Size: 2"-40" (investment cast) Pressure ratings: ANSI Class 150-2500Lbs Body: WCB,CF8(304),CF8M(316),CF3(304L),CF3M(316L), special low temp. steel, alloy steel End conn.: RF,RTJ,WNF,BW Design,Manufacture & Marking: API6D, ASME B16.34 Test: API598 Wooden case