Threaded Fitting

Written by Matt Milbury. Posted in Pipe Fittings

  • 45 Elbow, 90 Elbow, Cross, Lateral, Tee
    • Class 2000 - for use with Sch. 80 pipe.
    • Class 3000 - for use with Sch. 160 pipe.
    • Class 6000 - for use with Sch. XXH pipe.
  • Half Coupling, Full Coupling, Reducer, Round Cap, Union. Hammer Lug Union
    • Class 3000 - for use with Sch. 160 pipe.
    • Class 6000 - for use with Sch. XXH pipe.
  • Bushing (Flush and Hexagon)
    • Bushings are not identified by class and can be used for all classes.
  • Plug (Hexagon Head, Round Head and Square Head)
    • Plugs are not identified by class and can be used for all three classes.
  • Dimensions and tolerances in accordance with ANSI/ASME B16.11 - Forged Fittings, Socket-Welding and Threaded
  • Specifications for carbon steel forgings in accordance with ASTM A105
  • Threads in accordance with ANSI/ASME B1.20.1. All internal and external threads shall be threaded with American National Standard Taper Pipe Threads.
  • FCS - forged carbon steel

Forged Fittings Socket and Threaded

Pressure Class2000300060009000
Socket Fitting - 80/XH 160 XXH
Threaded Fitting 80/XH 160 XXH -

Note:  Class designations correspond to the maximum cold working pressure of fittings in pounds force per square inch.

Threaded Fittings Size Range Covered by ANSI B16.11

Fitting2000300060009000
45 Elbow 1/8 - 4 1/8 - 4 1/8 - 4 -
90 Elbow 1/8 - 4 1/8 - 4 1/8 - 4 -
Bushing, Flush 1/8 - 4 1/8 - 4 1/8 - 4 -
Bushing, Hex 1/8 - 4 1/8 - 4 1/8 - 4 -
Cap, Round - 1/8 - 4 1/8 - 2 -
Coupling, Full - 1/8 - 4 1/8 - 4 -
Coupling, Half - 1/8 - 4 1/8 - 4 -
Cross 1/8 - 4 1/8 - 4 1/8 - 4 -
Lateral - 1/4 - 2 1/4 - 1 1/4 -
Plug. Hex Head 1/8 - 4 1/8 - 4 1/8 - 4 -
Plug, Round Head 1/8 - 4 1/8 - 4 1/8 - 4 -
Plug, Square Head 1/8 - 4 1/8 - 4 1/8 - 4 -
Reducer - 1/8 - 4 1/8 - 4 -
Street Ell - 1/8 - 2 1/8 - 2 -
Tee 1/8 - 4 1/8 - 4 1/8 - 4 -
Union - 1/8 - 3 1/8 - 2 -

Notes:

  • Plugs and bushings are not identified by class. They may be used for ratings up through Class 6000.
  • Dimension tolerances in accordance with ANSI/ASME B16.11 do no include laterals, reducers and unions.
  • Swages can be ordered in any combination of end.
  • Fittings with special dimensions, threads, or counterbores can be made by agreement between the manufacturer and purchaser. If the fittings meet all of the requirements of this Standard, they can be considered in compliance, provided they are appropriately marked.

Swage Nipple

Swage nippleSwage nipple