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Feedthroughs - Liquid & Electric

Nor-Cal Products’ lines of liquid, liquid nitrogen, electrical and crystal feedthroughs include the most commonly required for medium, high and ultra-high vacuum applications. Customs designs or modified standards can readily be supplied. Liquid feedthroughs are a cost-effective and reliable way to introduce water as a cooling agent into a vacuum system. Liquid nitrogen feedthroughs are constructed with single and dual coaxial tube geometries. This thermal barrier effectively reduces condensation and ice buildup on the atmosphere side of the feedthrough around the mounting flange interface, protecting the seal’s integrity. Electrical feedthroughs are manufactured from ultra-high vacuum grade materials such as high alumina ceramic insulators, OFHC copper or nickel conductors, and 304 stainless steel flanges. These robust ceramic to metal feedthroughs have electrical ratings for operation with one side in a dry atmosphere while the opposite end is in a stable vacuum.

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