Fittings - Swagelok

By: Brooks Valve & Fitting  09-12-2011
Keywords: Tubing, Vacuum Service, Tube Fittings

The live-loaded, two-ferrule tube fitting is easy to install, with no torque transmitted to tubing during installation. The Swagelok gap inspection gauge ensures sufficient pull-up upon initial installation.


Pressure Ratings
End Connections
• Types • Sizes

Up to 11 000 psig / 760 bar
316 stainless steel, brass, carbon steelNPT, ISO/BSP, SAE/MS, AN, weld ends, port connectors, sanitary flanges, tube adapters
1/16 to 2 in.; 2 to 50 mm
Straights, elbows, tees, crosses, caps, plugs, nuts, ferrules

The Swagelok medium-pressure tube fittings offer a leak-tight gas seal and vibration resistance in applications up to 15 000 psig (1034 bar).

Pressure Ratings
Temperature Ratings
End Connections
• Types• Sizes

Up to 15 000 psig (1034 bar)
Up to 1000°F (537°C)
316 stainless steelUnions, NPT, medium-pressure cone and thread adapters, male SAE/MS, reducers, port connectors, tube adapters, caps, plugs
1/4, 3/8, 1/2, 9/16, 3/4 in.; 6, 10, 12 mm
Straights, elbow, tees, cross

Other Medium-Pressure Products

Medium-pressure ball valves

Medium-pressure tubing

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


Pressure Ratings
• Back ferrule
• All other components
End Connections
• Types

• Sizes

Up to 60 000 psig (4134 bar)S17400 stainless steel
316 stainless steelTube fittings, pipe threads, coned tube stub adapters, socket weld adapters
1/8 to 9/16 in.
Straights, elbows, tees

Swagelok® stainless steel, brass, carbon steel pipe fittings are available in 1/16 to 1 in.sizes for a variety of applications. Swagelok also offers gaugeable alloy 400/R-405 mechanically attached pipe fittings that are ASTM F1387-qualified for shipboard use.

Swagelok offers weld fittings, in a variety of materials, sizes, and shapes to suit any industrial or high-purity application.

  • Ultrahigh-purity, specially cleaned, and industrial
  • SAF 2507™ super duplex
  • Vacuum service
  • Stainless steel tubular fittings

Swagelok­­ BPE series fittings are offered in up to 6 in. sizes in a variety of configurations and can be ordered with inspection by an independent, third-party service to verify compliance with ASME-BPE requirements. Swagelok TS series biopharm fittings feature controlled gasket compression to prevent gasket extrusion and fluid holdup.

Swagelok stainless steel sanitary fittings are available with 3-A–compliant, ISO 2852-compatible sanitary clamp connections, as well as a variety of specialty end connections in 1/2 to 12 in. sizes.


Surface Finish
Fitting TypesConfigurations

304 and 316L stainless steel
1/2 to 12 in.
32 µin. (0.81 µm), inside and outside; unpolished
• Sanitary Kwik-Clamp
• Sanitary and industrial tube butt weld
• Sanitary Acme threaded and
plain bevel seat
• PV threaded
• APV K-clamp
• John Perry
• Interlock
Ferrules, caps, elbows, tees, crosses, Ys, reducers, adapters, flanges

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.

Other Plastic Products

PFA tubing

PFA plug valves

PFA needle valves

UHP fluoropolymer diaphragm valves

UHP fluoropolymer check valves


Working Pressure

Up to 275 psig (18.9 bar)
70 to 400°F (20 to 204°C)
Molded PFA/ASTM D3307 Type I
1/8 to 1/2 in.
Straights, elbows, tees;
ferrules, caps, plugs, nuts


  • Visual indication of proper pull-up:
    • no gap between body hex and hex nut
    • hex flat alignment.
  • Smooth, molded internal wetted surfaces reduce potential for system contamination.
  • Grooved tubing allows for higher working pressure.
  • Wrench make-up avoids the potentially unsafe practices of hand make-up and disassembly.


  • Groove cutters groove PFA tubing for use with Swagelok PFA tube fittings.
  • A tube cutter for plastic tubing up to 1 in. outside diameter is available.

Swagelok® VCO O-ring face seal fittings are designed for rapid assembly in pipe, tube, and welded systems. The “B” Type VCO fitting, for applications in biotechnology and pharmaceutics, uses an L-ring seal that eliminates concavity at the bore.


Pressure Ratings
Temperature Ratings
• Bodies, glands, nuts
• ATW fittings
• O-rings
End Connections
• Type • Size

Up to 15 400 psig (1061 bar)
Up to 400°F (204°C) 316 stainless steel
316L stainless steel
Fluorocarbon FKM Swagelok tube fitting, weld, NPT, male SAE/MS
1/8 to 1 in.
Glands, bodies, straights, elbows

VCR face seal fittings offer the high purity of a metal-to-metal seal, providing leak-tight service from vacuum to positive pressure. The seal on a VCR assembly is made when the gasket is compressed by two beads during the engagement of a male nut or body hex and a female nut.


Pressure Ratings
Temperature Ratings
• Glands, bodies, nuts
• Gaskets
End Connections
• Types• Sizes

Up to 11 200 psig (771 bar)
Up to 1000°F (537°C)316, 316L, 316L VAR stainless steels
316L stainless steel, nickel, copperWeld, NPT, male straight thread, Swagelok tube fitting
1/16 to 1 in.; 6 to 18 mm
Glands, bodies, welded assemblies, straights, elbows, tees, crosses, reducers, adapters

Keywords: End Connections, Tube Fittings, Tubing, Vacuum Service,

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