lap joint pipe flange 1.Size:1/2''- ... 3.Material:A105/304L/316L/LF2 4.ISO lap joint pipe flange1. Material: Carbon Steel, Stainless steel, Alloy ... blind flange, socket weld flange, threaded flange, lap joint flange, plate flange, reducing flange, spectacle blind flange ... 2''-24'' Flat Face, Raised Face, Ring Joint Face, Lap Joint Face, Male Face, Female Face, Tongue & ... B16.47 SERIES B lap joint pipe flange