System is in combination with roots Blowers fitted over vacuum pumps to achieve maximum output. They combine the advantages of fresh oil lubrcated Vacuum pumps with the high suction capacity of Roots Blower. Primarily used for production of fine vacuum where as maximum vacuum level is required. Vacuum Impregnation Plant, Molecular Distillation/ Filtration, Drying, Degassing / Refining, Vacuum furnace, Chemical & pharmaceutical.