... .5 FLANGE standard:ANSI size:1/2"-80" pressure: class150/300/600/900/1500/2500 materail: cs,ss ANSI B16.5 ... , slip on, blind, socket welding, threaded, lap-joint Pressure: 150#, 300#, 600#,900#,1500#, 2500# Wall thickness for welding neck flange ... Package: seaworthy plywood case, wooden pallet ANSI STANDARD FLANGE CLASS150/300/2500