This article was originally published on August 11, 2014.


The ES range of single-stage, oil-sealed, rotary-vane vacuum pumps are a flexible solution that provide highly stable performance. The pump mechanism has been refined to produce a better quality of vacuum. The pumping speed is maintained even at lower pressure, extending the operating pressure range. The new pump has been developed to run cooler and have a longer oil lifetime than other comparable oil-sealed vacuum pumps. An optimized oil return system reduces pressure fluctuations often experienced in single-stage pumps. Ideal for use in heat-treatment applications, there are five models in the range.