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Double Check Valve Backflow Preventer

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

PN10 / PN16 Ductile Iron Valves Hydraulic Swing Check Valve ANSI BS DIN JIS

... drop. The disc swings into the open position as the media flows through the line. Back pressure in the line holds the disc in the closed position.Swing check valves may be installed in horizontal or vertica...

Henan Wein Industry Co., Ltd.
Henan,China

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PN10 / PN16 Ductile Iron Valves Hydraulic Swing Check Valve ANSI BS DIN JIS

... drop. The disc swings into the open position as the media flows through the line. Back pressure in the line holds the disc in the closed position.Swing check valves may be installed in horizontal or vertica...

Henan Wein Industry Co., Ltd.
Henan,China

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Fully Rubber Lined Wafer Check Valves With PN10 PN16 PN25

... ANSI B16.5 Face to face: ANSI DIN F48 Working temperature: -40℃~+125℃. Test and inspection: API 598. Double disc spring loaded Check Valve Epoxy powder coated inside and outside Min. 250Microns. Product Ran...

SHIJIAZHUANG DEYE PIPING INDUSTRY CO., LTD（Pipefittings Department)
Hebei,China

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Pilot operated check valve C120/37.6.1.35.1 Hydraulic lock，Double pilot check valve，Outrigger hydraulic lock，Pressure maintaining hydraulic lock，Cylinder hydraulic lock，Pilot check valve assembly

... STRONG SUPPORT FOR EFFICIENTCONSTRUCTION. Pilot operated check valve C120/37.6.1.35.1 Hydraulic lock,Double pilot check valve,Outrigger hydraulic lock,Pressure maintaining hydraulic lock,Cylinder hydraulic ...

Changsha Tongchuang Mechanical Co., Ltd.
Hunan,China

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API 598 SCVX silence check valve GG25 body diameter 300 - 1200mm for sump pump

...check valve GG25 body diameter 300 - 1200mm for sump pump Product introduction Oversized silence check valve is flow-line designed according to hydrodynamics and the pressure loss is very little.The valve is...

OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED
Guangdong,China

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NRV NRVH Danfoss Type Refrigeration Check Valve 7/8'' 1 1/8'' 1 3/8'' 1 5/8''

...air conditioning plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-...

Ningbo Brando Hardware Co., Ltd
Zhejiang,China

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Danfoss Type Refrigeraion Check Valve NRV NRVH 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' 7/8''

...air conditioning plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-...

Ningbo Brando Hardware Co., Ltd
Zhejiang,China

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NRV NRVH Danfoss Type Refrigeraion Check Valve 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' Flare

...air conditioning plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-...

Ningbo Brando Hardware Co., Ltd
Zhejiang,China

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Danfoss Type NRV Refrigeration Check Valve Straight-way Flare

...Check Valve Straight-way Flare NRV and NRVH refrigeration check valves can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plant with HCFC. HFC and HC flammable refrigerant...

Ningbo Brando Hardware Co., Ltd
Zhejiang,China

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Danfoss Type NRV Check Valve 1/4'' to 7/8'' Straight-way Solder ODF

... plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-in damping pisto...

Ningbo Brando Hardware Co., Ltd
Zhejiang,China

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NRV Refrigeration Check Valve For Air Conditioner 7/8'' to 1-5/8''

... plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-in damping pisto...

Ningbo Brando Hardware Co., Ltd
Zhejiang,China

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Inside BOP Drop-In Check Valve Upper Lower Kelly Cock Valve For Drill String

...Check Valve / Drop-In Check Valve / Upper and Lower Kelly Cock Valve Product Description INSIDE BOP Drill-Tool Check Valve Drill-tool check Valve is a main Blowout prevent tool in drill tool and should be cl...

Dongying Oilman Machinery Equipment Co.,Ltd.
China

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Inline Flapper / Dart / Top Entry Check Valve Fig1502 For Oil Gas Drilling

...Check Valve / Dart Check Valve / Top Entry Check Valve Check valve is a kind of single flow valve to prevent fluid flow back to upstream, which is installed on pipeline. Our check valve is interchangeable wi...

Dongying Oilman Machinery Equipment Co.,Ltd.
China

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Petroleum Stainless Steel Swing Check Valve , Pipeline Sanitary Ss Check Valve

..., personal care, and bio-pharmaceutical. Being cleanable and have no areas for bacterial entrapment, sanitary products have its advantages which industrial fittings cannot cover. Sanitary check valve is work...

Kaysuns Industry Ltd.
Zhejiang,China

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Conventional Reverse Flow Gas Lift Valve / Check Valves Various Apertures Optional

...Check Valves), Max Pressure Differential 8500psi The conventional reverse-flow check valve is of velocity type and matched with the conventional injection-pressure-operated gas lift valves. This product prev...

Hunan Victor Petrotech Service Co.,Ltd
Hunan,China

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Conventional Reverse Flow Gas Lift Valve / Check Valves Various Apertures Optional

...Check Valves), Max Pressure Differential 8500psi The conventional reverse-flow check valve is of velocity type and matched with the conventional injection-pressure-operated gas lift valves. This product prev...

Hunan Victor Petrotech Service Co.,Ltd
Hunan,China

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OEM / ODM Hydraulic Lock Valve Steel Double Relief Valve KSPC-G1/4

... to hold hydraulic cylinders or actuators in a fixed position. For example, they are commonly used in industrial machinery, mobile equipment, and hydraulic presses to prevent unintended movement or drifting....

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

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Steel Hydraulic Lock Valve Double Relief Valve KSPC-G1/4 for Hydraulic System Usage

... to hold hydraulic cylinders or actuators in a fixed position. For example, they are commonly used in industrial machinery, mobile equipment, and hydraulic presses to prevent unintended movement or drifting....

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

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BC10C/401BT-3039 Hydraulic lock，Double pilot check valve，Outrigger hydraulic lock，Pressure maintaining hydraulic lock，Cylinder hydraulic lock，Pilot check valve assembly，Double hydraulic lock valve

... STRONG SUPPORT FOR EFFICIENTCONSTRUCTION. BC10C/401BT-3039 Hydraulic lock,Double pilot check valve,Outrigger hydraulic lock,Pressure maintaining hydraulic lock,Cylinder hydraulic lock,Pilot check valve asse...

Changsha Tongchuang Mechanical Co., Ltd.
Hunan,China

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Danfoss Type NRV refrigeration check valves for Air conditioning 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' 7/8''

... in refrigeration and air conditioning plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the col...

Ningbo Brando Hardware Co., Ltd
Zhejiang,China

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Double Check Valve Backflow Preventer

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

PN10 / PN16 Ductile Iron Valves Hydraulic Swing Check Valve ANSI BS DIN JIS

PN10 / PN16 Ductile Iron Valves Hydraulic Swing Check Valve ANSI BS DIN JIS

Fully Rubber Lined Wafer Check Valves With PN10 PN16 PN25

Pilot operated check valve C120/37.6.1.35.1 Hydraulic lock，Double pilot check valve，Outrigger hydraulic lock，Pressure maintaining hydraulic lock，Cylinder hydraulic lock，Pilot check valve assembly

API 598 SCVX silence check valve GG25 body diameter 300 - 1200mm for sump pump

NRV NRVH Danfoss Type Refrigeration Check Valve 7/8'' 1 1/8'' 1 3/8'' 1 5/8''

Danfoss Type Refrigeraion Check Valve NRV NRVH 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' 7/8''

NRV NRVH Danfoss Type Refrigeraion Check Valve 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' Flare

Danfoss Type NRV Refrigeration Check Valve Straight-way Flare

Danfoss Type NRV Check Valve 1/4'' to 7/8'' Straight-way Solder ODF

NRV Refrigeration Check Valve For Air Conditioner 7/8'' to 1-5/8''

Inside BOP Drop-In Check Valve Upper Lower Kelly Cock Valve For Drill String

Inline Flapper / Dart / Top Entry Check Valve Fig1502 For Oil Gas Drilling

Petroleum Stainless Steel Swing Check Valve , Pipeline Sanitary Ss Check Valve

Conventional Reverse Flow Gas Lift Valve / Check Valves Various Apertures Optional

Conventional Reverse Flow Gas Lift Valve / Check Valves Various Apertures Optional

OEM / ODM Hydraulic Lock Valve Steel Double Relief Valve KSPC-G1/4

Steel Hydraulic Lock Valve Double Relief Valve KSPC-G1/4 for Hydraulic System Usage

BC10C/401BT-3039 Hydraulic lock，Double pilot check valve，Outrigger hydraulic lock，Pressure maintaining hydraulic lock，Cylinder hydraulic lock，Pilot check valve assembly，Double hydraulic lock valve

Danfoss Type NRV refrigeration check valves for Air conditioning 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' 7/8''