Over 48 Years of Experience in the Vacuum Pump Business

A-VAC is proud to offer the Highest Quality Vacuum Pumps and Blowers by renowned companies including Welch Gardner Denver, Alcatel Adixen Pfeiffer, Leybold, Edwards, Anest, Stokes, and Agilent.

Fittings, Hose and Parts

NW 25 Clamps

NW 25 Clamps

NW25 / KF25 Centering Rings Viton

NW25 KF25 vacuum centering rings
In stock

Our NW25 / KF25 centering rings are designed to connect vacuum ovens and vacuum pumps, with no tools required!

For use anywhere an NW25 flanged pump needs to be connected, such as: Essential Oil extraction, Vacuum Ovens, Mass Spectrometers, Electron Microscopes, Residual Gas Analyzers. Great for use on Rotary Evaporators, AKA Roto-Vaps which strip ethanol off of Oils dissolved in Ethanol, filtration of volatiles, purging, short path distillation. Really any application requiring extraction, like butane, solvents, Butane/ethanol evaporation, vacuum storage and more. KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. Made of s/s and viton.

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