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I believe that is the largest diameter oil diffusion pump Varian (manufacturer) ever made. Very good pump! See this old file 05_Diffusion_Pumps
I believe that is the largest diameter oil diffusion pump Varian (manufacturer) ever made. Very good pump! See this old file 05_Diffusion_Pumps
See lessThere is a temperature limit switch on the pump. This could be faulty. Possibly low oil level and/or insufficient water flow. The water cooling tubing is a long and tortuous path and poor water quality could cause these lines to partially clog. Mineral deposits and dirt in the lines.
There is a temperature limit switch on the pump. This could be faulty. Possibly low oil level and/or insufficient water flow. The water cooling tubing is a long and tortuous path and poor water quality could cause these lines to partially clog. Mineral deposits and dirt in the lines.
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Pumping capacity varies depending upon the size (diameter) of the pump and the gasses you are pumping. The manufacturers usually rate them according to their ability to pump air and helium and hydrogen. See this old Varian file for additional information on diffusion pumps. 05_Diffusion_Pumps
Pumping capacity varies depending upon the size (diameter) of the pump and the gasses you are pumping. The manufacturers usually rate them according to their ability to pump air and helium and hydrogen. See this old Varian file for additional information on diffusion pumps. 05_Diffusion_Pumps
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