1.Material:Carbon steel A105/Q235/Stainless steel  304/304L,316/316L,ect
2.Size:1/2"-48"
3.Pressure:150lbs-2500lbs PN0.6-PN16.0
4.Facing:RF/RJ/ FF
5.Standard:ANSI(ASME)16.5 16.47/DIN/JIS/UNI/...
6.Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI 16.5 from 1/2" to 24" and classes 150 to 2500 (complete range)