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Swagelok Helsinki

Your Authorized Swagelok Sales and Service Center

Weld Fittings

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
  • Subsea 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 1000°F (537°C)
Material 316, 316L, 316L VIM-VAR stainless steels
End Connections
Types Micro-Fit® (miniature tube butt weld), tube butt weld, tube socket weld, pipe 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 482°F (250°C)
Material 2507 super duplex stainless steel
End Connections
Types Tube butt weld, male adapters, female connectors
Sizes 1/4 to 1 in.
Configurations Straights, elbows, tees, reducers

download catalogue 


"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.

⚠ Warning: Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.