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Bored & Blank Vacuum Flange Manufacturer

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Bored & blank vacuum flanges are required for forming connections in UHV vacuum systems and designs. As a preferred supplier of bored & blank vacuum flanges for OEMs, and industrial and research end-users for over 50 years, Nor-Cal Products has the solution that will meet your vacuum flange needs. Our bored & blank vacuum flange ISO 9001:2015-certified products are fabricated from 304 or 316L stainless steel and are also available in aluminum to ensure that you not only have the highest quality flanges available but a variety of options to choose from.

Our product range includes blank flanges and bored weld rings in a variety of types, including ISO-KF (NW), ISO-K, ISO-F, CF (Conflat), ASA, EVAC, and WireSeal. Browse our product offerings below or contact a Nor-Cal Products representative so they can help find the best flange series products for your application.

Bored & Blank Vacuum Flange Manufacturer Features

  • Clamped and bolt-style connections
  • Clearance hole and tapped configurations
  • Imperial and metric threads
  • ISO 9001:2015- certified
  • Stainless steel composition

Bored & Blank Vacuum Flange Products

ISO-KF (NW) Bored & Blank Flanges

Nor-Cal ISO-KF style bored & blank flanges are manufactured from 304 and 316L stainless steel in addition to our aluminum ISO-KF (NW) flanges. ISO-KF style flanges feature both bored & blank designs, short and long weld necks, and fit standard USA tube sizes from 3/8 to 2 inches.

ISO-K Bored & Blank Flanges

Our ISO-K flanges are manufactured in accordance with ISO-certified specifications and can mate with ISO flanges from other manufacturers. ISO-K flanges are bored and blank and are designed for use with single or double claw clamps.

ISO-F Bored & Blank Flanges

ISO-F bored & blank flanges couple together two ISO-F flanges or one ISO-K flange to an ISO-F flange. ISO-F can be manufactured from 304 or 316L stainless steel for increased corrosion resistance.

ConFlat (CF) Flanges

We are fully stocked on CF flanges ranging in size from DN16 to DN350. Nor-Cal’s ConFlat flanges provide optimal UHV sealing and offer rotatable and fixed configurations. ConFlat flanges can be customized for specialty applications.

ASA Bored & Blank Flanges

ASA bored & blank flanges are either flat (male) or O-ring grooved (female) depending on your requirement. Nor-Cal’s ASA flanges are available for standard tube sizes from 2 to 12 inches and are compatible with standard 150 ANSI flanges.

EVAC Bored & Blank Flanges

Nor-Cal’s DN-62, 80, and 100 size tapered flanges are manufactured in accordance with EVAC standards. EVAC bored & blank flanges are designed for use with EVAC CeFix seals.

Wire Seal Bored & Blank Flanges

Our wire seal flanges are available as blank flanges or bored weld rings. For vacuum-tight connections with one male and female wire seal flange. Standard uses include bell jars, custom vacuum chambers, and related components.

Why Choose Nor-Cal?

Nor-Cal bored & blank flanges are perfect for use in high vacuum or UHV custom vacuum system designs or in the fabrication of discrete vacuum fittings. Our strong in-house capabilities support the quality of our components and services in a variety of areas including:

ISO Certified Bored & Blank Vacuum Flange Manufacturer

Federal and industry-specific safety certification identify industrial manufacturers that follow safe, legal, and effective machining practices. Nor-Cal Products is an ISO 9001:2015 certified manufacturer of Bored & Blank Vacuum Flange Manufacturer and additional high and ultra-high Vacuum Chambers, Vacuum Flanges & Fittings, Traps & Filters, Feedthroughs and more. We take all the necessary quality control and inspection steps required to ensure that you receive high-performance vacuum components that meet your project demands. Our ISO 9001:2015 certified capabilities enable us to create custom components for several industries, including:

  • Semiconductor Processing Equipment
  • Electrochemical Research Systems
  • Aerospace Components
  • Medical Components
  • Leak Detection Equipment & More

Contact Nor-Cal Today!

We look forward to serving your vacuum component needs! Request a quote online or contact us with any questions regarding our vacuum adapters.

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