method in the se ## TWS Valve--Qinhuangdao Trip [TWS Valve--Qinhuangdao Trip](https://www.tws-valve.com/news/tws-valve-qinhuangdao-trip/):"Golden beach, blue sea, on the coast, we enjoy the sand and water. Into the mountains and rivers, dancing with nature. Travel group building, find th ## Butterfly valve from TWS Valve [Butterfly valve from TWS Valve](https://www.tws-valve.com/news/butterfly-valve-from-tws-valve/):Butterfly valves are important components in a variety of industrial applications, providing reliable, efficient flow control. When it comes to choosi ## Introducing TWS Valve’s high-quality gate valves [Introducing TWS Valve’s high-quality gate valves](https://www.tws-valve.com/news/introducing-tws-valves-high-quality-gate-valves/):Does your industrial or commercial application require a reliable and durable gate valve? Look no further than TWS Valve, we specialize in providing b ## Butterfly valve manufacturers to explain the requirements of the installation of butterfly valves [Butterfly valve manufacturers to explain the requirements of the installation of butterfly valves](https://www.tws-valve.com/news/butterfly-valve-manufacturers-to-explain-the-requirements-of-the-installation-of-butterfly-valves/):Butterfly valve manufacturer said daily installation and use of electric butterfly valves, must first look at the media efficiency and media quality, ## Valve products for the green energy market [Valve products for the green energy market](https://www.tws-valve.com/news/valve-products-for-the-green-energy-market/):1. Green Energy Worldwide According to the International Energy Agency (IEA), commercial volume production of clean energy will triple by 2030. The fa ## Butterfly Valve with PTFE Seat and PTFE Lined Butterfly Valve [Butterfly Valve with PTFE Seat and PTFE Lined Butterfly Valve](https://www.tws-valve.com/news/butterfly-valve-with-ptfe-seat-and-ptfe-lined-butterfly-valve/):PTFE seat butterfly valve, also known as fluoroplastic lining corrosion-resistant valves, is a PTFE resin (or profiles processed) molded (or inlaid) m ## Characteristics and Principle of balance Valves [Characteristics and Principle of balance Valves](https://www.tws-valve.com/news/characteristics-and-principle-of-counterbalance-valves/):Balance valve is a special function of the valve, it has a good flow characteristics, valve opening degree indication, opening degree locking device a ## What Are The Most Widely Used Areas Of The Valve [What Are The Most Widely Used Areas Of The Valve](https://www.tws-valve.com/news/what-are-the-most-widely-used-areas-of-the-valve/):Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water ## Waters Middle Management Effective Execution Training [Waters Middle Management Effective Execution Training](https://www.tws-valve.com/news/waters-middle-management-effective-execution-training/):In order to comprehensively improve the company's middle management work execution, results-oriented, in-depth study of efficient execution system, im ## Installation environment and maintenance precautions of the butterfly valve [Installation environment and maintenance precautions of the butterfly valve](https://www.tws-valve.com/news/installation-environment-and-maintenance-precautions-of-the-butterfly-valve/):Installation environment Installation environment: butterfly valve can be used whether indoor and open air, but in the corrosive medium and easy to r ## Valve selection principles and valve selection steps [Valve selection principles and valve selection steps](https://www.tws-valve.com/news/valve-selection-principles-and-valve-selection-steps-3/):Valve selection principle (1)Safety and reliability. Petrochemical, power station, metallurgy and other industries production requirements for continu ## Maintenance method of industrial valves [Maintenance method of industrial valves](https://www.tws-valve.com/news/maintenance-method-of-industrial-valves/):Industrial valve is an important accessory of the industrial pipeline control medium flow, which is widely used in petroleum, chemical industry, metal ## Valve castings are prone to produce defects [Valve castings are prone to produce defects](https://www.tws-valve.com/news/valve-castings-are-prone-to-produce-defects/):1. The stomata This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smoo ## Check Valve Introduction: A Comprehensive Guide to Choosing the Right Type [Check Valve Introduction: A Comprehensive Guide to Choosing the Right Type](https://www.tws-valve.com/news/check-valve-introduction-a-comprehensive-guide-to-choosing-the-right-type/):When it comes to ensuring smooth and efficient operation of pipelines and systems, check valves play a vital role in preventing backflow and maintaini ## Introducing the excellent quality of TWS Valve lug butterfly valve [Introducing the excellent quality of TWS Valve lug butterfly valve](https://www.tws-valve.com/news/introducing-the-excellent-quality-of-tws-valve-lug-butterfly-valve/):Quality is crucial when selecting the right valve for an industrial or commercial application. With over 20 years of experience in valve production an ## What are the advantages and disadvantages of butterfly valve and the key points of installation and maintenance? [What are the advantages and disadvantages of butterfly valve and the key points of installation and maintenance?](https://www.tws-valve.com/news/what-are-the-advantages-and-disadvantages-of-butterfly-valve-and-the-key-points-of-installation-and-maintenance/):Butterfly valve refers to the closing part (valve disc or butterfly plate) as a disc, around the valve shaft rotation to reach the opening and closing ## What defects are prone to valve castings? [What defects are prone to valve castings?](https://www.tws-valve.com/news/what-defects-are-prone-to-valve-castings/):1. The stomata This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smoo ## U Section Butterfly Valve from TWS Valve [U Section Butterfly Valve from TWS Valve](https://www.tws-valve.com/news/u-section-butterfly-valve-from-tws-valve/):U-shaped butterfly valves are a popular choice in the industrial sector due to their unique design and functionality. TWS Valve is a leading manufactu ## Gate Valve from TWS Valve [Gate Valve from TWS Valve](https://www.tws-valve.com/news/gate-valve-from-tws-valve/):Gate valves are an important part of various industries, providing a means of controlling the flow of liquids and gases. Among the different types of ## How should we choose the flange butterfly valve? [How should we choose the flange butterfly valve?](https://www.tws-valve.com/news/how-should-we-choose-the-flange-butterfly-valve/):Flange butterfly valve is mainly used in industrial production pipeline, its main role is to cut off the circulation of medium in the pipeline, or adj ## Preparation of the work required for the valve assembly from TWS Valve [Preparation of the work required for the valve assembly from TWS Valve](https://www.tws-valve.com/news/preparation-of-the-work-required-for-the-valve-assembly-from-tws-valve/):Valve assembly is an important stage in the production process. Valve assembly is the process of combining the various parts and components of the val ## Common assembly methods for valves are shared [Common assembly methods for valves are shared](https://www.tws-valve.com/news/common-assembly-methods-for-valves-are-shared/):Valve assembly is the final stage in the fabrication process. Valve assembly is based on the delineation of the technical premise, the parts of the va ## Why Choose TWS Valve Check Valves [Why Choose TWS Valve Check Valves](https://www.tws-valve.com/news/why-choose-tws-valve-check-valves/):Choosing the right type of valve is crucial when it comes to ensuring your piping system operates smoothly and efficiently. Among the various options ## Hot Selling Gate Valve from TWS Valve [Hot Selling Gate Valve from TWS Valve](https://www.tws-valve.com/news/hot-selling-gate-valve-from-tws-valve/):Looking for a high-quality gate valve at a great price? Look no further than TWS Valve, a specialist valve manufacturer offering a variety of products ## Introduction to double flange butterfly valve from TWS Valve [Introduction to double flange butterfly valve from TWS Valve](https://www.tws-valve.com/news/introduction-to-double-flange-butterfly-valve-from-tws-valve/):TWS Valve mainly produce rubber seated butterfly valve, such as wafer butterfly valve, lug butterfly valve, flange butterfly valve. Besides, gate val ## Common fault handling method of pneumatic valve [Common fault handling method of pneumatic valve](https://www.tws-valve.com/news/common-fault-handling-method-of-pneumatic-valve/):1 Treatment method for increasing pneumatic valve leakage If the case of the valve spool is worn to reduce the leakage of the valve, it is necessary ## Common failure of the pneumatic valves [Common failure of the pneumatic valves](https://www.tws-valve.com/news/common-failure-of-the-pneumatic-valves/):Pneumatic valve mainly refers to the cylinder playing the role of the actuator, through the compressed air to form a power source to drive the valve, ## Valve leakage causes and solutions [Valve leakage causes and solutions](https://www.tws-valve.com/news/valve-leakage-causes-and-solutions/):When in use when the valve leakage to do? What is the main reason? First, the closure of the leakage produced by falling off Reason. 1, poor opera ## 6 Easy Misconceptions About Valve Installation [6 Easy Misconceptions About Valve Installation](https://www.tws-valve.com/news/6-easy-misconceptions-about-valve-installation/):With the rapid pace of technology and innovation, valuable information that should be passed on to industry professionals is often glossed over today. ## Check valve from TWS Valve [Check valve from TWS Valve](https://www.tws-valve.com/news/check-valve-from-tws-valve-2/):TWS Valve is a leading supplier of high quality valves, offering a wide range of products including resilient butterfly valves, gate valves, ball valv ## Good quality gate valve from TWS Valve [Good quality gate valve from TWS Valve](https://www.tws-valve.com/news/good-quality-gate-valve-from-tws-valve/):With over 20 years of experience in manufacturing and exporting valves, TWS Valve has become a leading manufacturer in the industry. Among its flagshi ## Butterfly valve in the soft seal class structure and performance introduction [Butterfly valve in the soft seal class structure and performance introduction](https://www.tws-valve.com/news/butterfly-valve-in-the-soft-seal-class-structure-and-performance-introduction/):Butterfly valve is widely used in urban construction, petrochemical, metallurgy, electric power and other industries in the medium pipeline to do cut ## Detailed explanation of the correct way to operate the valve [Detailed explanation of the correct way to operate the valve](https://www.tws-valve.com/news/detailed-explanation-of-the-correct-way-to-operate-the-valve/):Preparation before operation   Before operating the valve, you should read the operating instructions carefully. Before operation, you must be clea ## Double eccentric butterfly valve from TWS Valve [Double eccentric butterfly valve from TWS Valve](https://www.tws-valve.com/news/double-eccentric-butterfly-valve-from-tws-valve/):In the ever-evolving water industry, the need for efficient and reliable flow control solutions has never been greater. This is where the double eccen ## TWS Valve will attend IE EXPO China 2024 and look forward to meeting you! [TWS Valve will attend IE EXPO China 2024 and look forward to meeting you!](https://www.tws-valve.com/news/tws-valve-will-attend-ie-expo-china-2024-and-look-forward-to-meeting-you/):TWS Valve is pleased to announce its participation in IE Expo China 2024, one of Asia's flagship specialized expositions in the field of ecological ## The difference between soft sealed and hard sealed butterfly valve [The difference between soft sealed and hard sealed butterfly valve](https://www.tws-valve.com/news/the-difference-between-soft-sealed-and-hard-sealed-butterfly-valve/):Hard sealed butterfly valve: Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This ## The difference between Wafer butterfly valve and Flange butterfly valve. [The difference between Wafer butterfly valve and Flange butterfly valve.](https://www.tws-valve.com/news/the-difference-between-wafer-butterfly-valve-and-flange-butterfly-valve/):The Wafer Butterfly Valve and Flange Butterfly  Valve are two connections. In terms of price, the Wafer type is relatively cheaper, the price is roug ## Introduction to dual plate check valve and rubber seat swing check valve [Introduction to dual plate check valve and rubber seat swing check valve](https://www.tws-valve.com/news/introduction-to-dual-plate-check-valve-and-rubber-seat-swing-check-valve/):Dual plate check valves and rubber-sealed swing check valves are two important components in the field of fluid control and regulation. These valves p ## The production process of wafer butterfly valve from TWS Valve Part TWO [The production process of wafer butterfly valve from TWS Valve Part TWO](https://www.tws-valve.com/news/the-production-process-of-wafer-butterfly-valve-from-tws-valve-part-two/):Today, let's continue to introduce the production process of wafer butterfly valve part two. The second step is the Assembly of the valve. : 1. On t ## The characteristic of butterfly valves from TWS Valve [The characteristic of butterfly valves from TWS Valve](https://www.tws-valve.com/news/the-characteristic-of-butterfly-valves-from-tws-valve/):Butterfly valves are important components in all walks of life, and Butterfly Valve will surely take the market by storm. Designed for superior perfor ## The production process of wafer butterfly valve from TWS Valve Part One [The production process of wafer butterfly valve from TWS Valve Part One](https://www.tws-valve.com/news/the-production-process-of-wafer-butterfly-valve-from-tws-valve-part-one/):Today, this article mainly shares with you the production process of the wafer concentric butterfly valve Part One. The step one is preparing and In ## Four taboos for valve installation [Four taboos for valve installation](https://www.tws-valve.com/news/four-taboos-for-valve-installation/):1. Hydrstatic test at negative temperature during construction in winter. Consequences: because the tube freezes quickly during the hydraulic test, t ## Selection conditions of electric and pneumatic butterfly valve [Selection conditions of electric and pneumatic butterfly valve](https://www.tws-valve.com/news/selection-conditions-of-electric-and-pneumatic-butterfly-valve/):The advantages and uses of the electric butterfly valve have： Electric butterfly valve is a very common pipeline flow regulation device, which is w ## Introduce the use and characteristics of the air release valve [Introduce the use and characteristics of the air release valve](https://www.tws-valve.com/news/introduce-the-use-and-characteristics-of-the-air-release-valve/):We are pleased to launch our latest product, the Air Release Valve, designed to revolutionize the way air is released in pipes and ensure optimal effi ## U-shaped butterfly valve from TWS Valve [U-shaped butterfly valve from TWS Valve](https://www.tws-valve.com/news/u-shaped-butterfly-valve-from-tws-valve/):U-shaped butterfly valve is a special type of valve commonly used in various industries to control and regulate the flow of fluids. It belongs to the ## Introduction to non-rising stem gate valve and rising stem gate valve from TWS Valve [Introduction to non-rising stem gate valve and rising stem gate valve from TWS Valve](https://www.tws-valve.com/news/introduction-to-non-rising-stem-gate-valve-and-rising-stem-gate-valve-from-tws-valve/):When controlling and regulating the flow of liquids and gases, the type of valve used plays a vital role in ensuring efficient operation. Two commonly ## What should be do during valve installation - Final [What should be do during valve installation - Final](https://www.tws-valve.com/news/what-should-be-do-during-valve-installation-final/):Today we continue to talk about valve installation precautions:   Taboo 12 The specifications and models of the installed valve do not meet the ## Introduction to Lug Concentric Butterfly Valves [Introduction to Lug Concentric Butterfly Valves](https://www.tws-valve.com/news/introduction-to-lug-concentric-butterfly-valves/):When selecting the correct type of butterfly valve for your industrial application, it is important to consider the specific requirements of the syste ## What should be do during valve installation - part two [What should be do during valve installation - part two](https://www.tws-valve.com/news/what-should-be-do-during-valve-installation-part-two/):Today we continue to talk about valve installation precautions: Taboo 7 When pipe welding, the wrong mouth after the pipe is not on a center line, no ## What should be do during valve installation- Part One [What should be do during valve installation- Part One](https://www.tws-valve.com/news/what-should-be-do-during-valve-installation-part-one/):Valve is the most common equipment in chemical enterprises, seemingly easy to install valves, but if not in accordance with the relevant technology, i ## TWS Butterfly valves have a wide range of uses [TWS Butterfly valves have a wide range of uses](https://www.tws-valve.com/news/tws-butterfly-valves-have-a-wide-range-of-uses/):Butterfly valve is a kind of valve, is installed on a pipe, used to control the circulation of medium in a pipe. Butterfly valve is characterized by a ## The components and advantages of lug butterfly valves [The components and advantages of lug butterfly valves](https://www.tws-valve.com/news/the-components-and-advantages-of-lug-butterfly-valves/):The lug butterfly valve is a quarter-turn valve used to control the flow of fluids. They are often used in industrial applications that require tight ## Introducing dual plate check valve from TWS Valve [Introducing dual plate check valve from TWS Valve](https://www.tws-valve.com/news/introducing-dual-plate-check-valve-from-tws-valve/):Dual plate check valve, also known as double-door check valve, is a check valve widely used in various industries to prevent the backflow of liquid or ## Gate Valves: A Versatile Choice for Industrial Applications [Gate Valves: A Versatile Choice for Industrial Applications](https://www.tws-valve.com/news/gate-valves-a-versatile-choice-for-industrial-applications/):Gate valves are an important component in a variety of industrial processes, providing a means of controlling the flow of liquids and gases. They are ## Rubber seated butterfly valve from TWS Valve [Rubber seated butterfly valve from TWS Valve](https://www.tws-valve.com/news/rubber-seated-butterfly-valve-from-tws-valve/):Rubber seated butterfly valve is a popular and widely used type of butterfly valve in various industries. It is known for its reliable performance an ## The features of double flanged eccentric butterfly valve [The features of double flanged eccentric butterfly valve](https://www.tws-valve.com/news/the-features-of-double-flanged-eccentric-butterfly-valve/):Are you looking for reliable and high quality valves for your industrial or commercial application? Double flange eccentric butterfly valve is your be ## TWS 20TH ANNIVERSARY, WE WILL GET BETTER & BETTER [TWS 20TH ANNIVERSARY, WE WILL GET BETTER & BETTER](https://www.tws-valve.com/news/tws-20th-anniversary-we-will-get-better-better/):TWS Valve celebrates a major milestone this year - its 20th anniversary! Over the past two decades, TWS Valve has become a leading valve manufacturing ## What are the advantages and disadvantages of the midline butterfly valve? [What are the advantages and disadvantages of the midline butterfly valve?](https://www.tws-valve.com/news/what-are-the-advantages-and-disadvantages-of-the-midline-butterfly-valve/):The center line butterfly valve adopts the center line sealing structure, and the butterfly plate sealing center line of the butterfly valve is consis ## What is the difference between clip butterfly valve and flange butterfly valve? [What is the difference between clip butterfly valve and flange butterfly valve?](https://www.tws-valve.com/news/what-is-the-difference-between-clip-butterfly-valve-and-flange-butterfly-valve/):Wafer butterfly valve and Double Flange butterfly valve are two common types of butterfly valves. Both types of valves are rubber seated butterfly val ## Flange Connection NRS/ Rising Stem Gate Valve From TWS Valve [Flange Connection NRS/ Rising Stem Gate Valve From TWS Valve](https://www.tws-valve.com/news/flange-connection-nrs-rising-stem-gate-valve-from-tws-valve/):When choosing a reliable, efficient flow control solution for industrial or municipal applications, rubber seated gate valves are a popular choice. Al ## The features of rubber seated butterfly valve [The features of rubber seated butterfly valve](https://www.tws-valve.com/news/the-features-of-rubber-seated-butterfly-valve/):Rubber seated butterfly valves are becoming increasingly popular in industrial and commercial areas due to their numerous features and benefits. Also ## Do you understand the six taboos of valve installation? [Do you understand the six taboos of valve installation?](https://www.tws-valve.com/news/do-you-understand-the-six-taboos-of-valve-installation/):Valve is the most common equipment in chemical enterprises. It seems easy to install valves, but if not following the relevant technology, it will cau ## Backflow Preventer Valve: Ultimate Protection for Your Water System [Backflow Preventer Valve: Ultimate Protection for Your Water System](https://www.tws-valve.com/news/backflow-preventer-valve-ultimate-protection-for-your-water-system/):Backflow preventer valves are an important component in any water system and are designed to prevent the dangerous and potentially harmful effects of ## Air release valves: ensuring fluid system efficiency and reliability [Air release valves: ensuring fluid system efficiency and reliability](https://www.tws-valve.com/news/air-release-valves-ensuring-fluid-system-efficiency-and-reliability/):In any fluid system, efficient release of air is critical to maintaining performance and preventing damage. This is where the exhaust valve comes into ## Hot selling high quality dual plate check valve [Hot selling high quality dual plate check valve](https://www.tws-valve.com/news/hot-selling-high-quality-dual-plate-check-valve/):In today's fast-paced industrial world, the need for reliable, efficient equipment is more important than ever. This is where the hot-selling, high-qu ## Flanged concentric butterfly valve: a must-have for efficient water treatment [Flanged concentric butterfly valve: a must-have for efficient water treatment](https://www.tws-valve.com/news/flanged-concentric-butterfly-valve-a-must-have-for-efficient-water-treatment/):In the field of industrial valves, flanged concentric butterfly valves occupy an important position due to their versatility and efficiency. This arti ## Why Choose TWS Valve Backflow Preventer [Why Choose TWS Valve Backflow Preventer](https://www.tws-valve.com/news/why-choose-tws-valve-backflow-preventer/):Are you concerned about the safety and integrity of your plumbing system? Do you want to ensure your drinking water supply is free from contamination? ## TWS Valve Rubber-Seated Butterfly Valve [TWS Valve Rubber-Seated Butterfly Valve](https://www.tws-valve.com/news/tws-valve-rubber-seated-butterfly-valve/):Butterfly valves are valves used to regulate or isolate the flow of liquid or gas in a piping system. Among various types of butterfly valves on the m ## TWS valves participate in the 2023 Dubai WETEX Valve Exhibition [TWS valves participate in the 2023 Dubai WETEX Valve Exhibition](https://www.tws-valve.com/news/tws-valves-participate-in-the-2023-dubai-wetex-valve-exhibition/):TWS Valve, a leading manufacturer and supplier of high quality valves, is proud to announce its participation in the WETEX Dubai 2023. As a major play ## Working principle for the dual plate check valve [Working principle for the dual plate check valve](https://www.tws-valve.com/news/working-principle-for-the-dual-plate-check-valve/):Dual plate check valve H77X butterfly plate is two semicircles, and the spring forced reset, sealing surface can be body stacking welding wear-resista ## Advantages and maintenance of pneumatic butterfly valves [Advantages and maintenance of pneumatic butterfly valves](https://www.tws-valve.com/news/advantages-and-maintenance-of-pneumatic-butterfly-valves/):Pneumatic butterfly valve plays an important role in our life, is to use the circular butterfly plate rotating with the valve stem to do the opening a ## What is the difference between the globe valve and the gate valve? [What is the difference between the globe valve and the gate valve?](https://www.tws-valve.com/news/what-is-the-difference-between-the-globe-valve-and-the-gate-valve/):The globe valve and the gate valve have some similarities in appearance, and both of them have the function of cutting off in the pipeline, so people ## Butterfly valves have a wide range of applications！ [Butterfly valves have a wide range of applications！](https://www.tws-valve.com/news/butterfly-valves-have-a-wide-range-of-applications%ef%bc%81/):Butterfly valve is a kind of valve, is installed on a pipe, used to control the circulation of medium in a pipe. Butterfly valve is characterized by s ## The classification and working principle of the butterfly valve [The classification and working principle of the butterfly valve](https://www.tws-valve.com/news/the-classification-and-working-principle-of-the-butterfly-valve/):There are many kinds of butterfly valves, and there are many classification methods. 1. Classification by structural form (1) concentric butterfly va ## Valve installation is easy to appear 6 big mistakes [Valve installation is easy to appear 6 big mistakes](https://www.tws-valve.com/news/valve-installation-is-easy-to-appear-9-big-mistakes/):With the rapid development of technology and innovation, the valuable information that should be delivered to industry professionals is often obscured ## Butterfly valves have a wide range of uses, do you know all of these applications? [Butterfly valves have a wide range of uses, do you know all of these applications?](https://www.tws-valve.com/news/butterfly-valves-have-a-wide-range-of-uses-do-you-know-all-of-these-applications/):Resilient butterfly valve is a kind of valve, is installed on a pipe, used to control the circulation of medium in a pipe. Butterfly valve is charact ## Several quick solutions to the poor sealing performance of valves [Several quick solutions to the poor sealing performance of valves](https://www.tws-valve.com/news/several-quick-solutions-to-the-poor-sealing-performance-of-valves/):The sealing performance of the valve is one of the main indexes to evaluate the valve quality. The sealing performance of the valve mainly includes tw ## TWS Valve Company to showcase water equipment at Emirates Water Exhibition in Dubai [TWS Valve Company to showcase water equipment at Emirates Water Exhibition in Dubai](https://www.tws-valve.com/news/tws-valve-company-to-showcase-water-equipment-at-emirates-water-exhibition-in-dubai/):TWS Valve Company, a leading manufacturer of high quality water valves and equipment, is pleased to announce its participation in the upcoming Emirate ## Valve selection principles and valve selection steps [Valve selection principles and valve selection steps](https://www.tws-valve.com/news/valve-selection-principles-and-valve-selection-steps-2/):Valve selection principle The selected valve should meet the following basic principles. (1) Safety and reliability of petrochemical, power station, m ## Practical knowledge of valves [Practical knowledge of valves](https://www.tws-valve.com/news/practical-knowledge-of-valves/):Valve foundation 1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN 2. Basic function of the valve: cut off the con ## Valve selection principles and valve selection steps [Valve selection principles and valve selection steps](https://www.tws-valve.com/news/valve-selection-principles-and-valve-selection-steps/):1. Valve selection principle: The selected valve should meet the following basic principles. (1) Safety and reliability of petrochemical, power stati ## Ball valve product information introduction [Ball valve product information introduction](https://www.tws-valve.com/news/ball-valve-product-information-introduction/):Ball valve is a common fluid control equipment, is widely used in petroleum, chemical, water treatment, food and other industries. This paper will int ## Cause analysis of common valve faults [Cause analysis of common valve faults](https://www.tws-valve.com/news/cause-analysis-of-common-valve-faults/):(1) The valve does not operate. The fault phenomenon and its causes are as follows: 1. No source of gas.① The air source is not open, ② due to the ## Double flange butterfly valve: Features and applications [Double flange butterfly valve: Features and applications](https://www.tws-valve.com/news/double-flange-butterfly-valve-features-and-applications/):Double flange butterfly valve, as a key element in the industrial field, plays an important role in various fluid systems. Its simple structure, light ## Wafer Type Butterfly Valve From TWS Valve [Wafer Type Butterfly Valve From TWS Valve](https://www.tws-valve.com/news/wafer-type-butterfly-valve-from-tws-valve/):The butterfly valve is a valve widely used in industrial and pipe systems. It has the advantages of simple structure, easy operation, good sealing abi ## Valve Classification [Valve Classification](https://www.tws-valve.com/news/valve-classification/):TWS Valve is a professional valve manufacturer. In the field of valves has been developed for more than 20 years. Today, TWS Valve would like to brief ## Flanged Type Static Balancing Valve [Flanged Type Static Balancing Valve](https://www.tws-valve.com/news/flanged-type-static-balancing-valve/):Flanged Type Static Balancing Valve Flange static balance valve is a major hydraulic balance product used by hVAC water system to ensure high-precisio ## How does the safety valve adjust the pressure? [How does the safety valve adjust the pressure?](https://www.tws-valve.com/news/how-does-the-safety-valve-adjust-the-pressure/):How does the safety valve adjust the pressure? Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd) Tianjin，CHINA 21th，August，2023 Web: ## Gate Valve [Gate Valve](https://www.tws-valve.com/news/gate-valve/):Gate valve is a kind of valve to control the fluid, it is widely used in the industry. The gate valve controls the flow of fluid by controlling the op ## Soft Seal Butterfly Valve From TWS Valve [Soft Seal Butterfly Valve From TWS Valve](https://www.tws-valve.com/news/soft-seal-butterfly-valve-from-tws-valve/):Soft seal butterfly valve is the butterfly valve mainly produced by TWS Valve, including Wafer Type butterfly valve, Lug Type butterfly valve, U-Type ## Check Valve From TWS VALVE [Check Valve From TWS VALVE](https://www.tws-valve.com/news/check-valve-from-tws-valve/):The check valve is an important control element used to prevent fluid backflow. It is usually installed at the outlet of the water pipe and effectivel ## Basics of TWS Valves [Basics of TWS Valves](https://www.tws-valve.com/news/basics-of-tws-valves/):TWS Valves are a fluid control device and are widely used in various industrial and home applications. Soft sealing valve is a new type of valve, it ## Air Release Valve From TWS Valve [Air Release Valve From TWS Valve](https://www.tws-valve.com/news/air-release-valve-from-tws-valve/):TWS Air Release Valves have been very popular. The air release valve adopts advanced technology, has the characteristics of rapid exhaust and good sta ## Valve Flow Characteristics [Valve Flow Characteristics](https://www.tws-valve.com/news/valve-flow-characteristics/):Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd) Tianjin，CHINA 14th，August，2023 Web:www.water-sealvalve.com Valve flow characteris ## Liquid hydrogen valves from an industry perspective [Liquid hydrogen valves from an industry perspective](https://www.tws-valve.com/news/liquid-hydrogen-valves-from-an-industry-perspective/):Liquid hydrogen has certain advantages in storage and transportation. Compared to hydrogen, liquid hydrogen (LH2) has a higher density and requires lo ## TWS Y-Strainer [TWS Y-Strainer](https://www.tws-valve.com/news/tws-y-strainer/):Do you need reliable and high-quality valves for your water system? Tianjin Tanggu Water Seal Valve Co., Ltd. is a famous valve manufacturer in Tianji ## The Flow Characteristics OF The Regulating Valve [The Flow Characteristics OF The Regulating Valve](https://www.tws-valve.com/news/the-flow-characteristics-of-the-regulating-valve/):The flow characteristics of the regulating valve are mainly four kinds of flow characteristics such as linear percentage fast opening and parabola. Wh ## Multipurpose Butterfly Valves- Understanding Their Functions and Applications [Multipurpose Butterfly Valves- Understanding Their Functions and Applications](https://www.tws-valve.com/news/multipurpose-butterfly-valves-understanding-their-functions-and-applications/):Introduction From facilitating smooth flow control in various industries to applications in residential plumbing systems, butterfly valves have becom ## TWS Concentric Butterfly Valve [TWS Concentric Butterfly Val