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Weld Fittings

Weld Fittings and Adapters

Weld Fittings

Swagelok offers weld fittings in a variety of materials, sizes, and shapes to suit any industrial or high-purity application. Permanent, high-integrity connections provide strength and reliability in a range of alloys to meet your requirements for quality and corrosion-resistance.

Our selection includes:

  • Micro-Fit® High-Purity Tube Butt Weld Fittings
  • Pipe Socket weld Fittings
  • Tube Butt Weld Automatic Fittings
  • Tube Butt Weld Fittings
  • Tube Socket Weld Automatic Fittings
  • Tube Socket Weld Fittings
  • Weld Adapter Fittings


Weld Fittings—Ultrahigh-Purity, Specially Cleaned, and Industrial Weld Fittings

Pressure Ratings Up to 12 600 psig (868 bar )
Temperature Ratings Up to 482°F (250°C)
Material 316, 316L, 316L VIM-VAR stainless steels
End Connections
   Types Micro-Fit® (miniature tube butt weld), tube butt weld, tube socket weld,pip socket weld pipe butt weld
   Sizes 1/8 to 1 in.; 6 to 18 mm
Configurations Straights, elbows, tees, crosses, reducers, adapters

Super Duplex Weld Fittings

Pressure Ratings Up to 26 200 psig (1810 bar)
Temperature Ratings Up to 600°F (315°C)
Material 2507 super duplex stainless steel
End Connections
   Types Tube butt weld, male adapters, female connectors
   Sizes 1/4 to 1 in.

Straights, elbows, tees, reducers

View and purchase our most widely used products.

Discover more about how Swagelok products can work for you. Browse our catalogs or locate a sales and service center.

"Safe Product Selection: The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Do not mix or interchange product components with those of other manufacturers."