... , slip on flange, lap joint flange, thread flange, slip on flange, blind flange 1. Type: welding neck flange, slip on flange, lap joint flange, thread flange, slip on ... flange3.Standard: ANSI, JIS, BS, DIN,UNI, EN, GB, AWWA, API, MSS, LWN, Orifice, 8-Figure flange4. Size: OD up to ...