Dual Plate Check Valve

Dual Plate Check Valve

ZhengFeng's dual plate check valves are intended for high pressure, high temperature applications in all types of fluid except where severe.

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Dual plate check valves design and manufacture according to API 594 and E101 standards of reasonable structure, excellent performance, beautiful shape.


1. The cavity of the valve adopts pressure self-tightening sealing structure, the higher the medium pressure, the better the sealing performance;

2. The two ends of the branch pipe are welded to meet different requirements of the pipe

3. The sealing surface of valve disc and valve seat is welded by stellite hard alloy, which has good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life;

4. The disc rotates around the pin outside the seat to reduce the impact of closing;

5. Built-in pin shaft structure, reduce leakage point, more reliable use.

Product Range:

Body material: carbon steel, stainless steel, alloy steel, etc.
Nominal diameter:1/2"~48"

Pressure range:Class150~2500(PN10~PN420)

End Connection: Wafer, Lug, RF

Working temperature:-29℃~+560



Valve Type

Dual Plate Check Valve

Valve Material

carbon steel, stainless steel, alloy steel, etc

Valve Test

100% quantity tested before delivery

Valve Guarantee

18 months from the date of dispatch ex works,   or 12 months from date of commodity installation.

Valve Painting

Customer request

Valve Package

Wooden case


No requirement

Valve Certificate

API 6D/CE/ISO9001/ISO14001

Delivery Detail

Shipped in 4 or 6 weeks after payment



Payment Terms


Certificate Offered

Packing List,Commercial   Invoice,Test Reports and Material Certificates,Certificate   of quality and quantity, Seller’s Certificate of Guarantee

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