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ISO Flanges and Hardware

ISO Flanges and Hardware

Nor-Cal ISO flanges and hardware are manufactured to the International Standards Organization specification so they can be mated to other manufacturers' ISO flanges


Tube OD sizes:

21/2 to 20 inches (63.5-508mm)


Flange: 304 or 316L stainless steelO-rings: Viton, BunaBolts: 18-8 stainless steel

Vacuum range:

Elastomer seal: >1 x 10-8 mbar - High vacuumMetal seal: >1 x 10-11mbar- UHV

Temperature range:

Viton: -20ºC to 200ºCBuna: -30ºC to 110ºCMetal seal: -270˚C to 150˚C

Nominal OD sizes:

ISO-63 to ISO-500

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