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Thearded Elbow Coupling ASME B16.11 Fittings

Threaded elbow and coupling are used thread type to connect the pipes to trsnsport flow in piping system.THD fittings are belong to forged fittings,ASME B16.11 fittings are American Standard for forged fittings.

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Threaded fittings are inculding Elbow,Tee, Cross, Coupling, Cap, Swage Nipple, Bushing, Plug, Nipple, Union, Hex Nipple,Threadolet. Threaded fittings are belong to forged fittings,ASME B16.11 fittings are represents all forged fittings in American Standard.


Threaded Elbow

A pipe Threaded Elbow is actually a fitting that is being installed in between the two lengths of tube or a pipe to allow in changing the direction of a flow. The change in the direction is done generally in the 45°or 90°route. Forged Threaded Pipe Fittings Elbow also provides an eternal welded connection for essential applications.



90 degree elbow: These elbows can change the direction of the pipe by 90 degrees.

45 degree elbow: These Threaded Elbows make 45°changes of direction in the run of the pipe.



Straight elbow: The diameter of both ends of these elbows is the same.

Reducing elbow: A reducing elbow is a type of fitting which is used to join two pieces of pipe of different sizes.



  1. Easy to install.
  2. Firm and durable.
  3. Corrosion resistance.



Forged threaded elbows are very common in chemical, oil refining, petrochemical and other industries, and are also used in some other industries.


Threaded Coupling

Threaded coupling means the coupling has threads at one or both ends. It is a commonly used accessory for industrial pipe connections.



Full Coupling: Both ends of the full thread coupling are threaded.

Half Coupling: One end of a half thread coupling is threaded 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



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.



Shape Elbow, Coupling
Size Range 1/8″ –  4″ / DN6 – DN100
Pressure Rating Class 2000lbs, 3000lbs, 6000lbs
Thread Type NPT, PT, BSPP, BSPT, PF
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



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