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Slip-on Flange

Compared with common slip-on-welding flange, hubbed slip-on flange has a short neck, which increases the strength and loading capacity of the flange. Therefore, it can be used on pipelines with higher pressure. On the other hand, it is more expensive than regular plate welding flange. With a neck, the flange is easier to bump against each other during transportation.

Available Sizes
3/8"~40", DN10~DN1000

GB/T9112-2000, GB/T9116.1-2000, GB/T9116.2-2000, GB/T9116.3-2000, GB/T9116.4-2000, GB/T9124-2000
GD2000, GD87-1101
HG/T20592-2009, HG/T20614-2009, HG/T20615-2009, HG/T20623-2009, HG/T20635-2009
ASME B16.5-2009
EN1092-1-2007, EN1759-1-2004
BS1560-3.1-1989, BS4504-3.1-1989
AFNOR NF E29-200-1-2007
JIS B2220-2004

Raw Materials
Carbon steel: A105
Alloy steel: A182 F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22
Stainless steel: A182 304-304H-304L-304N-304LN 316-316H-316L-316N-316LN 321-321H 347-347H
Low-temperature steel: A522 A707 Grade L 1-L 2-L 3-L 4-L 5-L 6-L 7-L 8
High-performance steel: A694 F 42-F 46-F 48-F 50-F 52-F 56-F 60-F 65-F 70

Pressure Grade
American System: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500
European System: PN 6, PN 10, PN 16, PN 25, PN 40, PN63, PN 100

Flange Facing
American System: Flat Face (FF), Raised Face (RF), Tongue Face (T), Groove Face (G), Female Face (F), Male Face (M), Ring Joints Face (RJ)
European System: Flat Face, Raised Face, Tongue Face, Groove Face, Female Face, Male Face, Ring Joints Face

Producing Process
Cutting of Raw Material --- Die Forging --- Machining

The flange is widely used in many areas such as power generation plant, petroleum industry, natural gas system, chemical industry, shipbuilding industry, heating system, paper-making industry, metallurgy industry, etc.

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