news

Parker PVS series load-sensitive variable vane pump

Posted by
0 comments

Parker PVS Series Load-Sensitive Variable Displacement Vane Pumps

The Parker PVS series is a high-performance load-sensitive variable displacement vane pump under the Denison brand, specially designed for hydraulic systems that require energy saving, high efficiency and intelligent flow regulation. It integrates load-sensitive control technology and variable displacement vane pump advantages, which can automatically adjust the output flow according to the system load demand, effectively reducing energy consumption and improving system operation efficiency, and is widely used in mobile and industrial hydraulic equipment.

I. Core Product Features

Features
Advantage Description
Load-Sensitive Control
Equipped with high-precision load-sensitive valve, it can automatically match the output flow with the system load, and the flow is adjusted steplessly between 0 and the maximum displacement, realizing energy saving and consumption reduction
High Efficiency & Energy Saving
Under light load conditions, the output flow is reduced, the power loss is minimized, and the energy saving effect is 20%-30% higher than that of ordinary fixed displacement pumps
Stable Pressure Control
The pressure compensation function ensures that the system pressure is stable, the pressure fluctuation is ≤±1.5 bar, and the impact on hydraulic components is reduced
Compact Structure & Light Weight
Optimized pump body design, small volume and light weight, suitable for installation in mobile equipment and narrow space industrial occasions
Strong Adaptability
Working pressure and displacement range are wide, compatible with various hydraulic media, and can adapt to complex working environments such as high temperature and low temperature
Easy Maintenance & High Reliability
Modular design, easy disassembly and assembly, low failure rate, and the service life is comparable to that of T7 series high-pressure pumps
Multiple Control Modes
Optional manual, hydraulic and electric control modes to meet different system control requirements and realize intelligent operation

II. Key Technical Parameters

Parameter Category
Value Range
Displacement Range
6-150 cm³/rev (0.36-9.15 in³/rev)
Flow Capacity
12-300 L/min (3.2-79.3 gal/min) @2000 RPM
Speed Range
800-3000 RPM (rated speed 2000-3200 RPM)
Working Pressure
Continuous: 210-350 bar, Intermittent: 380 bar (depending on model)
Temperature Range
Suitable hydraulic oil temperature: -25°C to 85°C (please refer to the product catalog for details)
Rotation Direction
Standard is clockwise (counterclockwise can be customized)
Weight
8-32 kg (depending on model and configuration)
Oil Port Size
Suction port: 1 to 2-1/2 inches, Pressure port: 3/4 to 1-1/2 inches

III. Model Classification and Structure

The PVS series adopts a load-sensitive variable displacement integrated structure, combining a precision vane pump core with a load-sensitive control valve, which is divided into multiple sub-series according to displacement and control mode to meet the needs of different scenarios:
  1. PVS Basic Load-Sensitive Series:
    1. Sub-series such as PVS06/PVS10/PVS15/PVS20
    2. Covers small to medium displacement range (6-60 cm³/rev), basic load-sensitive control, suitable for general industrial and mobile equipment
    3. Single pump configuration, compact structure, easy installation
  2. PVS High-Pressure Load-Sensitive Series:
    1. Sub-series such as PVS30/PVS45/PVS60/PVS150
    2. Large displacement range (30-150 cm³/rev), high working pressure up to 350 bar, suitable for heavy-duty hydraulic systems
    3. Reinforced pump core and control valve, strong pressure-bearing capacity and high stability
  3. Typical Model Examples:
    1. PVS10-1R00-B100: Small displacement load-sensitive variable pump (manual control)
    2. PVS45-2R02-C200: Medium displacement high-pressure load-sensitive pump (hydraulic control)
    3. PVS100-1R00-A300: Large displacement load-sensitive variable pump (electric control)

IV. Applicable Industrial Fields

  1. Mobile Construction Machinery: Excavators, loaders, cranes, etc., adjusting flow according to working load, reducing fuel consumption
  2. Agricultural Machinery: Agricultural tractors, harvesters, etc., adapting to complex working conditions and realizing energy-saving operation
  3. Industrial Hydraulic Systems: Hydraulic stations, conveyor equipment, etc., matching flow with load to improve system efficiency
  4. Material Handling Equipment: Forklifts, stackers, etc., compact structure, suitable for mobile installation
  5. Environmental Protection Equipment: Sewage treatment equipment, garbage compressors, etc., stable operation and low energy consumption
  6. Light Industrial Equipment: Packaging machinery, printing machinery, etc., precise flow control and low noise
  7. Other Applications: Mobile hydraulic vehicles, small hydraulic test benches, etc., requiring intelligent flow regulation

V. Installation and Maintenance Points

  1. Installation Notes:
    1. Ensure the coaxiality error between the pump shaft and the drive shaft is ≤0.1 mm to avoid affecting the operation of the load-sensitive valve
    2. The suction pipeline should be sealed tightly to avoid air leakage, and the filter (filtration accuracy ≤80μm) should be installed to protect the pump core and control valve
    3. The load-sensitive control pipeline should be arranged neatly, avoiding excessive bending and pressure loss
    4. Before initial start-up, fill the pump with hydraulic oil and exhaust thoroughly, and check the control valve to ensure normal operation
  2. Maintenance Recommendations:
    1. Use hydraulic oil above NAS 7 grade, and regularly check the oil cleanliness, oil level and oil temperature
    2. Replace the filter element every 1500 working hours and the hydraulic oil every 5000 working hours
    3. Regularly check the load-sensitive valve and vane wear, and clean or replace the valve core and vulnerable parts in time
    4. If the flow and pressure adjustment is abnormal, check the control pipeline and valve body to avoid internal blockage

VI. Selection Reference

  1. Select the appropriate displacement and pressure grade according to the system’s maximum working pressure and flow demand
  2. Choose the control mode (manual/hydraulic/electric) according to the system control requirements
  3. Combine installation space andequipment type (mobile/industrial) to select the appropriate model
  4. Pay attention to the compatibility of hydraulic oil and ensure that the oil quality meets the product requirements
  5. For mobile equipment, select the model with light weight and compact structure; for heavy-duty occasions, select the high-pressure series
The Parker PVS series load-sensitive variable displacement vane pump takes energy saving and intelligence as the core, integrating load-sensitive control and variable displacement technology, which is an ideal choice for high-efficiency hydraulic systems. It can effectively reduce energy consumption, improve system stability and extend equipment service life. For specific details, please refer to Parker’s official product catalog and technical manual.
Newer PGP series external meshing high pressure industrial gear pump
Back to list
Older Parker T7 series ultra-high pressure precision vane pump

Related Posts