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Help CenterEaton Vickers PVQ40AR01AB10G2100000200100CD0A Variable Displacement Piston Pump
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Eaton Vickers PVQ40AR01AB10G2100000200100CD0A Variable Displacement Piston Pump
Overview
The Eaton Vickers PVQ40AR01AB10G2100000200100CD0A (also cross-referenced under Rexroth listings) is a high-performance, variable displacement axial piston pump from the PVQ series. Designed for open-circuit hydraulic systems, this pump is engineered to deliver precise flow and pressure control with exceptionally low noise levels. It is a versatile and efficient power source for a wide range of industrial applications requiring reliable, high-pressure hydraulic power.
Technical Features
Variable Displacement Axial Piston Design – The pump features an in-line, variable displacement piston design with a displacement of 41.0 cm³/rev (2.50 in³/rev). Its innovative design utilizes a unique timing feature that minimizes noise and reduces pressure pulses in the outlet flow.
High Pressure Capability – The pump is rated for a maximum continuous operating pressure of 210 bar (3,000 psi), with an intermittent peak capability of 230–250 bar. This makes it suitable for demanding industrial applications.
SAE B Two-Bolt Flange Mounting – The pump features an SAE B two-bolt mounting flange, ensuring easy and secure installation in existing systems.
Clockwise Rotation and Shaft Configuration – Designed for clockwise rotation (viewed from the shaft end), the pump features a SAE B straight shaft with a diameter of 22.2 mm (0.88 inches) and a standard flat key (SAE J744-22-1).
NBR Seals – Equipped with Nitrile Butadiene Rubber (NBR) seals, the pump is compatible with a wide range of hydraulic fluids, including mineral oils, petroleum-based fluids, and synthetic oils. It also offers compatibility with water-containing and phosphate ester fluids.
Electro-Hydraulic Dual Pressure Compensator – The pump incorporates a sophisticated electro-hydraulic dual pressure control (CD0A). This allows the pump to automatically switch between two preset pressure levels: a low pressure of 100 bar and a high pressure of 210 bar. The switching is controlled by an electromagnetic valve, enabling efficient energy management.
Mechanical Displacement Limiter – The pump includes a mechanical adjustable maximum displacement limiter, allowing the maximum output flow to be set according to specific application needs.
Standard Porting Configuration – It features end ports with SAE straight thread O-ring connections (SAE J514). The suction port is 1.875-12 UN-2B, and the pressure port is 1.3125-12 UN-2B, ensuring compatibility with standard hydraulic fittings.
Compact and Durable Construction – Constructed with a cast iron housing and designed with a hydraulically unloaded shaft, the pump is built for long service life and minimal wear. Its quiet operation is a hallmark of the PVQ series.
Core Functionalities
Variable Flow and Pressure Control – As a variable displacement pump, its output flow can be adjusted to precisely match system demands. The dual pressure compensator enables it to operate at a low pressure (100 bar) during idle or light-load phases and instantly switch to high pressure (210 bar) when full power is required, optimizing energy efficiency.
Energy-Efficient Operation – By automatically reducing displacement during periods of low demand, the pump minimizes power loss, heat generation, and overall energy consumption, contributing to reduced operating costs.
Quiet and Low-Pulsation Performance – The pump is designed to operate with extremely low noise levels, often quieter than the driving motor. Its unique timing feature minimizes pressure pulsations, ensuring smooth and stable system operation.
High System Stability – The low-pulsation characteristics reduce pressure fluctuations and shocks in the hydraulic system, enhancing stability and extending the lifespan of system components.
Versatile Integration – The pump features a standard mounting flange and porting, allowing for easy integration into new or existing hydraulic systems. It supports both petroleum-based and synthetic fluids, providing flexibility for various applications.
Application Sectors
The Eaton Vickers PVQ40 variable displacement piston pump is widely used across industries that require reliable, efficient, and quiet hydraulic power in open-circuit systems. The pump is also offered with a through-drive configuration to accommodate tandem pumps and multi-circuit systems, making it adaptable to complex machine designs.
Injection Molding Machines – Providing precise pressure and flow control for clamping, injection, and ejection functions, enabling high-quality part production.
Machine Tools – Powering clamping systems, tool changers, and feed drives in CNC machines, milling machines, and lathes.
Die-Casting Machinery – Delivering high-pressure hydraulic power for die-clamping and injection processes in metal casting operations.
Metal Forming Equipment – Powering presses, shears, and other forming machinery requiring reliable high-pressure hydraulic power.
Oil and Gas Equipment – Serving as a hydraulic power source for various drilling and processing equipment.
Primary Metals and Mining – Providing hydraulic power for heavy-duty applications such as conveyor systems, crushers, and material handling equipment.
General Industrial Hydraulics – Powering hydraulic presses, test rigs, conveyor systems, and a wide range of other industrial machinery.
Performance Specifications
| Specification | Value |
|---|---|
| Manufacturer | Eaton Vickers (now Danfoss) |
| Series | PVQ (Silent Series) |
| Model Code | PVQ40AR01AB10G2100000200100CD0A |
| Product Type | Variable displacement axial piston pump |
| Circuit Type | Open circuit |
| Maximum Displacement | 41.0 cm³/rev (2.50 in³/rev) |
| Maximum Continuous Pressure | 210 bar (3,000 psi) |
| Intermittent Peak Pressure | 230–250 bar |
| Rotation Direction | Clockwise (viewed from shaft end) |
| Mounting Flange | SAE B two-bolt flange |
| Shaft Type | SAE B straight shaft, φ22.2 mm with flat key |
| Port Configuration | End ports, SAE O-ring (J514) |
| Suction Port | 1.875-12 UN-2B |
| Pressure Port | 1.3125-12 UN-2B |
| Seals | NBR (nitrile rubber) |
| Control Type | Electro-hydraulic dual pressure compensator (CD0A) |
| Low Pressure Setting | 100 bar |
| High Pressure Setting | 210 bar |
| Displacement Limiter | Mechanical adjustable maximum displacement |
| Housing Material | Cast iron |
| Key Features | Ultra-low noise, low pulsation, energy efficient, dual pressure control |
Conclusion
The Eaton Vickers PVQ40AR01AB10G2100000200100CD0A is a reliable, efficient, and exceptionally quiet variable displacement axial piston pump. With its 41.0 cm³/rev displacement, pressure rating of 210 bar, and innovative electro-hydraulic dual pressure compensator, it delivers precise, energy-efficient power for a wide range of industrial applications.
Its defining features include a variable displacement design for flow optimization, ultra-low noise and low pulsation operation, a dual pressure control system for enhanced energy efficiency, and a robust cast iron construction for long service life. These attributes make it an ideal solution for injection molding machines, machine tools, die-casting machinery, metal forming equipment, and general industrial hydraulics.
As a proven component in the Eaton Vickers PVQ series, this pump delivers consistent performance, energy efficiency, and long-term reliability for equipment across numerous industries.
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