DEFINING NEW STANDARDS IN VALVES FOR WATER
Main Products
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Reasonable Price 28 Inch DN700 GGG40 Double Fla...
Quick Details Place of Origin: Tianjin, China Brand Name: TWS Model Number: D341X Application: Industry Material: Casting Temperature of Media: Normal Temperature Pressure: Low Pressure Power: Manual Media: Water Port Size: DN50-DN2200 Structure: BUTTERFLY Standard or Nonstandard: Standard Name: 28 Inch DN700 GGG40 Double Flange Butterfly Valves Bi-Directional Pin: without pin Coating: epoxy resin & Nylon Actuator: worm gear ...
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DN200 Carbon Steel Chemical Butterfly Valve Wit...
Quick Details Type: Butterfly Valves Place of Origin: Tianjin, China Brand Name: TWS Model Number: Series Application: General Temperature of Media: Medium Temperature Power: Manual Media: Water Port Size: DN40~DN600 Structure: BUTTERFLY Standard or Nonstandard: Standard Color: RAL5015 RAL5017 RAL5005 OEM: Valid Certificates: ISO CE Size: DN200 Seal Material: PTFE Function: Control Water End Connection: Flange Operation...
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DN200 Lug butterfly valve with pinless structur...
Quick Details Warranty: 18 months Type: Temperature Regulating Valves, Butterfly Valves, Constant Flow Rate Valves, Water Regulating Valves, Lug butterfly valve Customized support: OEM, ODM, OBM Place of Origin: Tianjin, China Brand Name: TWS Model Number: D37A1X3-10 Application: General Temperature of Media: Medium Temperature, Normal Temperature Power: Manual Media: Water Port Size: DN200 Structure: BUTTERFLY Product name: Lug butterfly val...
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RH Series Rubber seated swing check valve Ducti...
Description: RH Series Rubber seated swing check valve is simple, durable and exhibits improved design features over that of traditional metal-seated swing check valves. The disc and shaft are fully encapsulated with EPDM rubber to create the valve’s only moving part Characteristic: 1. Small in size&light in weight and easy maintenance. It can be mounted wherever needed. 2. Simple, compact structure, quick 90 degree on-off operation 3. Disc has two-way bearing, perfect seal, without leaka...
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DN300 Carbon steel gate valve rising stem PN16 ...
Quick Details Type: Gate Valves Place of Origin: Tianjin, China Brand Name: TWS Model Number: Series Application: General Temperature of Media: Medium Temperature Power: Manual Media: Water Port Size: DN40-DN600 Structure: Gate Standard or Nonstandard: Standard Color: RAL5015 RAL5017 RAL5005 OEM: Valid Certificates: ISO CE Body material: WCB Seal Material: 13CR Connection type: RF Flanged Pressure: 10/16/25/40/80/100 Fu...
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Ductile Iron Material Blue Color Double Eccentr...
Quick Details Warranty: 1 year Type: Water Heater Service Valves, Butterfly Valves Customized support: OEM Place of Origin: Tianjin, China Brand Name: TWS Model Number: Butterfly Valve Application: General Temperature of Media: Normal Temperature Power: WORM GEAR Media: Water Port Size: Standard Structure: BUTTERFLY Standard or Nonstandard: Standard Name: Double Eccentric Flange Butterfly Valve Size: DN100-DN2600 PN: 1.0Mpa, 1.6Mp...
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DN200 Ductile Iron Lug Butterfly Valve With C95...
Essential details Warranty: 1 year Type: Butterfly Valves Customized support: OEM Place of Origin: Tianjin, China Brand Name: TWS Valve Model Number: D37L1X4-150LBQB2 Application: General Temperature of Media: Normal Temperature Power: Manual Media: Water Port Size: DN200 Structure: BUTTERFLY Product name: Lug butterfly valve Size: DN200 Pressure: PN16 Body material: Ductile Iron Disc material: C95400 Seat material: Neopre...
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Hydraulic hammer check valve DN700 made in China
Essential details Warranty: 2 years Type: Metal Check Valves Customized support: OEM, ODM, OBM, Software reengineering Place of Origin: Tianjin, China Brand Name: TWS Application: General Temperature of Media: Medium Temperature Power: Hydraulic Media: Water Port Size: DN700 Structure: Check Product name: Hydraulic check valve Body material: DI Disc material: DI Seal Material: EPDM or NBR Pressure: PN10 Connection: Flange Ends...
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Reasonable Price Wafer Connection Ductile Iron/...
Introducing the efficient and versatile wafer butterfly valve – crafted with precision engineering and innovative design, this valve is sure to revolutionize your operations and increase system efficiency. TWS Valve mainly provide rubber seated butterfly valve. Wafer butterfly valve is also one of them. Designed with durability in mind, our wafer butterfly valves are constructed from high-quality materials to withstand the harshest industrial conditions. Its sturdy construction ensure...
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DN600-DN1200 worm Large size gear cast iron/Duc...
Quick Details Place of Origin: Tianjin, China Brand Name: TWS Model Number: MD7AX-10ZB1 Application: General Material: Casting Temperature of Media: Normal Temperature Pressure: Medium Pressure Power: Manual Media: Water, gas, oil etc Port Size: Standard Structure: BUTTERFLY Standard or Nonstandard: Standard Product name: MD DN600-1200 worm gear cast iron flange butterfly valve DN(mm): 600-1200 PN(MPa): 1.0Mpa, 1.6MPa Flange connec...
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Reasonable Price & High Quality Manufactur...
The consumer gratification is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and repair for Manufacturer of China Stainless Steel 304 Floor Drain Backflow Preventer for Bathroom, Our Lab now is “National Lab of diesel engine turbo technology ” , and we own a expert R&D team and complete testing facility. The consumer gratification is our primary concentrate on. We uphold a consistent level of professionalism, top quality, ...
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Revolutionize Flow Efficiency GPQW4X-16Q Compos...
Every single member from our large efficiency profits team values customers’ requirements and organization communication for 2019 wholesale price ductile iron Air Release Valve, The continual availability of high grade solutions in combination with our excellent pre- and after-sales services ensures strong competitiveness in an increasingly globalized market place. Every single member from our large efficiency profits team values customers’ requirements and organization communicat...
◆ Special butterfly valve for seawater desalination The medium flow part adopts new special coatings and materials according to different working conditions to meet the needs of the seawater desalination industry.
◆ The high-pressure soft-sealed centerline butterfly valve meets the needs of high-pressure water pipelines, water supply and drainage in high-rise buildings and other working conditions, and has the characteristics of high pressure resistance, low flow resistance, etc.
◆ Desulfurization flange /wafer centerline butterfly valves are widely used in flue gas desulfurization and other similar working conditions. Safe and reliable materials selected according to the working conditions to meet customer needs.
CHOOSE VALVE,TRUST TWS
About Us
Brief 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” .
LET YOU KNOW MORE ABOUT TWS
EVENTS & News
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Professional Butterfly Valve Product Series — Reliable Control and Efficient Sealing Industrial Solutions
Our company specializes in fluid control technology, dedicated to providing customers with high-performance, multi-series butterfly valve products. The wafer butterfly valves and double-eccentric butterfly valves we offer feature distinct structures and characteristics, making them widely applica...
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TWS 2-Day Tour: Industrial Style and Natural Fun
From August 23 to 24, 2025, Tianjin Water-Seal Valve Co., Ltd. successfully held its annual outdoor “Team Building Day.” The event took place at two scenic locations in Jizhou District, Tianjin—the Huanshan Lake Scenic Area and Limutai. All TWS employees participated and enjoyed a won...
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Discussion on valve leakage and its protective measures
Valves play a vital role in industrial piping systems, controlling the flow of fluids. However, valve leakage often plagues many companies, leading to reduced productivity, wasted resources, and potential safety hazards. Therefore, understanding the causes of valve leakage and how to prevent it i...
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Professional butterfly valve product series—providing reliable solutions for a variety of industrial scenarios
Our company leverages advanced valve design and manufacturing technology to continuously innovate and introduce new products. Our flagship products, including butterfly valves, gate valve, and check valve, are widely exported to Europe. Among these, butterfly valve products include center butterf...
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How to choose the connection method between valves and pipes
In industrial piping systems, valve selection is crucial, especially butterfly valves. Butterfly valves are widely used due to their simple structure, low fluid resistance, and ease of operation. Common butterfly valve types include wafer butterfly valve, flanged butterfly valve, and grooved butt...
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