... 2) Standard: ASME, ANSI, API, JIS, JPI, SLIP-ON FLANGES continue to be preferred to welding neck flanges ... Flanges are the connectors used in process piping to connect pipe to tees, elbows, valves, pumps and whatever other ... equipment may be necessary.3,Types: Flat Face Flanges, Slip On, Welding Neck, Blind, Threaded , etc.4,Water ... , wooden pallet or as per customers' requirements Slip-On Flange