... ANSI B16.5 Lap Joint Flange 2.Type:flange 2.Material:Stainless steel 3.Certification:ISO9001:2000 4.Size: 0.5-48 1.SS ANSI B16.5 ... .3. Standard:GB,JIS,BS,DIN.ANSI and Non standard,4. ANSI class :150,300,400,600,900, ... Blind flanges, Lap joint flanges, Welding neck flanges,Plate flange,7. Socket welding flanges and Treaded flanges. 8. ... -40K and so on .9. Sealing surface : FF ,RF, LJ, FM ,R.T.J ,R.J and so ...