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Double Check Valve Backflow Preventer

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

Tri Clamp Weld DIN Check Valve / Sanitary Non Return Valve EPDM Sealing Form

...disc will open when the pressure of stem bottom exceed the stem above. The check valve disc will close when the two pressure are equaled. So that the flow goes one way in the pipeline, an...

Nyhau Fluid Equipment Co.,Ltd
Jiangsu,China

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Ductile Iron Wafer Type Dual Disc Check Valve DN50-DN600

...plates quickly and automatically, preventing the mediums from flowing back. Wafer dual plate check valve can be mounted between the two pipes in both horizontal and vertical directions. Wafer type dual plate...

Anhui Prosper Flow Technology Co., Ltd
Anhui,China

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OEM Dual Disc DI Check Valve Flange Type Wafer Type

...plates quickly and automatically, preventing the mediums from flowing back. Wafer dual plate check valve can be mounted between the two pipes in both horizontal and vertical directions. Wafer type dual plate...

Anhui Prosper Flow Technology Co., Ltd
Anhui,China

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Durable Swing Type Check Valve / Automatic Wafer Style Check Valve PN16~PN40

..., and the pressure of medium will bring the result of opening and closing automatically. When the medium is back-going, valve disc will automaticaly closed to avoid accidents. material: NO parts qty material...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

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H44H cast steel WCB flanged swing check valve

...check valve Swing check valve is a kind of valve which automatically opens and closes valve disc depending on the flow of the medium itself, and it is also used to prevent medium from flowing backwards. Spec...

HEBEI PAWOFUOU VALVE AND PIPE FITTING TECHNOLOGY CO.,LTD.
Hebei,China

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Ductile Iron Cast Steel Hydraulic Buffered Tilting Check Valve For Water Pipelines

... and sewage treatment plants to prevent medium back-flow in the pipeline network. Automatically eliminates destructive water hammer, ensuring that water pumps and pipelines are not damaged. The valve is main...

Shanghai Jianggong Valve Manufacturing Co., Ltd.
China

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Model NO. H14W DN8-DN100 304/316 Stainless Steel Swing Check Valve Anti-Backflow Valve

Product Description DN 15 20 25 32 40 50 SIZE 1/2'' 3/4'' 1'' 1 1/4'' 1 1/2'' 2'' L 62 72 84 98 111 128 H 41 46 50 58 63 70 Detailed Photos Company Wenzhou Fuchuang Valve Technology Co., Lid, is a company that ...

Wenzhou Fuchuang Valve Technology Co., Ltd.
Zhejiang,China

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Direct Industrial Usage 304/316 Stainless Steel Swing Check Valve Anti-Backflow Valve

Product Description DN 15 20 25 32 40 50 SIZE 1/2'' 3/4'' 1'' 1 1/4'' 1 1/2'' 2'' L 62 72 84 98 111 128 H 41 46 50 58 63 70 Detailed Photos Company Wenzhou Fuchuang Valve Technology Co., Lid, is a company that ...

Wenzhou Fuchuang Valve Technology Co., Ltd.
Zhejiang,China

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Gost sS 304 Lift Type Check Valve , anti erosion Lift Control Valve

...Check Valve Introduction This valve is suitable on the nitric acid type pipeline does prevents the medium adverse current to open one way shuts. Installation mode 1.for the check valve with the valve disc sl...

China • Yuanda Valve Group Co., Ltd.
Hebei,China

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Gost sS 304 Lift Type Check Valve , anti erosion Lift Control Valve

...Check Valve Introduction This valve is suitable on the nitric acid type pipeline does prevents the medium adverse current to open one way shuts. Installation mode 1.for the check valve with the valve disc sl...

China • Yuanda Valve Group Co., Ltd.
Hebei,China

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Silent Non Slam Check Valves 8 Inch DN200 PN100 600LB Spring Assisted Check Valves

...Check Valve Non-Slam Check Valves Single Check Valve Pring-Assisted Check Valves Metal To Metal Sealing Item Silent Check Valve Non-Slam Check Valves Certification ISO9001,ISO14001,ISO18001,TS,CE,API Brand V...

ZHEJIANG VERVO VALVE CO.,LTD
Zhejiang,China

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Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

...Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN Stainless Steel Swing Check Valve Application: The Check valve is used for preventing the back-going of medium in pipelines and equipments, and the press...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

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Tri Clamp Sanitary Ball Check Valve 4 Inch Operating Pressure To 150 Psi

...Check Valve , Tri Clamp Check Valve Operating Pressure To 150 Psi 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 t...

Nyhau Fluid Equipment Co.,Ltd
Jiangsu,China

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Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

...Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN Stainless Steel Swing Check Valve Application: The Check valve is used for preventing the back-going of medium in pipelines and equipments, and the press...

Zhejiang JieYu Valve Co., Ltd.
Zhejiang,China

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Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

...Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN Stainless Steel Swing Check Valve Application: The Check valve is used for preventing the back-going of medium in pipelines and equipments, and the press...

Shanghai kangquan Valve Co. Ltd.
Shanghai,China

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Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

...Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN Stainless Steel Swing Check Valve Application: The Check valve is used for preventing the back-going of medium in pipelines and equipments, and the press...

Zhejiang JieYu Valve Co., Ltd.
Zhejiang,China

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DN80 Cast Steel Check Valve Lift Type For Water Supply And Drainage Industry

...Check Valve DN80 Lift Type For Water Supply And Drainage Industry Check Valve Overview The American standard check valves produced by our company are designed and manufactured in full accordance with America...

Handan Shengnada New Material Technology Co., Ltd.
Hebei,China

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DN80 ANSI150LB RF Double Door Plate Cast Steel Metal Seat Wafer Check Valve Non Return Valves

...Double Door Plate Cast Steel Metal Seat Wafer Check Valve Non Return Valves Specifications Design According to API594. API6D. JB/T8937 Face to face according to API594. API6D. DIN3202. JB/T8937 Pressure & Te...

Wenzhou Xidelong Valve Co. LTD
Zhejiang,China

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Flange PN10 Check Valve ISO Certified For Industrial Environments

...type of flange. The temperature range for this valve is from 0-80℃, and is certified by ISO. The seal material is made up of EPDM rubber disc. The most important feature of this check valve is the rubber dis...

Suzhou Alpine Flow Control Co., Ltd
Jiangsu,China

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ASTM Standard Carbon Steel Flange Check Valve DN150 For Chemical Industry

...-return valve, its function is to prevent the medium in the pipeline from flowing back. The opening and closing parts are automatically opened or closed by the flow and force of the medium to prevent the val...

Handan Shengnada New Material Technology Co., Ltd.
Hebei,China

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Double Check Valve Backflow Preventer

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

Tri Clamp Weld DIN Check Valve / Sanitary Non Return Valve EPDM Sealing Form

Ductile Iron Wafer Type Dual Disc Check Valve DN50-DN600

OEM Dual Disc DI Check Valve Flange Type Wafer Type

Durable Swing Type Check Valve / Automatic Wafer Style Check Valve PN16~PN40

H44H cast steel WCB flanged swing check valve

Ductile Iron Cast Steel Hydraulic Buffered Tilting Check Valve For Water Pipelines

Model NO. H14W DN8-DN100 304/316 Stainless Steel Swing Check Valve Anti-Backflow Valve

Direct Industrial Usage 304/316 Stainless Steel Swing Check Valve Anti-Backflow Valve

Gost sS 304 Lift Type Check Valve , anti erosion Lift Control Valve

Gost sS 304 Lift Type Check Valve , anti erosion Lift Control Valve

Silent Non Slam Check Valves 8 Inch DN200 PN100 600LB Spring Assisted Check Valves

Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

Tri Clamp Sanitary Ball Check Valve 4 Inch Operating Pressure To 150 Psi

Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

Silent Stainless Steel Swing Check Valve API 6D/ ANSI 16.5 B/ JIS 20K/JIS 10K /DIN

DN80 Cast Steel Check Valve Lift Type For Water Supply And Drainage Industry

DN80 ANSI150LB RF Double Door Plate Cast Steel Metal Seat Wafer Check Valve Non Return Valves

Flange PN10 Check Valve ISO Certified For Industrial Environments

ASTM Standard Carbon Steel Flange Check Valve DN150 For Chemical Industry