... . 2.2KW, single phase bipolar machine 2. copper core,220V,50HZ,IP55 dust proof 3.6mmx10m high pressure steel wire spiraled Features- 1 ... , 2.2KW, single phase bipolar machine, copper core,220V,50HZ,IP55 dust proof2, 6mmx10m high pressure steel wire spiraled hose, 22*1 ... The high pressure pump can be used for 100 hours according to commen use,and about 35hours not need to maintain High Pressure Car ...