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Metal Seals & Flanges

Metal Seals & Flanges

Nor-Cal Products stocks a complete line of chain clamps and aluminum metal seals for converting elastomer seal NW (KF) and ISO flanges to UHV metal seals. They provide a number of benefits over elastomer seals: reduced outgassing, no permeation, no hydrocarbons, resistance to radiation and short half-life. 


Please download our technical and product information document

Product pdf


Tube OD sizes:

3/4 to 4 inches (19.05 to 101.6mm)


Flange: 304 stainless steelSeal: Aluminum

Vacuum range:

1 x 10-11 mbar - UHV

Temperature range:

-270ºC to 150ºC

All dimensions are in inches (mm) & weights are in pounds (kg), unless otherwise noted.