DIN2631 PN6 A181 RF Long Weld Neck Flange

DIN2631 PN6 A181 RF Long Weld Neck Flange

Followings are the definition, information and application of  various types of flanges:

Weld Neck Flange Slip On Flange Blind Flange Threaded Flange
Plate/Plain Flange Socket Weld Flange Orifice Flange Spectacle Blind Flange
Lap Joint/Loose Flange Long Weld Neck Flange Reducing Flange Rolled-Forging Ring Flange
Flange-Olet Tube Sheet/Tubesheet Anchor Flange Non-Standard/Custom Flange

Long weld neck flange is a type of flange.We as a flange manufacture,mainly produces long weld neck flange,slip on flange,socket weld flange,blind flange,plate flange,threaded flange,lap joint flange etc.Our group production long weld neck flange is mainly according to ASME/ANSI B16.5,DIN 2631,DIN 2632,DIN 2633,DIN 2634,DIN 2635,UNI,EN 1092-1,BS 4504 standards.

DIN2631 PN6 A181 RF Long Weld Neck Flange

DIN2631 PN6 A181 RF Long Weld Neck Flange

DIN2631 PN6 A181 RF Long Weld Neck Flange Size:

1/2″-24″.DN15-DN600

A181 RF Long Weld Neck Flange Pressure:

DIN2631 flange pressure: PN6

DIN2632 flange pressure:PN10

DIN2633 flange pressure:PN16

DIN2634 flange pressure:PN25

DIN2635 flange pressure:PN40

DIN2631 PN6 A181 Long Weld Neck Flange Sealing Face:

Raised Face(RF),Flat Face(FF),Ring Type Joint(RTJ).

DIN2631 PN6 RF Long Weld Neck Flange Material:

Carbon steel: ASTM A105, A181, ASTM A516 GR.60, GR.70, ASTM A694 F42, F46, F52, F56, F60, F65, F70, ST37, ST45.8, C22.8, S235, S235JRG2, P235GH, P245GH, P250GH, P265GH, P355GH, S355J2, 16MN, 20MN, Q235, 20#, CT20, SS400.  

Stainless steel: ASTM A182 F304, F304L, F316, F316L, F321, F321H, F304H, F316H, F347H, 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, SUS304, SUS316.

Alloy Steel: ASTM A350 LF2, CL1/CL2, ASTM A182 F5, F9, F11, F12, F22, F91.

Duplex Steel: S31803  /  F51  /  S32205  /  F60  /  1.4462

Super Duplex: S32750  /  F53  /  1.4410  /  S32760  /  F55  /  1.4501

Haihao Group Flange Products Certificate:

BS EN10204 3.1 MTC,ABS,PED 97-23-EC,CE,ISO,API approved.

Haihao Group Flange Products Certificate

Haihao Group Flange Products Certificate

Hebei Haihao Group is professional in long weld neck flange and other types of flange more than 30 years.We have our own team and advanced technology to produce.If you have any requirements about the long weld neck flange or other flange products,welcome to contact us.

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