The JIS B2220 flanges products are widely used in Industry field, like Oil, Gas & Petrochemical, Energy & Power plant, Chemical industrial, Shipbuilding & Offshore Development.
JIS 2220 standard covers Steel Pipe Flanges from DN10 through DN1500 in pressure 5K to 63K.
FLANGE TYPE:
Slip-on welding flange(plate flange),Slip-on welding flange(hubbed flange),Socket welding flange,Welding neck flange,Lap joint flange,Threaded flange,Integral flange,Blank flange.
MATERIAL:
JIS G 3201 SF 390A,JIS G 3202 SFVC,JIS G 4051 S 20 C,JIS G 3201 SF 440A,JIS G 4051 S 25 C,JIS G 3202 SFVC 2A,JIS G 3203 SFVA F1,JIS G 3203 SFVA F11A,JIS G 3214 SUS F304,JIS G 3214 SUS F316,JIS G 3214 SUS F304L,JIS G 3214 SUS F316L.
SURFACE TREATMENT:
Epoxy Coated,Coated With Anti-Rust Oil Coating,Transparent paint,Black Paint,Electrogalvanizing,Hot dip galvanizing,Powder coating.
END FLANGE FACINGS:
Full Face,Raised Face,Male seat face,Female seat face,Tongue face,Groove face.
CONNECTION TYPE:
Welding,Threaded,Lap joint.
PRODUCTION TECHNIQUE:
Free forging flange,Die forging flange,Plate cutting flange,Ring rolling forging flange,Casting flange.