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Aluminum Vacuum Products
Bimetallic Transition Couplings
Thermal & Magnetic Performance Products

Bimetallic Transition Couplings (BCT): Bonded Aluminum Stainless Cryogenic Joints

Cryogenic Transition Joints:

Aluminum Stainless Bimetallic Transition Couplings: SCH. 80Al/40SS
Bimetallic Transition Coupling Explosive Bonded Aluminum Stainless Cryogenic Joint with dimensions Bimtallic transition joint: aluminum stainless coupling for cryogenic use
 316 L Stainless Steel 6060 Aluminum Metal Bond Key

Size

Nom.

Ordering #

Al

OD

A

Al

ID
B

SS
OD

C

SS

OD

D

 

E
DN10 - 0.375
 .375” BTC 80Al/40SS
0.675 0.423 0.675 0.493
1.5
DN15 - 0.50
.50” BTC 80Al/40SS
0.84
0.546
0.84
0.622
1.75
DN20 - 0.75
.75” BTC 80Al/40SS
1.05
0.742
1.05
0.824
2.25
DN25 - 1.0
1.00” BTC 80Al/40SS
1.315
0.921
1.315
1.049
2.65
DN32 - 1.25
1.25” BTC 80Al/40SS
1.66
1.278
1.66
1.37
3.25
DN40 - 1.5
1.50” BTC 80Al/40SS
1.9
1.5
1.9
1.61
3.5
DN50 -2.0
2.00” BTC 80Al/40SS
2.375
1.939
2.375
2.067
4.75
DN64 -2.5
2.50” BTC 80Al/40SS
2.875
2.323
2.875
2.49
5.5
DN80 - 3.0
3.00” BTC 80Al/40SS
3.5
2.9
3.5
3.068
6
DN100 - 4.0
4.00” BTC 80Al/40SS
4.5
3.826
4.5
4.026
7.5
DN125 - 5.0
5.00” BTC 80Al/40SS
5.563
4.813
5.563
5.047
9.25
DN150 - 6.0
6.00” BTC 80Al/40SS
6.625
5.761
6.625
6.065
10.5
DN200 - 8.0
8.00” BTC 80Al/40SS
8.625
7.625
8.625
7.961
12.625
DN250 - 10.0
10.00” BTC 80Al/40SS
10.75
9.564
10.75
10.02
15
DN300 - 12.0
12.00” BTC 80Al/40SS
12.75
11.376
12.75
11.938
18.5
DN350 - 14.0
14.00” BTC 80Al/40SS
14
12.5
14
13.124
20
DN400 - 16.0
16.00” BTC 80Al/40SS
16
14.314
16
14.32
23
DN450 - 18.0
18.00” BTC 80Al/40SS
18
16.126
18
16.12
25.75
DN500 - 20.0
20.00” BTC 80Al/40SS
20
17.938
20
17.94
29
DN600 - 24.0
24.00” BTC 80Al/40SS
24
21.564
24
21.56
36
DN750 - 30.0
30.00” BTC 80Al/40SS
30
27.568
30
27.56
45

 

(XX.X)=Metric

Dimensions & price subject to change.
Atlas Advantage

atlas flanges

  • Leaders in Aluminum UHV
  • Creative Design and Engineering
  • Highly Reliable
  • Dissimilar Metal Bonded Products
  • Innovative Problem Solving
  • Ultra High Vacuum Grade Bimetallic Transition Couplings
  • ISO 9002 Compliant (soon to be certified)
  • Excellent Customer Service
  • Aluminum UHV Chambers and Accessories
  • Low Nuclear Activation UHV Chambers and Canisters
  • Light Weight UHV Chambers and Accessories
  • Non-Magnetic UHV Chamber and Accessories
  • Chemical Resistant Chamber and Accessories
  • UHV Welding
  • UHV Brazing
  • UHV Bonding
  • Explosive Bonding Services
  • Neutron Applications
  • Synchrotron Applications
  • Semiconductor Applications
  • Cryogenic Applications
Atlas Technologies

305 Glen Cove Road • Port Townsend WA • 98368 • USA
Phone: 360-385-3123 • FAX: 360-379-5220 • E-mail: Contact Atlas Technologies • URL: www.atlasuhv.com