Ptfe Seat Wafer Double Disc Check Valve

Product Application

Opening and closing parts by the media flow and power to open or close on their own, in order to prevent the backflow of the media called the check valve. Check valves are automatic valves, mainly for the medium one-way flow of the pipeline, allowing the media to flow in one direction, to prevent accidents.

Design Codes

Size Range	1.5"-36" (DN40-DN900)
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	Carbon steel, Stainless steel, Alloy steel, Bronze
Seat	NBR/EPDM/VITON/METAL(Same as Body)
Design Standard	API 594 and Manafacture's
End Facing	FF/RF

Structural Feature

1. Low volume, light weight, only 1/4~1/20 of those of traditional flanged check valve;

2. Integrated structure, simple and compact, in beautiful shape;

3. Smooth flow passageway and small fluid resistance;

4. Flexible action and good sealing performance;

5. Long service life and good reliability.

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Ptfe Seat Wafer Double Disc Check Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.