Slip On Flange:pipe flange, stardard:ISO,ASTM,ASME,API,MSS,EN,BS,DIN,JPI, ... steel.stainless steel,carbon ste High Quality Slip On Flange 1. Type: welding neck flange, slip on flange, lap joint flange, thread flange, blind flange, 8-blind flanges, orifice flanges ,plate ...