lubricating vacuum pressure composite air pump  Horsepower: 4.0kw/5hp Power Source: Electric Pressure: High Pressure Structure: DRY VANE VACUUM PUMP Voltage: 220/380/440/480V Power: 4.0KW motor: 4.0KW/5.5HP Model: BVF80 MOQ: 1SET Frequency: 50/60HZ Pump: dry vane and oil free vacuum pump Weight: 90kg          

ZBW-G series self-lubricating true air pump is  a medium vacuum, dry displacement pump designed to operate on a continuous duty basis. It utilizes self-lubricating, extended-life graphite composite vanes, requires only minimal maintenance, and requires no oil change. 20,000 hour vane life 100% dry operation Continuous duty rated 174 SCFM 24 in.Hg