GOST 12821-80 Pn10 Pn16 Pn25 Pn40 Welding Neck Flanges

GOST 12821-80 Pn10 Pn16 Pn25 Pn40 Welding Neck Flanges

A flange welding neck PN16 consists of a circular joint with protruding flanges on a circumference, usually made from forgings, which are usually butted with pipes and can bare 16kg pressure.
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Welding Neck Flange PN16
A flange welding neck PN16 consists of a circular joint with protruding flanges on a circumference, usually made from forgings, which are usually butted with pipes and can bare 16kg pressure.The rim of welding neck flange rim has a series of holes that allow flanges to be bolted to another flange. This flange is suitable for use in harsh environments with extreme temperatures, pressures, or other stress.
Welding Neck Flange usually have a raised face, flat face, or RJT face. When a raised face weld flange is necessary, the standard height is 1/16 inch for weld Flanges less than 400 #. For WN pipe flanges more than 400#, the standard raised face height is 1/4 inch.

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Key Specification:
Name: Welding Neck Flange PN16
Flange Standards: ANSI B16.5, ASME, AWWA, DIN 2633
DIN Standard for weld neck flange:
DIN 2631 PN6
DIN 2632 PN10
DIN 2633 PN16
DIN 2634 PN25
DIN 2635 PN40
Size: 1/2-24 Inch (DN15-DN600)
Schedule: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH80, XXS
Pressure Class: PN16
Sealing Face: RF, MFM, TG, RJ, FF


Material:
Carbon Steel: ASTM A105/ A105N , 350
Stainless steel: A182 F304/F304L/F316/F316L/F321
Alloy steel: ASTM A182 F1, F5, F9, F11, F22, F91


Metleader Flange packing and shipping process

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Application:
Applied in the key projects of the industries including petroleum, chemical industry, electric power, shipbuilding, paper making, pharmaceutical, oil transportation and gas pipeline.


We continue to develop and make unremitting efforts to perfectly combine accurate market positioning with efficient marketing and communication. We are committed to the research and development of GOST 12821-80 Pn10 Pn16 Pn25 Pn40 Welding Neck Flanges to create the greatest economic benefits for customers. We adhere to the standard management, exquisite construction technology as the basis, we serve customers as the center and provide customers with a full range of intimate services. Our market share in similar brands accounts for a large part and it is the most influential brand in the industry.

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