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ASA Bored & Blank Flanges

ASA male and female flanges are the foundation for a robust, simple rough, or high vacuum seal compatible with standard 150 ANSI flanges.

Pfeiffer Vacuum Valves & Engineering’s ASA flanges are made from high-grade 304 stainless steel and are available for standard tube sizes from 2 to 12 inches. Larger sizes are available upon request

ASA Bored & Blank Flanges Features

  • Blank flanges or bored weld rings
  • Flat (male) and O-ring grooved (female)

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.
We maintain a large inventory for prompt deliveries and to meet those unexpected demands.

Custom ASA Bored and Blank Flanges

Our elite team of designers and engineers is dedicated to producing the highest quality, ISO 9001:2015-Certified ASA Bored and Blank Flanges to meet your application requirements. We start with select grade 304 stainless steel to produce the highest-grade, corrosion-resistant ASA Flanges. Our CNC machining and CNC tube bending capabilities allow us to form close tolerances and manufacture custom components to your exact specifications. We can manufacture ASA Bored and Blank Flanges to meet low to high-volume orders and fulfill Ultra-Clean (UCV) components. Our manufacturing capabilities also include electropolishing and cleanroom assembly and packaging services. Our additional strong in-house capabilities support the quality of our components and services in a variety of areas, including Engineering, Logistics, and Quality Assurance.

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