ATCR Bimetallic Face-Seal Fittings
Atlas ATCR Bimetallic Face-Seal Fittings
BW — Butt Weld ATCR Fitting
Atlas bimetallic ATCR fittings—the aluminum tube fitting
with a stainless steel face-seal, make UHV aluminum
vacuum systems a reality.
Aluminum
MW — Male Weld ATCR Fitting
Stainless Steel
EXW
Bond-Line
Specifications
Atlas aluminum ATCR TM face-seal fittings are fully
compatible with Swagelok VCR® and Parker Hannifin
VacuSeal TM fittings.
Materials
Body / Weld Interface
Seal-Face
Aluminum 6061 T-6
Stainless Steel 316L
Optional Ti Commercially Pure
Rotatable Nut
Aluminum 6061-T6
Optional, Stainless Steel 304
Atlas Socket, Butt and Male weld ATCR
face-seal fittings are fitted with a durable
stainless steel sealing face that is explosive
bonded to an aluminum body. The bond
is extremely rugged. All face-seal fittings
are helium leak tested for service in UHV
environments in excess of 1x10-9 Torr. Atlas
ATCR fittings enable robust demountable use
of aluminum tubing and used extensively in
cryogenic, physics and semiconductor applications worldwide.
SW — Socket Weld ATCR Fitting
See page 32-33 for product ordering information.
Environmental
CM — Chamber Mount ATCR Fitting
Vacuum Leak Tested
< 1x10 -9 cc/sec of He
Thermal
Peak Temperature (< 2 Min. during weld-up)
500°C
Operational Temperature
-200°C to 250°C
Mechanical (EXW Interface)
Tensile
Shear
30 Atlas Technologies
15,000psi
10,000psi
www.AtlasUHV.com
360-385-3123