Cast Iron Dual Plate Check Valve

Cast Iron Dual Plate Check Valve

dual type disc, epdm or nbr seat or integral seat etc.

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On-time Shipment
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ZhengFeng cast iron dual plate check valve is a kind of valve to prevent the reverse flow of pipeline media, mainly composed of valve body, valve seat, disc, cover and other related parts.Lift check valve with spring, to ensure that the role of the disc spring is always in the state of dynamic balance, no matter how the valve inlet medium pressure, the valve can maintain a balanced operation.


1. Design standard according to API 594, BS5352, ISO 15761;

2. Flange connection dimension according to ASME B16.5, ASME B16.47, MSS SP-44;

3. Wafer end dimension according to ASME B16.5;

4. Face-to-face dimension according to API 594, ASME B16.10, Manuf. Std.

Product Range:

Body material: carbon steel, stainless steel, alloy steel, etc.
Nominal diameter:1/2"~12"

Pressure range:Class150~2500(PN10~PN420)

End Connection: RF, Wafer, Lug

Working temperature:-29℃~+560



Valve Type

Cast Iron Dual Plate Check Valve

Valve Material

CI, DI, 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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