2 pcs ball valve with internal thread Size:1/4"-4" Material:304 316 316L Series: 1pc, 2pc, 3pc internal thread... 2 PCS Ball Valve Size:1/4"-4"Rating:CL150-CL2500 Materials:C.S,S.S,F.S Certificates:ISO9001:2000 & TSStainless Steel 2 PCS Ball ValvePressure: Class150-1500LB or PN16-PN160 or 10K-40KMaterial:WCB,LCB,CF8,CF8M,CF3,CF3M, A105,LF2,F304,F316,F304L,F316LDesign & Manufacture Std.: API608, ...