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Swagelok Scotland

Your Authorised Swagelok Sales and Service Centre

Weld Fittings

Weld Fittings and Adapters

Weld Fittings

Shop Catalog
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

Subsea Weld Fittings

These fittings are specifically designed for the rigors of subsea applications with a range of materials offered and pressure ranges from 4,000 psig (275 bar) to 22,100 psig (1522 bar). All subsea weld fittings are NACE MR0175 / ISO 15156 compliant, and Alloy 2507 fittings are NORSOK M-630 and M-650 compliant. Weld tangent lengths from 3/4 to 2 inches are available to facilitate on-site repairs and reduce system downtime and scrap.

Pressure Ratings Up to 22 100 psig (1522 bar)
Temperature Ratings Up to 1000°F (537°C) – 316L and Alloy 625
Up to 482°F (250°C) – Alloy 2507
Material 316L, Alloy 2507, Alloy 625
End Connections
   Types Weld unions, weld to male ST (SAE/MS), weld to male AN (JIC), weld to cone and thread tube nipple adapter
   Sizes 1/4 to 1 in.
Configurations Straights, elbows, tees, reducers

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.

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."