SRF1/4000 is a highly refined, hydro-treated petroleum base fluid designed for the one year or 4000 hours of operation. It is currently the factory fill for all Sullair rotary screw vacuum systems.

Annual change interval—Designed to operate one year or 4000 hours under normal operating conditions, guaranteed.

Highly refined—As the result of the hydro-treated process, SRF is very resistant to breakdown and varnish.

Reduced maintenance—Less downtime and labor than standard mineral-based fluids.

High viscosity index—Viscosity stays very stable at low and high temperatures.