VICKERS plunger pump PVH131QIC advantages

VICKERS plunger pump PVH131QIC advantages

1. Flexible design includes single pump, through shaft drive configuration, and various drive shaft extension and control methods, which will adapt to any purpose and provide cost-effective equipment. The tested components are designed in a heavy-duty, compact housing to provide continuous operating performance at 250 bar (3625 psi) and 280 bar (4050 psi) operating performance in a load sensing system. This design ensures a long lifespan at the higher performance level required by today's power intensive machinery.

2. A small and lightweight design can reduce application weight and provide more convenience for installation and maintenance. The maintenance kit developed for critical rotating and control components can simplify pump maintenance and ensure successful repairs.

3. Low noise design can be adopted for industrial applications that value noise, reducing noise levels and providing a more acceptable environment.

4. Various compensators are designed for efficiency in each application to provide effective system control, and a volumetric efficiency of over 95% means more flow and input power are put into operation instead of generating heat and waste.

5. Heavy load bearings and shaft extensions cause small internal deformation and wear, providing longer service life and longer operating time.

Working principle of VICKERS plunger pump

VICKERS plunger pump is a type of reciprocating pump, belonging to the volumetric pump. Its plunger is driven by the eccentric rotation of the pump shaft, reciprocating motion, and its suction and discharge valves are both one-way valves. When the plunger is pulled out, the pressure inside the working chamber decreases and the outlet valve closes. When the pressure is lower than the inlet pressure, the inlet valve opens and liquid enters; When the plunger is pushed inward, the working chamber pressure increases, the inlet valve closes, and when it is higher than the outlet pressure, the outlet valve opens and the liquid is discharged. The axial piston pump with sliding shoe structure is an axial piston pump used. The plunger placed in the cylinder is in contact with the inclined plate through the sliding shoe. When the transmission shaft drives the cylinder to rotate, the inclined plate pulls out or pushes back the plunger from the cylinder, completing the oil suction and discharge process. The oil in the working chamber composed of the plunger and cylinder bore is connected to the suction and discharge chambers of the pump through the oil distribution plate. The variable mechanism is used to change the inclination angle of the inclined plate, and the displacement of the pump can be changed by adjusting the inclination angle of the inclined plate.

Maintenance of VICKERS plunger pump

Vickers inclined disc axial piston pumps generally adopt the form of cylinder rotation and end face flow distribution. There is a friction pair consisting of a bimetallic plate and a steel oil distribution plate embedded on the end face of the cylinder body, and most of them use a flat flow distribution method, so maintenance is relatively convenient. The oil distribution plate is one of the key components of an axial piston pump. When the pump is working, on the one hand, the high-pressure oil in the working chamber pushes the cylinder body towards the oil distribution plate, and on the other hand, the oil film pressure between the oil distribution plate and the cylinder body forms a hydraulic thrust on the cylinder body, causing it to deviate from the oil distribution plate. The hydraulic clamping force Fn of the cylinder body to the oil distribution plate is slightly greater than the hydraulic thrust Ff of the oil distribution plate to the cylinder body, that is, Fn/Ff=1.05-1.1, which enables the pump to work normally and maintain a high volumetric efficiency. In fact, due to oil contamination, there is often slight wear between the oil distribution plate and the cylinder block.

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VICKERS plunger pump PVH131QIC advantages