© 2006 Swagelok Company. Swagelok Medium-Pressure Tube Fittings ssures up to 15 000 psig (1034 bar)
Jan 09, 2016
© 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