... certificate ISO9001:2008,CE,API,GOST Basket Strainer ValveFeatures:Size:2"~24"Class:150LB.300LB, ... JIS B2220Inspection & Test:API598Other standards & custom-made availableMaterials:Cast steel:ASTM A216 WCB,WCA,WCCStainless steel:CF3,CF3M,CF8 ... LC3,LC4,LC9 We also provide various strainers:Y type strainer,Basket strainer,T type strainer, type strainer and self-cleaning strainer. Basket Strainer Valve