Used 262 CFM (Approx.) Busch cobra AC0400 dry screw vacuum pump, a nitrogen stage cooling and seal purge package, and a non-modulating automatic START/STOP package/ junction box. Design conditions are 50 PSI to FV @ 200 degrees F. The water-cooled AC0400 vacuum pump is driven by a 20 HP TEFC motor, 230/460 volt, 3 phase, 60 hertz, 3600 RPM, 1.15 service factor, rated for class 1, groups C&D, division 2 locations. Protective PTFE/MOS2 coating on all contact parts. Built 1999.