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Double Check Valve Backflow Preventer

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Total 1696 products for double check valve backflow preventer Manufacture & Suppliers

1/2"-6" Sanitary Check Valves Non Porous Eccentric Design Easy To Clean And Maintain

...Check Valves Non Porous , Easy To Clean And Maintain Sanitary Check Valve is the sanitary valves worked to prevent the flow from reversing. It is made in stainless steel AISI 316L or 304, with the adavantage...

Nyhau Fluid Equipment Co.,Ltd
Jiangsu,China

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4 Holes X 4 Inch Swing Gate Check Valve , Swing Type Non Return Valve For Oil

...Holes X 4 Inch Swing Gate Check Valve , Oil Swing Type Check Valve Brief Description Rubber Flapper Swing Check Valve, Oil Control Bottom Buffer is a safety device mounted in the pipeline or pump outlet to p...

Zhejiang JieYu Valve Co., Ltd.
Zhejiang,China

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ODM Class 125LB Waste Water Check Valve API598

... aggressive liquids, with a temperature handling of up to 80℃. The ball check valve is used in wastewater applications, power plants and process industry. The ball check valve is suitable for use in polluted...

Anhui Prosper Flow Technology Co., Ltd
Anhui,China

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Water Supply Silencing Flanged Check Valve 8 Inch Stainless Steel

... stops or quickly closing valvs, reversal of flow in the piping will slam the clapper shut against its seat and cause noise, vibration and piping stresses. So the water hammer can be easily controlled by a s...

zhejiang teyi valve co.,ltd.
Zhejiang,China

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ANSI 600LB RF Industrial Flanged Check Valve , Carbon Steel Swing Type Check Valve

... 600LB RF Industrial Flanged Check Valve , Carbon Steel Swing Type Check Valve Product Description: It is used to prevent fluids from flowing back, when the inlet pressure is lower than the outlet pressure, ...

zhejiang teyi valve co.,ltd.
Zhejiang,China

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ANSI 600LB API 6D Flanged Check Valve , Swing Type Industrial Check Valve

ANSI 600LB API 6D Flanged Check Valve , Swing Type Industrial Check Valve Product Description: It is used to prevent fluids from flowing back, when the inlet pressure is lower than the outlet pressure, the valv...

zhejiang teyi valve co.,ltd.
Zhejiang,China

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4 Holes X 4 Inch Swing Gate Check Valve , Swing Type Non Return Valve For Oil

...Holes X 4 Inch Swing Gate Check Valve , Oil Swing Type Check Valve Brief Description Rubber Flapper Swing Check Valve, Oil Control Bottom Buffer is a safety device mounted in the pipeline or pump outlet to p...

Zhejiang JieYu Valve Co., Ltd.
Zhejiang,China

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DIN Cast Iron / Steel Lift Double Flanged Ball Check Valve , Non Return Valve

Lift Check Valve , DIN Cast Iron / Steel, Double Flanged , Non-Return Valve Application: Lift check valve can work in high temperature and pressure circumstance with good appearance, nice function and superior...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

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DIN Cast Iron / Steel Lift Double Flanged Ball Check Valve , Non Return Valve

Lift Check Valve , DIN Cast Iron / Steel, Double Flanged , Non-Return Valve Application: Lift check valve can work in high temperature and pressure circumstance with good appearance, nice function and superior...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

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Super Duplex Dual Plate Wafer Check Valve Sea Water Duo Check Valve

... B16.34 Test & inspection According to ANSI B 16.34. DIN2401. GB/T9124. JB/T74 Application The innovative double-valve structure of the H76 check valve uses two spring-loaded flaps (half-valve) suspended fro...

Wenzhou Xidelong Valve Co. LTD
Zhejiang,China

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Lug Type Double Disc Check Valve

A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. Check valves are two-port valves, meaning they have ...

Kata Valve (Group) Co., Ltd.
Shanghai,China

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Pilot Operate Hydraulic Balance Valve steel Double Counterbalance Valve

...valve with double balance valve based on steel body This counterbalance effect is achieved by the pilot-operated relief valve sensing the pressure at the actuator's inlet side and modulating the flow through...

Changsha Kaienli Hydraulic Technology Co., Ltd.
Hunan,China

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ANSI DIN Quick Closing Wafer Check Valve Sandwich Type Single Disc Swing

...24" Pressure Rating: - 125LB~600LB Temperature Range: - -29°C~180°C Application Check Valves The function of this type of valve is to allow only the medium to flow in one direction and to prevent flow in the...

Wenzhou Xidelong Valve Co. LTD
Zhejiang,China

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High Pressure Wellhead Valves / Swing Type Check Valve U Temperature Class

...Check Valve The wellhead check valve is mainly used to separate drilling liquid and fluid. There are two types of check valves : Dart Check valve and swing check valve. The check valves are manufactured in f...

XI‘AN ZZTOP OIL TOOLS CO.，LTD
China

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Hydrodynamic Design Water Hammer Prevention Check Valve For Cooling System / HVAC System

Low Head Loss Anti Water Hammer Non Slam Check Valve EPOXY Coated Quick Close Ductile iron Description NSCV- Non Slam Check Valve is used as protection against reverse flow when power failure in areas where noi...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

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Epoxy Coating Ductile Iron Swing Flex Check Valve Reduce Headloss And Water Hammer

...Swing Flex Check Valve 40 degree incline EPOXY Coated Nylon Reinforcement Disc Description: Rubber Disc Check Valve, is a totally covered by EPDM or NBR rubber with nylon reinforcement and that is good for...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

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Hydrodynamic Design Non Slam Check Valve Water Hammer Prevention With Diffuser

Low Head Loss Anti Water Hammer Non Slam Check Valve EPOXY Coated Quick Close Ductile iron Description NSCV- Non Slam Check Valve is used as protection against reverse flow when power failure in areas where noi...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

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Rubber Flapper Swing Flex Check Valve Nylon Reinforcement Disc Available

...h EPDM and nylon reinforcement, 304SS stem (bar), GI bolts.That is designed to prevent reverse flow automatically. During system flow conditions, the movement of the fluid forces the disc to the open positio...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

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