Leybold offers a broad range of different high and ultra high vacuum pumps. These pumps vary in the principle of operation and field of application: turbomolecular vacuum pumps of the TURBOVAC and MAG series, diffusion vacuum pumps DIP and cryo vacuum pumps of the COOLVAC series. Important items for the selection of the adequate high vacuum pump are: attainable ultimate pressure, required  pumping speed, gas throughput or compression.