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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



Optional fastener or non rotatable flanges with clearance bolt holes

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.