Total 4644 products for back flow preventer Manufacture & Suppliers

• Xbd - Ql Tangent Fire Centrifugal Water Pump , Single Stage Centrifugal Pump Easy Maintenance

  

  ... hardly changes in the entire range of quantity. This feature, perfectly suitable for fire scene, prevents ordinary centrifugal pumps from shot supply of water in large flow due to overpressure resulting fro...

  OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED

  Guangdong,China

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• 460V QJB Submersible Mixers Wastewater For Improved Water Quality

  

  ...Prevent Deposition Product Name QJB Submersible mixer sewage water treatment Introduction QJB submersible mixer as a water treatment process is one of the key equipment in the water treatment process, the bi...

  QUZHOU ZHONGYI CHEMICALS CO.,LTD

  Zhejiang,China

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• Bushing Aluminum Deep Drawn Parts Enclosure Electronics Components Durable

  

  ... is not great, the reducer should be adopted. In the inlet of the pump, the reducer should be used to prevent cavitation. With the instrument, such as the flow meter and the regulating valve, in order to coo...

  SHIJIAZHUANG WOODOO TRADE CO.,LTD

  Hebei,China

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• Seamless pipe fittings Hot Process Erw Buttweld Carbon Steel Reducer

  

  ... the flow rate requirement does not change much, the reducing pipe shall be used in the moulded reducing pipe.2, the entrance of the pump, in order to prevent cavitation.3, pressure reducing pipe and instrum...

  Cangzhou Junxi Group Co., Ltd.

  Hebei,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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• Drip Irrigation Sprinkler Electric Plastic Solenoid Valve 3/4" 1" 9V 12V 24V DC

  

  ...s is a 2/2 valve which means it has 2 ports and 2 flow positions. Put simply, this valve either blocks or opens water flow from 1 inlet to 1 outlet. It is designed with industrial grade nylon components to p...

  Ningbo Brando Hardware Co., Ltd

  Zhejiang,China

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• Swing Flex Nylon Reinforcement 40 Degree Rubber Disc Check Valve Anti Water Hammer

  

  ..., 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 position allowing 100% un-restricted ...

  Suzhou Alpine Flow Control Co., Ltd

  Jiangsu,China

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• 100Mpa 0.2" Hydraulic Hose Couplings Hardened Hydraulic Quick Couplings

  

  ...flow diameter 0.2'' hydraulic quick couplings high flow high-pressure hose couplings The Series 218 is a CEJN original that, despite very small outside dimensions, gives an extremely high flow. Both ...

  Phidix Motion Controls (Shanghai) Co., Ltd.

  Shanghai,China

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• DRVZ Type Vertical Silent Check Valve 403 Forbidden with openresty for Water Pipeline

  

  ...prevent the backflow of fluids and maintain the desired direction of flow. As a stop-check valve, it serves the purpose of allowing fluid flow in one direction while stopping it in the opposite direction, en...

  Shanghai Jianggong Valve Manufacturing Co., Ltd.

  China

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• 300psi Female Pneumatic Quick Coupling , Compressed Air Quick Connect Fittings

  

  ... for use with compressed air. Features High Flow capacity Push to connect with a ring lock Sleeve Ring lock design prevents accidental disconnection To disconnect rotate sleeve 20 degrees Applications • Ship...

  Phidix Motion Controls (Shanghai) Co., Ltd.

  Shanghai,China

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• Excavator Spare Parts Main Control Valve / Distributor 67856676 SY225/245/335/365/485

  

  ...flow control: The main control valve/distributor 67856676 can achieve high precision flow control. It uses a precise spool and sleeve construction, which allows it to precisely regulate the flow of hydraulic...

  Jin Guan Chen Machinery Parts Business Department, Tianhe District, Guangzhou

  China

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• 160A TIG Welding Machine with HF Start and 380V Input

  

  ... Zone 1. Pre-Flow and Post-Flow Gas Control Some TIG machines allow pre-flow gas control to purge the weld area before ignition, ensuring clean weld starts. Post-flow gas shielding protects the weld while co...

  Foshan Olang Intelligent Equipment Co.,LTD

  Guangdong,China

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• TWS600S Triplex Plunger Pump Well Service Pump For Acidizing And Cementing

  

  600S Triplex Plunger Pump/Well Service Pump 600S plunger pump is designed with additional rod between the plunger and crosshead, achieving the mechanical back flow preventer. The operation space at the packing ...

  XIAN ATO INTERNATIONAL CO.,LTD

  China

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• DN50-DN500 Flap Check Valve Steel Brass Cast Iron Swing Check Valve

  

  ...one direction. It has a unique structure and working principle that can effectively prevent fluid from flowing back and ensure that the fluid flows in a specific direction. The main components of the flap ch...

  Wuxi Weishi Industrial Complete Equipment Co., Ltd.

  Jiangsu,China

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• EPOXY Coated Swing Flex Check Valve For Sewage System Ductile Iron Founded

  

  ... swing check valve for reliable reverse flow prevention, good for both clean water/sewage applications. It is a 40 degree angle declined seat which can help quick closure and minimize the water ......

  Suzhou Alpine Flow Control Co., Ltd

  Jiangsu,China

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• 40 Degree Incline Swing Flex Check Valve With Nylon Reinforcement Disc

  

  ...) is a fully encapsulated resilient disc seat, double flange swing check valve for reliable reverse flow prevention, good for both clean water/sewage applications. It is a 40 degree angle declined seat which...

  Suzhou Alpine Flow Control Co., Ltd

  Jiangsu,China

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• Rubber Disc Water Supply Valve , 40 Degree Incline Wastewater Air Release Valve

  

  ... flange swing check valve for reliable reverse flow prevention, good for both clean water/sewage applications. It is a 40 degree angle declined seat which can help quick closure and minimize the water ......

  Suzhou Alpine Flow Control Co., Ltd

  Jiangsu,China

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• Powder Coating Safety Release Valve , Water Release Valve For Sewage System

  

  ... reinforcement and good for reliable reverse flow prevention. It is used in both clean water/sewage applications. It is a 40 degree angle declined seat which can help quick closure and minimize the water ......

  Suzhou Alpine Flow Control Co., Ltd

  Jiangsu,China

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• Rubber Disc Swing Flex Check Valve 40 Degree Incline Wastewater Air Release Valve

  

  ... flange swing check valve for reliable reverse flow prevention, good for both clean water/sewage applications. It is a 40 degree angle declined seat which can help quick closure and minimize the water ......

  Suzhou Alpine Flow Control Co., Ltd

  Jiangsu,China

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• Incline Wastewater Ductile Iron Body Wafer Swing Check Valve With Rubber Disc

  

  ... swing check valve for reliable reverse flow prevention. It's OK for both clean water/sewage water applications. It is a 40 degree angle declined seat which can help close quickly and reduce the ......

  Suzhou Alpine Flow Control Co., Ltd

  Jiangsu,China

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