Double Disc Check Valve

Design Standard
Design and Manufacture Stand: API 594
End to End Dimension Standard: API6D
Flange End Dimension Standard: ANSI B16.5
Inspection and Test Standard: API 598

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Product Details

Wafer Type Dual Plate Swing Check Valve

Design Codes

Size Range	1.5" - 60" (DN40 - DN1500)
Pressure Rating For ASME	125LB,150LB,300LB,600LB,900LB. 1500LB,2500LB,Suit For ASME/MSS/API Flange
Pressure Rating For ISO	PN10,PN16,PN25,PN40,Suit For ISO Flange
Pressure Rating For JIS	5K,10K,20K,Suit For JIS Flange
Body Material	CI/DI/WCB/CF8/CF8M
Seat	NBR/EPDM/VITON/METAL(Same as Body)
Design Standard	API 594 and Manafacture's
End Facing	FF/RF

Main features

The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.

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