Hydraulic piston pump is a critical part of the hydraulic system. It uses a plunger to cycle in the cylinder, changing the volume of the sealed enclosed chamber, thus creating suction and pressure.
Hydraulic piston pumps are lauded for their high rated pressure, small overall size, superior efficiency, and ease in flow control adjustment. They can be used in applications which need to combine high pressure, high flow, and a variable flow rate.
Our hydraulic axial piston variable displacement pumps are well engineered and easy to handle. All bearings of this Variable Axial Piston Pumps are mechanical tapered roller bearing, which can load heavy external axial forces.
Furthermore, this hydraulic pumps can be connected with other additional pumps when operated mechanically, and its servo displacement can control and keep the angle of swash plate and pump displacement. Upon release of the control handle, the swash plate will automatically return to the zero position and the flow reduces to zero.
Additionally, this hydraulic pumps has remarkable shaft oil seals performance, even at the lowest temperature and high case pressure. Servo valve of piston pump can connect function regulators and remote control systems, it provides convenience for overhaul. Finally, this axial piston pumps can be easy to maintain and can be disassembled and assembled by standard tools. All components are replaceable.
Technical Parameters:
HPV Series Technical parameter | ||||||||
HPV hydraulic pump and HMF hydraulic motor series | 30 | 50 | 70 | 90 | 110 | 130 | ||
Displacement | Max displacement | ml/r | 30 | 50 | 70 | 90 | 110 | 130 |
Speed | Max continuous working speed (Full load condition) | r/min | 3500 | 3500 | 3200 | 3200 | 2900 | 2900 |
Rated speed | r/min | 2500 | ||||||
Min continuous working speed | r/min | 500 | ||||||
Pressure | Rated working pressure | Mpa | 35 | |||||
Max working pressure (transient) | Mpa | 42 | ||||||
Continuous working pressure | Mpa | 30 | ||||||
Allowable shell pressure (Absolute) | Mpa | Constant0.25, Peak value0.5 | ||||||
Torque | Continuous output torque (Under continuous working pressure) | Nm | 162.3 | 252.3 | 342.6 | 432.9 | 535.3 | 632.4 |
Max output torque | Nm | 227 | 353 | 480 | 606 | 749 | 885 | |
Power | Continuous output power | KW | 45 | 79 | 107 | 139 | 149 | 176 |
Max power | KW | 62 | 95 | 114 | 150 | 173 | 205 | |
Temperature | Allowable shell temperature | ℃ | 80 | |||||
Max working temperature of oil tank | ℃ | 70 | ||||||
Weight | HPV series hydraulic pump hydraulic oil drain | kg | 45 | 46 | 63 | 64 | 82 | 88 |
HMF series hydraulic motor hydraulic oil drain | kg | 30 | 30 | 36 | 36 | 36 | 38 |
Hydraulic piston pumps are widely used in high pressure, high flow, and high-power systems, as well as occasions where adjustment of flow is needed, like agricultural machinery, construction machinery, mining and metallurgical machinery, and ships. It has an important role in these fields.
Moreover, its reliable performance is advantageous in petroleum exploration and development, petrochemical, pharmaceutical, atomic energy science, environmental science, process equipment, experimental equipment, and even aerospace industries and other high tech fields.
FAQ: Hydraulic Piston Pumps