... galvanized We can supply various standard and material flanges FLANGE:WELDING NECK ,SLIP ON ,BLIND ,PLATE,THREADED,LAPPED ... FLANGE2)ANSI B 16.5 :WELDING NECK ,SLIP ON ,THREADED,LAP JOINT,SOCKET WELDING ,BLIND ,NO PLATE ... standard and material.We think the quality is the soul of an enterprise,so we put the ... products,please don’t hesitate to contact us and it will very appreciated to get news from you ...