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ConFlat (CF) Bored & Blank Flanges

Pfeiffer Vacuum Valves & Engineering's extensive catalog offerings of CF flanges range in sizes from DN16 to DN350. They are manufactured from high-quality 304 stainless steel to provide the best UHV sealing capability. Bored and blank weld ring flanges are commonly used in custom UHV system designs or standard fittings. 

Double-sided and specialty flange/fitting assemblies offer solutions for more specialized applications.

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ConFlat (CF) Bored & Blank Flanges Features

  • Clearance hole or threaded flanges
  • Rotatable and fixed configurations
  • Use with a combinations of standard bolts, silver plated hardware, 12-point head fasteners or nut plates
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.

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. PV V&E proudly maintains a large inventory for prompt deliveries and to meet those unexpected demands.

ConFlat Flanges and Additional Vacuum Components

In addition to our industry-leading CF Bored & Blank Flanges, PV V&E offers custom components to complete or extend your existing vacuum system. Popular vacuum components include but are not limited to:

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