... ,AS4) Material:A105,Q235,WCB,CF8,CE8M,CF3,CF3M,etc.5) Type:Scoket-weld,Welding neck,slip on,etc6) Pressure Class ... ,5-30K,PNO.25-32Mpa7) Packing:plywood class,pallet or as pre customers request8) Special design available steel flange for Schwing concrete pump straight pipe ...