Eaton Vickers PVM020 Hydraulic Pump
Eaton Vickers PVM020 Hydraulic Pump
Eaton Vickers PVM020 is an open-circuit, variable-displacement axial piston pump designed for systems that need compact variable-flow performance. This pump comes with a geometric displacement of 21.1 cm³/rev, 230 bar (3,300 psi) nominal pressure and 280 bar (4,000 psi), momentary peak pressure.
- Brand: Eaton Vickers
- Model: PVM020
- Pump Type: Variable-displacement axial piston pump
- Circuit: Open circuit
- Displacement: 21.1 cm³/rev
- Pressure: 230 bar nominal, 280 bar peak
- Maximum Speed: 1,800 rpm
- Maximum Flow: 35 L/min
- Controls: Pressure compensator and load-sensing options
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Eaton Vickers PVM020 Hydraulic Pump is an example of a non-pressure-limited open circuit, variable displacement axial piston pump intended to generate controlled hydraulic energy for use in mobile and industrial machinery. Even though this pump is part of the small-sized PVM series, its geometric displacement is 21.1 cm³/rev. This pump is used in cases when hydraulic energy flow should vary with respect to the needs of the system rather than maintain the same values during the entire operation process.
Eaton PVM020 Hydraulic Pump provides a nominal pressure of up to 230 bar and a peak pressure of up to 280 bar. The flow rate of this pump at a maximum speed of 1,800 rpm is approximately 35 l/min. Its approximate weight is 15 kg, which makes it a relatively lightweight solution in case of machines when the available installation space and total weight of components is of concern. Performance may vary depending on fluid viscosity, temperature, inlet pressure, load and pump configuration.
Depending on its complete model code, the PVM020 can have the pressure-compensated, load-sensing controls, and others. Controls adjust the displacement of the pump based on the demands of the hydraulic system. If the flow is unnecessary, the pump will decrease the flow rate, thus avoiding unnecessary energy loss, heat development and hydraulic load. The available versions may vary in shaft configuration, flange mountings, port location, rotation direction, and through drive.
PVM020 is used in construction machines, handling machines, industrial machines, hydraulic power units, and other open hydraulic circuits where variable flow is required. For proper functioning of the pump, it requires clean hydraulic oil, right inlet conditions, filtration, and control adjustment. If the machine runs slowly, pressure fluctuations, noise, high oil temperature, and poor actuator performance, they may imply wear, contamination, improper adjustment, or other hydraulic system issues. It is necessary to check the whole circuit before determining that the pump is the only cause of the problem.
