CS ANSI B16.5 FLANGE SOCKET NECK standard:ANSI size:1/2"-80" pressure ... NECK ,SLIP ON ,BLIND ,PLATE,THREADED,LAPPED ,SCREWDE,SOCKET WELDING Standard: ANSI B16.5, ASME B16.47 FLANGE Size ... DN15 to DN2000 Design: welding neck, slip on, blind, socket welding, threaded, lap-joint Pressure: 150#, 300#, 600#,900 ... : seaworthy plywood case, wooden pallet ANSI STANDARD SOCKET FLANGE CLASS75/150/300/600/900/...