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5 IN Socket Welded Coupling ASME B16.11 Pipe Fittings

5IN socket welded coupling is a commonly used forged fitting in piping systems.ASME B16.11 pipe fittings are forged pipe fittings including SW fittings and THD fittings.Socket welded coupling can socketed with the pipes and then welded on pipes.

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5in socket welded coupling means the coupling can socket with pipes by one or both ends. It is a commonly used accessory for industrial pipe connections.ASME B16.11 pipe fittings are forged fittings manufactured according to American Standard.


Socket Weld(SW) fittings are high pressure fittings which are used in the pipe system,and only in conjunction with ASME pipes.SW fittings have same ranges of size(1/8”-4”) and pressures(2000lb,3000lb,6000lb,9000lb).



Full Coupling: Both ends of coupling can socket with pipes.

Half Coupling: One end of a half coupling is socketed and the other end is welded.



Straight: It is a kind of pipe coupling with the same diameter at both ends.

Reducing: The two ends of the coupling have different sizes



Shape Coupling
Size Range 1/8″ –  4″ / DN6 – DN100
Pressure Rating Class 3000lbs, 6000lbs, 9000lbs
Standard ASME B16.11, BS3799, EN 10241, MSS SP-83, MSS SP-97
Carbon Steel ASTM A105 / A105N, ASTM A350 LF2/LF3, ASTM A694 F42 / 46 / 56 / 60 / 65, P235GH, P265GH, P280GH, P355GH
Alloy Steel ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22
Stainless Steel ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317, 347, 904L,1.4404, 1.4437.
Duplex Stainless Steel ASTM A182 F51, F53, F44



They are widely used in various industries, including chemical processing, petroleum, refining, marine waste treatment, utilities / power generation, industrial equipment, natural gas compression and distribution industries.




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