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Short Description:

 Metal seat plate check valve,double door check valve

DN50-DN1200,2″-48″

PN10/PN16/PN25/PN40/PN63/PN100,Class150/300/600/900/1500/2500

Face to face to API594/ISO5752/EN558-1 series 16

Flange ASME B16.5,ASME B16.47,EN1092-1 

NORTECH is one of the leading China metal seat plate check valve Manufacturer & Supplier.


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What's metal seat plate check valve ?

Metal seat 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.

The   metal seat plate check valve 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 for low pressure and normal temperature,with wonderful sealing performance.

Main features of metal seat plate check valve

Main features of metal seat dual plate check valves:

  • *Light Weight , easier handling and self supporting.
  • *More compact and structurally sound design.
  • *Same valve can be installed horizontally or vertically.
  • *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.
  • *Long time and trouble-free operation.
  • *Suitable for severe working conditions.

Technical specifications of metal seat plate check valve

Technical specifications:

Design and manufacture API594
Nominal diameter 2"-48",DN50-DN1200
End connection Wafer,Lug,Flange
Pressure rating Class150-300-600-900-1500-2500,PN10-16-25-40-63-100-250-320
Body Carbon steel,Stainless steel,Duplex stainless steel,Alloy steel,Bronze
Disc Carbon steel,Stainless steel,Duplex stainless steel,Alloy steel,Bronze
Seat Metal to metal,Carbon steel,Stainless steel,Alloy steel,with hard faced
Spring Stainless steel,Inconel X750
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Application of metal seat plate check valve

This kind of  Metal seat plate check valve  is widely utilized in pipeline with liquid & other fluids. 

  • *General Industrial
  • *Oil and Gas
  • *Chemical/Petrochemical
  • *Power and Utilities
  • *Commercial Applications

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