© 2006 Swagelok Company.

Swagelok Medium-Pressure Tube Fittings

Pressures up to 15 000 psig (1034 bar)

© 2006 Swagelok Company.

Product Features Reliable leak-tight installation and reassembly

Gas seal Small molecule applications Variety of applications

Cold-drawn 1/8-hard tubing Heavy-wall annealed tubing

Quick and easy installation Assembly by one full turn Can also be assembled by torque Gaugeable Cartridge assembly

© 2006 Swagelok Company.

Tube Fitting Specifications Working Pressure

Vacuum to 15 000 psig (1034 bar)

Temperature range – 40 to 1000°F (– 40 to 537°C)*

316 stainless steel construction

*Elevated temperature factors apply

© 2006 Swagelok Company.

Leak-Tight Seal

Male NutFemale

Body

Dynamic Wedge

Leak-Tight Gas Seal

Front Ferrule

Back Ferrule

Tube Grip

© 2006 Swagelok Company.

Medium-Pressure Tube Fitting Hinging and Colleting Action

© 2006 Swagelok Company.

Medium-Pressure Tube Fitting Hinging and Colleting Action

Tube Grip

© 2006 Swagelok Company.

Medium-Pressure Tube Fitting Hinging and Colleting Action

Gas Seal

© 2006 Swagelok Company.

Medium-Pressure Tube Fitting Hinging and Colleting Action

Vibration

Resistance

© 2006 Swagelok Company.

Surface Carburization Technology

• Enhanced corrosion resistance

• Tool steel-like hardness

• Patented Swagelok heat treating process

• Low-temperature carburization

• Improved wear resistance

© 2006 Swagelok Company.

Increases the hardness of 316 SS more than 300 %Low-Temperature Carburization

Har

dn

ess

(HV

25)

Distance from surface (μm)

10 20 30 40 500

300

600

900

1200

© 2006 Swagelok Company.

Pitting corrosion resistance similar to high nickel alloys

Corrosion Resistance

1 10ⅹ -11 1 10ⅹ -9 1 10ⅹ -7 1 10ⅹ -5 1 10ⅹ -2 1 10ⅹ -1

-400

0

400

800

1200

1600

Current Density (A/cm2)

Po

ten

tia

l (m

V,

SS

C)

LTCSS

316 SS

Pitting Onset

© 2006 Swagelok Company.

Corrosion Resistance

Untreated Specimen LTCSS Carburized Specimen

ASTM G61 test for electrochemical pitting potential (Ep) in chloride solution

Similar to nickel alloys

© 2006 Swagelok Company.

Carburization

Hinging and colleting action Robust tube grip

Leak-tight gas seal

Vibration protection

Corrosion resistantWide variety of system media

Extraordinarily hardWorks on a wide range of tubing materials and hardness

Austenite ductility with carbide-like hardness

Wear resistantAllows for remakeability

Summary

© 2006 Swagelok Company.

Dynamic Wedge

Assembly by torque

Gaugeable and remakeable

© 2006 Swagelok Company.

Assembly by Torque

Nut Displacement

To

rqu

e

Assembly versus Nut DisplacementFinite Element Analysis of Assembly

© 2006 Swagelok Company.

Preassembled Cartridge

Correct ferrule and nut orientation

Proper installation into the body

Visual confirmation that both ferrules are present

© 2006 Swagelok Company.

Medium-Pressure Ferrules

Visually distinct

Color-coded for visual distinction

Industry standard for hydrogen

Patented low-temperature case hardened

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Cartridge Assembly

© 2006 Swagelok Company.

Installation

© 2006 Swagelok Company.

Product Offering

Fittings and adapters

1/4, 3/8, and 1/2 inch sizes

Straights and shapes

© 2006 Swagelok Company.

Product Testing

The big three: Gas seal

Vibration resistance

Tube grip

European Integrated Hydrogen Project (EIHP) 12B

Continuous testing of randomly selected samples from production

Product Test Reports (PTRs)

© 2006 Swagelok Company.

Summary

Easy installation – no special tools required

Assembly by one full turn or torque

Leak-tight gas seal with initial installation and with each reassembly

Consistent gaugeability upon initial installation

Simple two-piece construction, body and cartridge

Leak-tight performance on heavy-wall annealed or cold-drawn 1/8-hard stainless steel tubing