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backflow check valve

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Backflow Prevention Rubber Check Valve

Details: Backflow Prevention Rubber Check Valve: It is a new water supply and drainage valve with full rubber structure. It is used widely in various drain...

Zhengzhou Bihe Trade Co., Ltd.

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Threaded stainless steel check valve(304,316)

Model / Specifications:H11H

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:

Details: 【 product use 】H14W - 16 r, H14W - 16 p type the function of internal thread stainless steel check valve is used to prevent the backflow medium ...

Wenzhou STV Valve co.,Ltd

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Wafer Silencing Check Valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:PN10PN16PN25

Power:automatic

Details: Wafer Silencing Check Valve functioned to avoid backflow of mediums. it is featured by outstanding capability to eliminate nois...

Zhejiang Guanlong Valve Machinery Co., Ltd.

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Best SellerXH41 Duckbilled Sewage Check Valve Prices

Details: Best Seller!!!!!XH41 Backflow Duckbilled Sewage Check Valve Prices The sewage valve, flanged rubber products main use: apply to the waterproofing ...

Gongyi Xinli Pipeline Equipment Co., Ltd.

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Easy operation fill valves

Details: A1210 Fill Valve Product Description: 1.Small body, easier to install 2.Check Valve prevents water backflow. 3,Fill valve height can be custo...

BST (Zhongshan) Plumbing Inc.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Bronze Backflow Preventor water valve

Details: WD-1201 DCVE-Bronze Backflow Preventor Double Check Valve♦ Size:1/2" 3/4" 1" 11/4" 11/2" 2"• Maximum Wor...

Yuhuan World Copper Co., Ltd.

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China (Mainland)China (Mainland)

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small plastic check valve to prevent water and oil backflow

Details: Product name: small plastic check valve to prevent water and oil backflow Product details: 1.Material:pp (check valve)2.Seal rubber:viton 3.Si...

Chongqing Aqua Tech Trading Corporation Limited

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China (Mainland)China (Mainland)

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China valve

Details: Product details : China valve check valves (One - way valve) : check valve as a check valve, a one-way valve or check valve, its role is to preven...

Suzhou Ephood Automation Equipment Co., Ltd.

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China (Mainland)China (Mainland)

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Check Valve Slow Shut Check Valve

Material:Aluminum

Standard or Nonstandard:Nonstandard

Details: Slow shut check valve, also known as check valve or check valve, its role is to prevent the backflow medium pipeline. Open-close part by medium fl...

China Fagong Valve Co.,Ltd.

Business Type:Distributor/Wholesaler

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China (Mainland)China (Mainland)

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Brass mini check valve

Model / Specifications:DZ

Price Range:US $1.4 - 1.9 / Piece

Standard or Nonstandard:Standard

Structure:Pilot

Pressure:Medium Pressure

Power:Solenoid

Details: check valve: 1.ISO:9001/2000, CE, ROHS, CQC 2.check the backflow 3.copper...

Hangzhou Xiangjun Electronic Co., Ltd.

Business Type:Manufacturers

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forged steel swing cheek valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Forged steel check valve, Check Valves can automatically stop the medium backflow, through the force of the medium can open the disc of valves, ch...

Zhangsheng Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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304 CHECK VALVE

Model / Specifications:DN25-DN100

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Pneumatic

Details: Sanitary check valve/stainless steel check valve/thread check valve/non-return valve1)Application The check valve is used in stainless steel pipin...

Yuanen Fluid Equipment Co.,Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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API 6D Check Valve

Model / Specifications:API 6D

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Material:AlloyStainlessCarbon steelor other...

Details: Check valve(API 6D series) • Is automatically to prevent fluid backflow valve. Check the valve flap to open under pressure in the fluid, a f...

Suzhou Meigo Petroleum Equipment Manufacturing Co.,Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PLASTIC SUMP PUMP CHECK VALVE/ EJECTOR / Plastic Check Valve

Details: Plastic Check ValvePrevents backflow to sump pump1-1/4" barb or 1-1/2" slip connectionFits all sumps with 1-1/4" dischargeRequired ...

Shanghai Rural Industries Co., Ltd.

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"Class 150"wcb check valve for chemical industry

Details: - Type:Pressure sealed connection swing check Valve - Processing: Various modes of the pipeline,prevent the medium backflow- Method: Handle opera...

Shanghai High & Medium Pressure Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Sanitary welded check valve

Details: Welded sanitary check valve1)ApplicationThe check valve is used in stainless steel piping system to prevent liquid backflow .2)Working principlewh...

Zhejiang Wu Rong valve co., LTD

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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KRS HC41X energy-saving silencing check valve (Sales No.:746)

Standard or Nonstandard:Standard

Brand Name:KRS

Details: HC41X energy-saving silencing check valve (Sales No.:746) Products overviewSilencing check valve is installed in a water pump export pipelines, u...

Tianjin KRS Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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pneumatic power staion check valve

Standard or Nonstandard:

Structure:Check

Pressure:High Pressure

Power:Pneumatic

Details: Overview Purpose Globe - check valve installed in combined cycle heat on the main steam pipe, prevent the backflow medium, failure occurs when the...

Zhejiang Hisun Automation Instrument Co.,Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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"Class 400"WCB swing check valve for oil industry

Details: - Type:Wafer type double disc swing check Valve - Processing: Various modes of the pipeline,prevent the medium backflow- Method: Handle operation ...

Shanghai High & Medium Pressure Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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sanitary check valve

Model / Specifications:sanitary check valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: ApplicationThe check valve is used in stainless steel piping system to prevent liquid backflow . Working principlewhen the pressure of lower stem ...

Yueyi Fluid Equipment (Shanghai) Co.,Ltd

Business Type:Importer/Exporter

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China (Mainland)China (Mainland)

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Product Summary

Backflow check valve, is also named check valve. A check valve is a type of valve which only permits flow in one direction.

These valves are often designed for safety reasons, to prevent backflow and to ensure that someone operating a system knows which direction fluids and gases are flowing in. Check valves can also be used for tasks like creating leak tight seals, which can be an important safety or convenience future.

One of the most common styles is the ball valve, made by mounting a ball over a disc with a small hole in it. Liquid or gas can flow through the hole and around the ball, but when it tries to push the other way, it shoes the ball up against the disc, creating a seal.

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