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Tube Fittings and Tube Adapters

Tube Fittings and Tube Adapters

Tube Fittings and Adapters

Swagelok tube fittings deliver a leak-tight, gas-tight seal in an easy-to- install, disassemble and reassemble form. The robust tube grip with patented, two-ferrule technology is resistant to vibration fatigue and withstands high pressures and temperature extremes. Learn about our Tube Fitting Installation Essentials Training here.  

Two-Ferrule, Mechanical Grip Design

The two ferrules separate sealing and tube gripping functions; each ferrule is optimized for its function. The front ferrule creates a seal against the fitting body and on the tubing outside diameter. As the nut is turned, the back ferrule axially advances the front ferrule and radially applies an effective tube grip

Advanced-Geometry, Hinging-Colleting Back Ferrule Design

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This design is standard on all 1/4 to 1/2 in. and 6 to 12 mm Swagelok stainless steel tube fittings to help installers make more consistent, leak-tight tube connections. In these sizes, a patented case hardening process and patented recessed and contoured geometry provide unique engineering to the Swagelok back ferrule. The hinging-colleting back ferrule design expands on the already robust performance of the traditional ferrule design.

Learn more about our testing of extreme conditions by viewing Swagelok Tube Fitting Extreme Testing.

Specifications

Pressure Ratings Up to 11 000 psig (760 bar)
Materials of construction Including stainless steel and other materials optimized for strength, corrosion-resistance, weldability and ductility
End Connections

   Types
NPT, ISO/BP, SAE/MS, AN, weld ends, port connectors, sanitary flanges, tube adapters
   Sizes
1/16 to 2 in.; 2 to 50 mm
Configurations
Straights, elbows, tees, crosses, caps, plugs, nuts and ferrules Chromatograph and Column End

Medium-Pressure, Gaugeable Tube Fittings and Adapter Fittings (FK Series)

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The simple two-piece design of the Swagelok patented medium-pressure tube fittings and adapters consists of a female fitting body and preassembled cartridge containing the male nut and color-coded front and back ferrules on a disposable plastic arbor. The preassembled cartridge ensures installers correct ferrule orientation, visual confirmation of ferrule presence, and easy and proper installation into the female body. The Swagelok medium-pressure tube fitting offers a leak-tight gas seal and vibration resistance in applications up to 20 000 psig (1378 bar).

Specifications

Pressure Ratings Up to 20 000 psig (1378 bar)
Temperature Ratings Up to 1000°F (537°C)
Materials of construction 316 Stainless Steel or Alloy 625
End Connections

   Types
Unions, NPT, medium-pressure cone and thread adapters, male SAE/MS, reducers, port connectors, tube adapters, caps, plugs
   Sizes
1/4, 3/8, 1/2, 9/16, 3/4 in.; 6, 10, 12 mm
Configurations
Straights, elbow, tees, cross
Other medium-pressure products available Medium-pressure ball valves, medium-pressure tubing

Cone and Thread Fittings (IPT Series)

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Cone and thread (C&T) connections provide dependable medium- and high-pressure performance. Cone & thread fittings can be manufactured to meet NACE MR0175/ISO 15156.  Antivibration connection components are also available. Learn about our Medium/High Pressure Cone and Thread Essentials Training here

Medium-Pressure

Specifications

Pressure Ratings Up to 20 000 psig (1378 bar)
Temperature Ratings Up to 1000°F (537°C)
Materials of construction 316 Stainless Steel
Alloy 2507
Alloy 625
End Connections

   Sizes
1/4 to 1-1/2 in.
Configurations
Straights, elbow, tees

High-Pressure

Specifications

Pressure Ratings Up to 60 000 psig (4134 bar)
Temperature Ratings Up to 1000°F (537°C)
Materials of construction 316 Stainless Steel
Alloy 2507
Alloy 625
End Connections

   Sizes
1/4 to 9/16 in.
Configurations
Straights, elbow, tees

High-Pressure Fittings (Sno-Trik Series)

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High-pressure fittings are designed for pressures up to 60 000 psig (4134 bar), with both tube and pipe connections available.

Specifications

Pressure Ratings Up to 60 000 psig (4134 bar)
Temperature Ratings Up to 1000°F (537°C)
Material

   Back ferrule
S17400 stainless steel
   All other components
316 stainless steel 
End Connections

   Types
Tube fittings, pipe threads, coned tube stub adapters, socket weld adapters
   Sizes
1/8 to 9/16 in. 
Configurations
Straights, elbow, tees

PFA Fittings—High-Purity Fine Thread Flare

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Swagelok offers a range of PFA fitting shapes and sizes, including high-purity fine thread flare and tube fittings in straight, elbow, and tee configurations for use with 1/8 to 1 in. tubing.

Specifications

Pressure Ratings Up to 275 psig (18.9 bar)
Temperature Ratings 70 to 400°F (20 to 204°C)
Material
Molded PFA/ASTM D3307 Type I
End Connection

   Sizes
1/8 to 1/2 in.
Configurations
Straights, elbows, tees, ferrules, caps, plugs, nuts

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.

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