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Chain Clamp Flanges

Nor-Cal Products stocks a complete line of chain clamps and aluminum metal seals for converting elastomer seal NW (KF) and ISO flanges to UHV metal seals. They provide a number of benefits over elastomer seals: reduced outgassing, no permeation, no hydrocarbons, resistance to radiation and short half-life. Aluminum seals are used in high-energy physics, other UHV applications and, in some circumstances, cryogenic applications. 
  • Chain Clamp Tapered Flanges
  • Bored NW flanges
  • Blank NW flanges
Nor-Cal Products manufactures a full line of flanges, fittings and adapters for vacuum applications. We offer NW (KF), ISO, CF, ASA, Wire Seal and 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. 

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