These Leybold SP 250 Dry Compressing Screw Vacuum Pumps are from the SCREWLINE SP family and were developed in view of the special requirements of industrial applications. The innovative, modular design of the SCREWLINE allows these pumps to be used in all cases where reliable, compact and low maintenance vacuum technology is demanded. SCREWLINE pumps are suited for all applications with higher requirements regarding the backing pump, like for example in processes involving high particle counts or in the hard production areas.

The dry compressing SCREWLINE pumps are an ideal alternative to conventional oil-sealed vacuum systems. This SCREWLINE SP 250 dry-compression pump rated for 604 CFM peak performance. is mated with the WSU-1001 dry RUVAC rotary lobe blower backing pump. The Leybold WSU-1001 includes a pressure equalization line and differential pressure valve allowing the blower to be energized together with the SCREWLINE pump. The SP 250 includes leveling feet, 24VDC SP guard monitoring system, shaft seal purge kit, manual gas ballast, non-return valve and a standard exhaust silencer. The RUVAC blower and SCREWLINE pump will be mounted in a close-coupled arrangement with 200-208 or 265 or 460 VAC.