brass compression ball valve Size:2"-32" Rating:CL150-CL2500 Materials:C.S,S. ... ,CF8,CF8M,CF3,CF3M, A105,LF2,F304,F316,F304L,F316LDesign & Manufacture Std.: API608, ASME B16.34, API6D, BS5351 Face to Face ... Date:2011-03-09 19:13:38 brass compression ball valve