... yellow,galvanized We can supply various standard and material flanges FLANGE:WELDING NECK ,SLIP ON ,BLIND ,PLATE,THREADED,LAPPED ,SCREWDE, ... WELDING NECK FLANGE2)ANSI B 16.5 :WELDING NECK ,SLIP ON ,THREADED,LAP JOINT,SOCKET WELDING ,BLIND ,NO PLATE FLANGE ... ,South America and WEST Europe.the flanges and the pipefittings collection in th emost standard and material.We think the quality is the soul of ...