Denison variable piston Pump product catalog
Denison Variable Displacement Piston Pumps Product Catalog
Overview
Denison variable displacement piston pumps are axial piston pumps featuring pressure compensation (constant pressure) variable as the basic control function, renowned for their low noise, high efficiency, and robustness, developed with advanced hydraulic technology. A full range of series is available to meet diverse industrial needs, from compact low-displacement models to high-pressure heavy-duty units, with excellent interchangeability and easy installation.
Main Product Series
1. PV Series Variable Displacement Piston Pumps
Features
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High efficiency: Exceptionally high overall efficiency, reducing energy consumption and operating costs
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Low noise: Quiet operation throughout the working range, improving the workplace environment
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Wide pressure range: Maximum instantaneous operating pressure up to 310 MPa (4500 PSI), except PV29 model (276 MPa/4000 PSI)
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Flexible installation: Optional axial or side port configurations for convenient integration into various systems
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Contamination resistance: Enhanced reliability and reduced maintenance costs in harsh working conditions
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Power-saving design: Standard maximum displacement adjustment device to match system flow requirements
Models & Key Specifications
|
Model
|
Geometric Displacement (cm³/rev)
|
Max. Operating Pressure (MPa)
|
Approx. Mass (kg)
|
|
PV016
|
16
|
310 (4500 PSI)
|
18
|
|
PV020
|
20
|
310 (4500 PSI)
|
22
|
|
PV029
|
29
|
276 (4000 PSI)
|
28
|
|
PV040
|
40
|
310 (4500 PSI)
|
35
|
|
PV063
|
63
|
310 (4500 PSI)
|
42
|
|
PV080
|
80
|
310 (4500 PSI)
|
50
|
|
PV100
|
100
|
310 (4500 PSI)
|
58
|
Control Options
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Pressure Compensator (Constant Pressure) Type
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Pressure Compensator with Remote Control Type
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Load Sensing Control Type
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Torque Limiting (Constant Power) Control Type
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Electro-Hydraulic Proportional Control Type
2. PVT Series Variable Displacement Piston Pumps
Features
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High power density: Compact structure with high output power, suitable for space-constrained applications
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Ultra-quiet operation: Nine-piston rotor assembly ensures smooth power output and low noise
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Fast response: Pressure compensation variable mechanism responds quickly (50 ms for displacement reduction, 120 ms for increase)
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Multi-fluid compatibility: Compatible with fire-resistant hydraulic fluids for high-safety requirements
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SAE standard mounting: Installation dimensions comply with SAE flange standards, enabling interchangeability with other SAE-compliant piston pumps
Models
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PVT016-FR01A-10
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PVT020-FR01A-10
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PVT029-FR01A-10
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PVT040-FR01A-10
3. PVPlus Series Variable Displacement Piston Pumps
Features
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Enhanced performance: Upgraded based on PV series, with improved efficiency and reliability
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Full-power through-shaft drive: Capable of driving multiple pumps in series with the same drive shaft, reducing system space
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Adjustable pressure compensator: Precise pressure control to meet different system requirements
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Lightweight design: High power-to-mass ratio, easy to install and maintain
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Wide displacement range: 10 to 125 cm³/rev (0.610 to 7.63 cu.in./rev)
4. T6 Series High Pressure Variable Displacement Piston Pumps
Features
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High pressure capability: Stable operation at 350 MPa (5075 PSI) for heavy-duty industrial applications
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Superior volumetric efficiency: Maintains high efficiency even at maximum pressure and low speed
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Durable construction: Replaceable valve plate and robust rotor design extend service life
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Multiple shaft options: Available with flat key and spline shaft extensions, complying with industrial standards
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Versatile applications: Suitable for both industrial and mobile hydraulic systems
5. Other Variable Displacement Piston Pump Series
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PVH Series: High-pressure variant of PV series with enhanced load capacity and durability
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PVM Series: Medium-displacement models (40-80 cm³/rev) for general industrial applications
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Custom configurations: Available with various control options including proportional electro-hydraulic, load sensing, and two-pressure control, tailored to specific customer needs
Technical Specifications Overview
|
Parameter
|
Range
|
Units
|
|
Displacement
|
10-125
|
cm³/rev (0.610-7.63 cu.in./rev)
|
|
Max Pressure
|
276-350
|
MPa (4000-5075 PSI)
|
|
Speed Range
|
500-2000
|
r/min
|
|
Efficiency
|
>92 (overall), >98 (volumetric)
|
% (at 25 MPa, 1500 r/min)
|
|
Mounting
|
SAE standard flanges
|
Various sizes available
|
|
Fluid Compatibility
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Mineral oil, synthetic hydraulic fluids, fire-resistant hydraulic fluids
|
ISO VG 32-68
|
|
Temperature Range
|
-20 to +90
|
°C
|
Model Number Designation System
Denison uses a standardized model number system for easy identification of pump specifications:
Example: PV020-FR01A-10
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PV: Series (PV Series Variable Displacement Piston Pump)
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020: Geometric displacement (20 cm³/rev)
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FR: Control type (Pressure Compensator)
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01: Mounting type (SAE standard flange)
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A: Shaft type (Flat key shaft)
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10: Production code
Application Areas
Denison variable displacement piston pumps are widely used in:
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Plastic injection molding machines
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Die casting and forging equipment
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Rubber processing machinery
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Hydraulic presses
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Construction and agricultural machinery
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Machine tools
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Industrial automation systems
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Mobile hydraulic equipment
Key Advantages
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Energy efficiency: High overall efficiency reduces operating costs and energy consumption
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Reliability: Robust design and contamination resistance ensure long service life with minimal maintenance
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Flexibility: Multiple control options and installation configurations to match specific system requirements
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Low noise operation: Improves workplace environment and reduces noise pollution
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Interchangeability: SAE standard mounting and oil port connections enable easy replacement with other pumps
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Global support: Comprehensive technical assistance and spare parts availability worldwide
Notes
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Product specifications are subject to change without notice
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For detailed dimensional drawings, installation guidelines, and maintenance instructions, refer to the individual product catalogs and instruction manuals
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The case pressure shall not exceed the suction pressure by 0.9 bar (15 psi); refer to the “Technical Parameters” for the maximum case pressure limit
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Contact Denison sales representatives for customized solutions or specific application requirements
