2 pc Stainless Steel Ball Valve 1)Third-Party Inspection 2)WCB,SS304/316/316L,1/ ... pc Stainless Steel Ball ValveTwo Piece Ball Valve Mounting Pad AvailableMaterial:SS304,304L,316,316L Size:1/4''-4'&DN6-DN100 Certificate:ISO9001:2000Working pressure:1000psi ... .Temperature range: -60 to 450 °F6.Blow-out proof stem, ball are made of ss316 or customer request7.100% leakage tested ...