Type :SLIP-ON, WELDING NECK,SOCKET WELDING,THREADED,LAP JOINT,BLINDSeal SurfaceFF,MFStandard: JB86-59 JB/T86.1-86.2-94 GB9123.1-9123.36-88 HGJ61-65-91 HG5028-58 HG20601-97 HG20622-97 SYJ4-64 SH3406-97 ANSI B16.5 JPI DIN2527Nominal pressure :PN0.6 - 10.0 150Lb - 2500LbMaterial :Carbon,alloy,stainless steel