... ,ASME B16.34Main products:1.1pc,2pc,3pc ball valve,gate valve,globe valve,sanitary valve,check valve,strainer etc.2.Pipe fittings:elbow 45,elbow 90 ... coupling: type A,B,C,D,E,F,DC,DP4.Forged fittings and flanges:butt-weld elbow,tee,cap,150-3000LBS ...