We are currently operating at a limited capacity due to our facility undergoing a physical inventory. Regular operations are expected to resume the week of December 4th. We thank you for your understanding and patience through this period.
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EVAC Bored & Blank Flanges

EVAC-manufactured DN-63, 80, and 100 size tapered flanges complement the smaller ISO-KF (NW) type flanges intended for use with aluminum metal seals and chain clamps. These allow for the design of systems and components in the UHV and XHV vacuum range.

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EVAC Bored & Blank Flanges Features

  • Blank flanges and bored weld rings
  • Genuine EVAC manufacture
  • Use with EVAC CeFix seals
Nor-Cal Products, Inc dba Pfeiffer Vacuum Valves & Engineering 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.

PV V&E specializes 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.

ISO Certified EVAC Bored and Blank Flanges

Federal and industry-specific safety certifications identify industrial manufacturers following safe, legal, and effective machining practices. PV V&E is an ISO 9001:2015 certified manufacturer of EVAC Bored & Blank Flanges 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 and more
Our strong in-house capabilities support the quality of our components and services in a variety of areas.

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