Promivac engineers offers rotary vane type-high vacuum pumps. These are available in single and double stage. These are specially designed to remove the possibility of suction of air through it. These pumps can achieve maximum vacuum in a very short time. The fluctuation of the temperature is also put under scanner. These pumps provide years of dependable services. These compact pumps offer noiseless performances. There is jacket around three sides of the pump housing to keep the oil cool during long performances. In this model an inbuilt device, known as gas ballast is provided, which effectively checks to a large extent condensation of the water vapours which otherwise would not only had contaminated the oil, but had also diminished the performance of the pump.
