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Wire Seal Bored & Blank Flanges

Nor-Cal Products' wire seal flanges are designed for use on bell jars, custom vacuum chambers and related systems.
Standard sizes range from 12 to 27 inch nominal OD for tube sizes from 10 to 24 inch OD. A 0.080 inch thick OFHC copper wire is compressed between the two flanges to effect a robust UHV seal.

Solid blanks are standard. Dished head blanks are offered as a lower cost alternative.
 

Wire Seal Bored & Blank Flanges Features

  • Blank flanges or bored weld rings
  • One each male and female flange required for a vacuum tight connection
 
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.

ASME Certified Wire Seal Bored & Blank Flanges

ASME BPV U-Stamp certified components are fabricated to the latest edition of the ASME BPV codes, which control vacuum chamber design, materials, fabrication, welder certification, test, and inspection. Nor-Cal Products is proud to be an ASME-certified manufacturer of pressure vessels including vacuum system components. Our in-house capabilities allow us to monitor each stage of the Engineering, Logistics, Manufacturing, and Quality Assurance processes to ensure your Wire Seal Bored & Blank Flanges and additional vacuum components meet or exceed established industry standards. Specific ASME certified parts include but are not limited to:

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