Type: welding neck flange, slip on flange, lap joint flange, thread flange, slip on flange, blind flange,stainless flange 1. Type: welding neck flange, slip on flange, lap joint flange, thread flange, slip on flange, blind flange2. Material: carbon steel, stainless steel and alloy steel flange3.Standard: ANSI, JIS, BS, DIN,UNI, EN, GB, AWWA, API, MSS, LWN, Orifice, 8-Figure flange4. Size: OD up ...