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ISO-K Bored & Blank Flanges

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

Normally our standard material is in the low carbon range for 304 stainless steel. For increased corrosion resistance, some sizes are available from stock in 316L stainless steel. 

ISO-K Bored & Blank Flanges Features

  • Bored and blank flanges
  • Couple together two ISO-K flanges, or one each ISO-K & ISO-F flange
  • Use with single or double claw clamps
Nor-Cal Products manufactures and provides a full line of flanges, fittings and adapters for vacuum applications. We offer ISO-KF (NW), ISO-K, ISO-F, CF (Conflat), ASA, Wire Seal and EVAC Chain Clamp style flanges and fittings to fit almost every application.
Custom flanges are available upon request.

We specialize in manufacturing components from 304 or 316 stainless steel with several items available in aluminum as well. Centering rings, gaskets, clamps, bolts and other hardware components are available to complete your project. We maintain a large inventory for prompt deliveries and to meet those unexpected demands.

Nor-Cal Capabilities

Our team includes elite designers and engineers, who are dedicated to producing the highest quality, ISO 9001:2015-Certified ISO-K Bored & Blank Flanges to meet your application requirements. Our strong in-house standards and capabilities support the quality of our components and the services we provide, including:

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