... 2) Standard: ASME, ANSI, API, JIS, JPI, SLIP-ON FLANGES continue to be preferred to welding neck flanges by ... many users on account of their initially lower cost, the reduced accuracy ... equipment may be necessary.3,Types: Flat Face Flanges, Slip On, Welding Neck, Blind, Threaded , etc.4,Water , Oil, ... wooden pallet or as per customers' requirements Slip-On Flange