Total 546 products for what is a backflow preventer Manufacture & Suppliers

• NBR Seal RJT 3/4" BPE Clamp Hydraulic Check Valves

  

  ...way valve Sanitary check valves are specifically used for the food handling and processing industries to prevent backflow of product. Commonly used with liquid products, spring check valves are designed to a...

  DONJOY TECHNOLOGY CO., LTD

  Zhejiang,China

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• Thread Weld DN40 Flanged DN11864 Aseptic Check Valves

  

  DN40 high Clean Flanged type check valve/DN11864 Aspetic check valve Sanitary check valves are specifically used for the food handling and processing industries to prevent backflow of product. Commonly used wit...

  DONJOY TECHNOLOGY CO., LTD

  Zhejiang,China

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• Flanged DN80 DN11853 Aseptic Weld Hydraulic Check Valves

  

  DN80 check valve with Flange Type /DN11853 Aspetic weld one way valve Sanitary check valves are specifically used for the food handling and processing industries to prevent backflow of product. Commonly used wi...

  DONJOY TECHNOLOGY CO., LTD

  Zhejiang,China

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• 1/2" Thread Spring Return check valve/Donjoy One way valve

  

  ...Donjoy One way valve Sanitary check valves are specifically used for the food handling and processing industries to prevent backflow of product. Commonly used with liquid products, spring check valves are de...

  DONJOY TECHNOLOGY CO., LTD

  Zhejiang,China

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• Welded DN80 Flanged DN11853 Aseptic Check Valves

  

  Weld DN80 Flanged DN11853 Aseptic Check Valves/One way valve Sanitary check valves are specifically used for the food handling and processing industries to prevent backflow of product. Commonly used with liquid...

  DONJOY TECHNOLOGY CO., LTD

  Zhejiang,China

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• Fine Mist Spray Airless Pump Bottle With Various Capacity Used for Cosmetics

  

  ... pressure that lifts the piston platform No dip tube required - product sits directly on the lifting platform Creates a hermetic seal that prevents air backflow...

  Ningbo Sunwinjer Daily Products Co,.LTD

  Zhejiang,China

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• Large Batch Manufacture 18mm 20mm 24mm Cream Dispenser Pump with PP Over-all Cap

  

  ...hout any backflow, ensuring the remaining formula stays untouched and sterile . Preservation of Actives This is particularly critical for "clean" or natural beauty products that use fewer preservatives . Con...

  Ningbo Sunwinjer Daily Products Co,.LTD

  Zhejiang,China

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• Inner Core Rubber Duckbill Valve , Drain Check Valve Automatically Open Forward Turn Resistant

  

  ... turn-resistance ,a small start-up pressure and flow naturally adjusted according to the water pressure. 3. Reverse backstop sealed,no leaks,it prevents backflow,the greater the back pressure,the better the...

  Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

  Shandong,China

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• Neoprene Rubber Check Valve , One Way Rubber Valve Oil Resistent Chloroprene Rubber Body

  

  ... turn-resistance ,a small start-up pressure and flow naturally adjusted according to the water pressure. 3.Reverse backstop sealed,no leaks,it prevents backflow,the greater the back pressure,the better the...

  Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

  Shandong,China

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• Flapper Duckbill Check Valve Cost Effective Duckmouth Shaped For Draining Sewage

  

  ...s either causes a forward flow or prevents backflow in a device. Our flapper, umbrella, duckbill and custom valves are produced from a wide variety of rubber compounds, including medical and food-grade ......

  Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

  Shandong,China

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• High Pressure Cement Float Equipment For Oilfield Good Performance Api Standard

  

  ... prevent cement backflow, provide casing buoyancy during run-in, and act as internal bops during the process of running and cementing the casing. Our float collar & shoe sizes ......

  Puyang Zhongshi Group Co., Ltd.

  Shaanxi,China

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• Slip On Poppet-type Float Collar & Shoe

  

  Features: Cement/Poppet-type Float equipment offers dependable performance for all classes oil&gas wells. The valves prevent cement backflow, provide casing buoyancy during run in. Act as internal BOPs during t...

  Puyang Zhongshi Group Co., Ltd.

  Shaanxi,China

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• Poppet-type Float Shoe

  

  Features: Cement/Poppet-type Float equipment offers dependable performance for all classes oil and gas wells. The valves prevent cement backflow, provide casing buoyancy during run in. Act as internal BOPs duri...

  Puyang Zhongshi Group Co., Ltd.

  Shaanxi,China

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• Non Rotating Cement Float Equipment Oilfield Casing Shoe Collar

  

  Oilfield Non-Rotating Float Shoe and Float Collar The cement float collar& shoe offer dependable performance for all classes of oil and gas wells. The plunger type valves prevent cement backflow, provide casing...

  Puyang Zhongshi Group Co., Ltd.

  Shaanxi,China

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• Non Rotating Type Casing Cementing Float Collar Shoe API

  

  ...shoe offer dependable performance for all classes of oil and gas wells. The plunger type valves prevent cement backflow, provide casing buoyancy during run-in, and act as internal bops during the process of ...

  Puyang Zhongshi Group Co., Ltd.

  Shaanxi,China

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• API Drilling Cementing Casing Float Collar And Float Shoe 4.5" - 36"

  

  ... in the annulus could U-tube, or reverse flow back into the casing API Drilling Cementing Casing Float Collar and Float Shoe Features The valves prevent cement backflow Match customer casing specification. A...

  Puyang Zhongshi Group Co., Ltd.

  Shaanxi,China

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• Oilfield Downhole Check Valve For API ESP Equipment 5000psi Flow Control

  

  ... in the tubing string during equipment shut down period. The check valve is designed and used to prevent backflow through a pump, which uses a seat and plunger to block downward flow in the tubing string.. T...

  XI 'AN ZZ TOP OIL TOOLS CO.,LTD

  China

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• API594 Double Disc plated Dual Check Valves With Class 150, Class 300, Class600, Class900, class1500

  

  ... direction within the piping system or the pipeline (as backflows may damage upstream equipment). The check valve lets the fluid flow in the desired direction only (if there is enough pressure), and blocks a...

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

  Hebei,China

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• API594 Oil Gas Valve Metal To Metal Wafer Check Valve With Lug Drilled Holes CVS-0150-8L

  

  check valve is a protection device that prevents the fluid from flowing in an unwanted direction within the piping system or the pipeline (as backflows may damage upstream equipment). The check valve lets the f...

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

  Hebei,China

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• Wafer Metal Seat Check Valve With 4A 5A Duplex SS CVS-10-14WA

  

  check valve is a protection device that prevents the fluid from flowing in an unwanted direction within the piping system or the pipeline (as backflows may damage upstream equipment). The check valve lets the f...

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

  Hebei,China

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