... standard and material. FLANGE: WELDING NECK ,SLIP ON ,BLIND ,PLATE,THREADED,LAPPED ,SCREWDE,SOCKET WELDING PRESSURE: 1. ANSI B 16 ... OIL,YELLOW PAINT,GALVANIZED ,BLACK. PACKAGE: PLYWOODEN CASE PACKAGE,,WOOD PALLET PACKAGE Remark: 1)GOST 12820:PLATE FLANGE GOST 12821 :WELDING ... ON ,THREADED,LAP JOINT,SOCKET WELDING ,BLIND ,NO PLATE FLANGE 4) DIN :PLATE,WELDING NECK ,BLIND ,SCREWED,LAPPED 5) EN1092 ,BS ...