The hydrostatic hydraulic transmission drive in close system, consisting of PV20/21/22/23/24 serie heavy duty piston
pump and motor can work continuously with pressure 21Mpa under max. speed.
5. Peak pressure of system is up to 35Mpa, and min. pressure is 0.9Mpa higher than housing pressure.
6. Max. housing working presssure is 0.28Mpa.
7. Set pressure of charging relief valve of pump and motor are respectively 1.31-1.45Mpa and 1.10-1.24Mpa higher than
housing pressure, and max. oil temperature is 80°C