Cast steel lift check valves material specificationsBody: cast carbon steel, ASTM A216 Gr. WCBCover plate: Cast carbon steel, ASTM A216 Gr. WCBSeat ring: 13%Cr, Stainless steel, AISI 410Stopper: 13%Cr. Stainless steel, AISI 410Pin: stainless steel, AISI...
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