UNI sets industry standards for quality assurance and safety, including flange materials requirements and pressure and temperature rating.UNI standard covers Steel Pipe Flanges from DN10 through DN600 in pressure PN6 to PN140
FLANGE TYPE:
UNI 2276 PN 6 Flat Plate Flange,UNI 2277 PN 10 Flat Plate Flange,UNI 2278 PN 16 Flat Plate Flange,UNI 6084 PN 40 Flat Plate Flange,UNI 6091 PN 6 Blind Flange,UNI 6092 PN 10 Blind Flange,UNI 2277/29 PN 10 RF Flat Plate Flange,UNI 2278/29 PN 16 RF Flat Plate Flange,UNI 6089 PN 10 Loose Flange,UNI 6090 PN 16 Loose Flange.
MATERIAL:
ASTM A105，ASTM A350 Gr. LF2，ASTM A350 Gr. LF6 Cl.1，ASTM A350 Gr. LF3，ASTM A350 Gr. LF6 Cl.2，ASTM A350 Gr. LF1 Cl.1，ASTM A182 Gr. F1，ASTM A182 Gr. F2，ASTM A182 Gr. F11 Cl.2，ASTM A182 Gr. F22 Cl.3，ASTM A182 Gr. F5a，ASTM A182 Gr. F9，ASTM A182 Gr. F91，ASTM A182 Gr. F12 Cl.2，ASTM A182 Gr. F5，ASTM A182 Gr. F92，ASTM A182 Gr. F304，ASTM A182 Gr. F304H，ASTM A182 Gr. F316，ASTM A182 Gr. F316H，ASTM A182 Gr. F317，ASTM A182 Gr. F304L，ASTM A182 Gr. F316L，ASTM A182 Gr. F317L，ASTM A182 Gr. F321，ASTM A182 Gr. F321H，ASTM A182 Gr. F347，ASTM A182 Gr. F347H，ASTM A182 Gr. F348，ASTM A182 Gr. F348H，ASTM A182 Gr. F310，ASTM A182 Gr. F44，ASTM A182 Gr. F51，ASTM A182 Gr. F53，ASTM A182 Gr. F55，ASTM B462 Gr. N08020，ASTM B564 Gr. N02200，ASTM B564 Gr. N04400，ASTM B564 Gr. N06600，ASTM B564 Gr. N08800，ASTM B462 Gr. N10665，ASTM B462 Gr. N10675，ASTM B462 Gr. N10276，ASTM B564 Gr. N06625，ASTM B564 Gr. N08825，ASTM B462 Gr. N06022，ASTM B462 Gr. N06200，ASTM B572 Gr. R30556，ASTM A479 Gr. N08904，ASTM B462 Gr. N08367，ASTM B564 Gr. N08031，ASTM B462 Gr. N06030，ASTM B462 Gr. N06035，ASTM B564 Gr. N08810，ASTM B511 Gr. N08330，ASTM B564 Gr. N06230
SURFACE TREATMENT:
Epoxy Coated,Coated With Anti-Rust Oil Coating,Transparent paint,Blue Paint,Black Paint,Yellow Paint,Electrogalvanizing,Hot dip galvanizing,Powder coating,Electropolishing,Dacromet.
END FLANGE FACINGS:
Raised Face,Flat Face.
CONNECTION TYPE:
Welding,Lap joint.
FLANGE TECHNICAL:
Free forging flange,Die forging flange,Plate cutting flange,Ring rolling forging flange,Casting flange.