Adapter Fittings

Adapter Fittings

WorldWide Machining & Welding, Inc., is now manufacturing Adapter Fittings.

Field Application

Adapter Fittings can be used in a variety of applications to prevent thread damage and deformation of an existing, in-service thread-o-ring fitting.

Installation of an Adapter Fitting onto a thread-o-ring fitting, prior to installation of the valve, tapping machine or other attachment, will also ensure the ability to extract and insert the internal plug while preventing damage to the o-ring.


  • Machined out of a solid piece of hot rolled 4140 alloy steel and then heat treated to a designated Rockwell hardness.
  • Reusable and stamped with size, rating/class, material grade and heat number.
  • Material test reports provided for all fittings supplied.

Models Available

Size Class
2.0” ANSI 600
3.0″ ANSI 600

Custom sizes available upon request.

Download Spec Sheet (pdf)
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