Flange 1)Type:weld neck, slip on, flat, lap joint, socket, blind, thread 2)Standard;ANSI,ASTM,DIN,JIS,UNI 3) ... flange, slip on flange, screwed flange, blind flange, lap jointflange, socket-welding flange3) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI ...