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Author Topic: Duo-Seal Vacuum pump  (Read 1302 times)

Offline ronbo57

  • Technician
  • Member Since: Oct 2015
  • Posts: 16
Duo-Seal Vacuum pump
« on: April 05, 2017, 09:26:44 PM »

I have a Welch Duo Seal vacuum pump set-up that I absolutely love. However it is on the heavy side, but does an excellent job of evacuating. My question is, do any of you folks know of an oil alternative rather than the Duo seal oil which costs $26.00 a quart. I cannot find the specifications on their oil other than .88 specific gravity.

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