Scroll vacuum pumps consist of both a set and an orbiting scroll. As the orbiting scroll movements, voids are manufactured at the inlet of the pump, drawing in the gas. As the rotor additional moves, the gas is steadily compressed until it is discharged to atmosphere at the pump exhaust.
The scroll pump design provides 100% oil-free operation as it does not require any lubrication. The bearings are separated from the compression chamber therefore no contamination of the pumped gas can be done. In Scroll Vacuum Pump addition, the leak-tight design aids in preventing contamination of the pumped gas by ambient atmosphere. Maintenance is limited to changing the scroll suggestion seals which may be quickly carried out by the operator and without the need for special tools.