Sell Double plate check valve

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Product Name: Double plate check valve
Place of Origin: China
Feature:
1) Size:DN50-DN600
2) Double-door type
3) Materials:
a) Body:Cast Iron, Cast steel, Stainless Steel
b) Disc:Stainless Steel, Cast steel
c) Stem: Stainless Steel,
d) Seat: EPDM, NBR, VITON