Scroll vacuum pumps contain both a fixed and an orbiting scroll. As the orbiting scroll techniques, voids are Scroll Vacuum Pump manufactured at the inlet of the pump, drawing in the gas. As the rotor 
additional moves, the gas is certainly steadily compressed until it is discharged to atmosphere at the pump exhaust.
The scroll pump design provides 100% oil-free operation as it will not require any lubrication. The bearings are separated from the compression chamber therefore no contamination of the pumped gas is possible. Furthermore, the leak-tight design aids in preventing contamination of the pumped gas by ambient air. Maintenance is bound to changing the scroll suggestion seals which may be quickly completed by the operator and with no need for special tools.