Cast Steel Swing Check valves: Size:2"-30" Pressure ratings:ANSI Class 150-2500Lbs Body:WCB,WCC,CF8(304),CF8M(316L),CF3(304L),CF3M(316L),special low temp. steel and alloy steel etc. End conn.:RF,RTJ,BW Design, Manufacture & Marking: API6D,ASME B16.34 Test:API598
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