Size:1/2"-40" Rating:ANSI 150Lb-2500Lb Material:WCB,LCB,WC6,WC9,C5,C12CF8,CF8M,CF3,CF3M,A105,LF2,F304,F316,F304L, F316L,F51 Design Standard:API 6D,BS 1868, ANSI B16.34 Face to Face Standard:ANSI B16.10 End Connection Standard:ANSI B16.5, ,ANSI B16.25 Test Standard:API 598, BS 6755 Structure Type:Bolted cover and swing type