... standard:ANSI size:1/2"-80" pressure: class150/300/600/900/1500/2500 materail: cs,ss ANSI B16.5 Standard flange ... , blind, socket welding, threaded, lap-joint Pressure: 150#, 300#, 600#,900#,1500#, 2500# Wall thickness for welding neck flange: STD, SCH40 ... , wooden pallet ANSI STANDARD SOCKET FLANGE CLASS75/150/300/600/900/...