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Fitting Specification, ASME

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The following is based on ASME B16.11 - Forged Fittings, Socket-Welding and Threaded.

Forged Fittings, Socket and Threaded

Pressure Class

2000

3000

6000

9000

Socket Fitting

-

80/XH

160

XXH

Threaded Fitting

80/XH

160

XXH

-

Socket fittings covered by ASME B16.11

Fitting

2000

3000

6000

9000

45 Elbow

-

Yes

Yes

Yes

90 Elbow

-

Yes

Yes

Yes

Tee

-

Yes

Yes

Yes

Cross

-

Yes

Yes

Yes

Lateral

-

Yes

Yes

-

Reducer

-

-

-

-

Coupling

-

-

-

-

Round Cap

-

Yes

Yes

Yes

Union

-

Yes

Yes

-

Note: Class 6000 socket fitting sizes NPS 2 1/2" and larger are not included in ANSI/ASME B16.11.

 Threaded Fittings covered by ASME B16.11

Fitting

2000300060009000

45 Elbow

Yes

Yes

Yes

-

90 Elbow

Yes

Yes

Yes

-

Tee

Yes

Yes

Yes

-

Cross

Yes

Yes

Yes

-

Street Ell

-

Yes

Yes

-

Lateral

Yes

Yes

Yes

-

Reducer

-

Yes

Yes

-

Half Coupling

-

Yes

Yes

-

Full Coupling

-

Yes

Yes

-

Hex Bushing

-

-

-

-

Round Cap

-

Yes

Yes

-

Round Hex Plug

-

-

-

-

Hex Head Plug

-

-

-

-

Square Head Plug

-

-

-

-

Flush Bushing

-

-

-

-

Union

-

Yes

Yes

-

Notes:

  • Dimension tolerances in accordance with ANSI/ASME B16.11 do not include street elbows and laterals.
  • Threaded plugs and bushings are not rated and can be used through Class 6000.
  • Swages can be ordered in any combination of end.

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