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Professional China Cast Iron Swing Check Valve - Rubber Seat Dual Plate Check Valve – Nortech

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Professional China Cast Iron Swing Check Valve - Rubber Seat Dual Plate Check Valve – Nortech Detail:

What’s the rubber seat dual plate check valve?

The Dual Plate Check Valve is an all purpose non return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or life check valve.it employs two spring-loaded plated hinged on a central hinge pin. When the flow decreases, the plates close by torsion spring action without requiring reverse flow.This design offers the twin advantages of No Water Hammer and Non Slam simultaneously. All features put together make the Dual Plate Check Valve one of the most efficient design. 

we have rubber seat dual plate check valve with wonderful sealing performance,but is only for low pressure and normal temperature,because of the limit of rubbers’ characteristics.

and also the metal seat dual plate check valve for severe working conditions,high temperature,high pressure,hard working conditions.

Main features of the rubber seat dual plate check valve:

Features and benefits of rubber seat dual plate check valves.

  • *Rubber vulcanised on the seat groove,good sealing performance.
  • *More compact and structurally sound design with low cost
  • *Light Weight,easier handling and self supporting.
  • *Same valve can be installed horizontally or vertically.
  • *Rubber seat with good tightness.
  • *Only Check valve which can be installed for flow upside down due to spring assisted closure.
  • *Low pressure drop and reduced energy loss irrespective of pressure ratings.
  • *Efficient and positive sealing under most flow and pressure conditions. Valve close before flow reversal.
  • *Long time and trouble-free operation.
  • *WRAS Certified,ACS Certified for Water industry,drinking water,potable water

Technical specifications of the rubber seat dual plate check valve:

Technical specifications:

Design and manufacture API594
Nominal diameter 2″-40″,DN50-DN1000
End connection Wafer
Pressure rating Class125-150,PN6-PN10-PN16
Body Cast iron,Ductile iron,Carbon steel,Stainless steel
Disc Ductile iron,Stainless steel,Duplex stainless steel,Alloy steel,Bronze
Seat Rubber EPDM,NBR,VITON,Silicone
Spring Stainless steel
Certification CE,TS,WRAS,ACS

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Applications of rubber seal dual plate check valves:

This kind of  Rubber Seat Dual Plate Check Valve  is widely utilized in pipeline with liquid & other fluids. 

  • *Water supply and treatment
  • *HVAC/ATC
  • *Chemical/Petrochemical
  • *Food and Beverage Industry
  • *Power and Utilities
  • *Pulp and Paper Industry
  • *Industrial environmental protection

Product detail pictures:

Professional China Cast Iron Swing Check Valve - Rubber Seat Dual Plate Check Valve – Nortech detail pictures

Professional China Cast Iron Swing Check Valve - Rubber Seat Dual Plate Check Valve – Nortech detail pictures


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We attempt for excellence, company the customers", hopes to be the top cooperation team and dominator company for personnel, suppliers and customers, realizes price share and continual marketing for Professional China Cast Iron Swing Check Valve - Rubber Seat Dual Plate Check Valve – Nortech, The product will supply to all over the world, such as: Vancouver, El Salvador, America, We have a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment.
  • This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Zoe from Morocco - 2017.03.08 14:45
    The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Phyllis from Lahore - 2018.09.16 11:31

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