... flange 2) Standard: ASME, ANSI, API, JIS LAP JOINT FLANGES are primarily employed with lap joint stubs, the combined initial cost of ... -tenth that of welding neck flanges. The chief use of lap joint flanges in carbon or low alloy steel piping systems ... party inspection available upon request9) Different accessories are availablePacking:Wooden case, wooden pallet or as per customers' requirements ...