Transcript Swagelokconfidential

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
Front Ferrule
Dynamic Wedge
Leak-Tight
Gas Seal
Female
Body
© 2006 Swagelok Company.
Back Ferrule
Tube Grip
Male Nut
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
• Low-temperature carburization
• Patented Swagelok heat treating
process
• Tool steel-like hardness
• Enhanced corrosion
resistance
• Improved wear
resistance
© 2006 Swagelok Company.
Low-Temperature Carburization
Increases the hardness of 316 SS more than 300 %
Hardness (HV25)
1200
900
600
300
0
10
20
30
Distance from surface (μm)
© 2006 Swagelok Company.
40
50
Corrosion Resistance
Pitting corrosion resistance similar to high nickel alloys
1600
1200
Potential (mV, SSC)
LTCSS
80
0
Pitting
Onset
400
316 SS
0
-400
1ⅹ10-11 1ⅹ10-9 1ⅹ10-7 1ⅹ10-5 1ⅹ10-2
Current Density (A/cm2)
© 2006 Swagelok Company.
1ⅹ10-1
Corrosion Resistance
Similar to nickel alloys
Untreated Specimen
LTCSS Carburized Specimen
ASTM G61 test for electrochemical pitting potential (Ep) in chloride solution
© 2006 Swagelok Company.
Carburization
Summary
Hinging and colleting action
Robust tube grip
Leak-tight gas seal
Vibration protection
Corrosion resistant
Wide variety of system media
Extraordinarily hard
Works on a wide range of tubing
materials and hardness
Austenite ductility with carbide-like
hardness
Wear resistant
Allows for remakeability
© 2006 Swagelok Company.
Dynamic Wedge
Assembly by torque
Gaugeable and remakeable
© 2006 Swagelok Company.
Assembly by Torque
Assembly versus Nut Displacement
Torque
Finite Element Analysis of Assembly
Nut Displacement
© 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
Product Test Reports (PTRs)
The big three:
Gas seal
Vibration resistance
Tube grip
European Integrated Hydrogen Project (EIHP) 12B
Continuous testing of randomly selected samples
from production
© 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
© 2006 Swagelok Company.