These are closed loop vacuum assisted solvent systems. The entire system process works under vacuum. This ensures safe use, negligible loss of solvent and is environment friendly compared to an open type solvent based cleaning/degreasing system.

Hydrocarbon/Modified Alcohol/Chlorinated solvents can be safely used since the system is completely under vacuum.
These are replacement for Trichloroethylene (TCE) open vapour degreasing type systems which are not environment friendly.