Two-stage oil sealed rotary vane vacuum pumps PHV-K series have got a new design for achieving higher vacuum and capacities, easy installation, operation and maintenance.The pumps have been designed for all types of applications such as laboratories, semi-conductor industries, cathode-ray tubes, measurement instruments, light bulbs, fluorescent lights, distillation, refrigeration, freeze drying, mass spectrometry, as backing pumps in pumping systems, etc.