Home > Vacuum > Pumps > D65BH Hermetically Sealed Pump
Two stage rotary vane pump with hermetic shaft seal. Nominal pumping speed 65 m3/hr, ultimate pressure 10-4 mbar.
Three phase motor. This pump is suitable for He3 recirculation in Oxford Instruments dilution refrigerator units, with a leak rate
<1 x 10-7 mbar l sec-1.

Note: A hermetically sealed pump is mandatory in dilution refrigerators for circulating He3. Oxford Instruments provides two choices: our standard pump, or a magnetically coupled pump for higher performance, and longer term savings