A2VK28MAGL1G1PE2-SO2 A2VK55MARL1G0PE1-SO2 A2VK55MARL1G0PE2-SO2 Rexroth A2VK series variable displacement piston pump: A2VK28/A2VK55 metering hydraulic piston pump, original from Germany
The Rexroth A2VK series represents a premium line of variable displacement axial piston pumps designed for high-performance hydraulic applications. These pumps are engineered for precise metering and pumping of polyurethane components, offering exceptional accuracy and reliability in demanding industrial environments.
- Displacement: 28 cm³/rev
- Configuration: Variable displacement, closed circuit
- Control: Hydraulic/mechanical servo
- Special Features: SO2 corrosion protection, high metering accuracy
- Displacement: 55 cm³/rev
- Configuration: Variable displacement, closed circuit
- Control: Hydraulic/mechanical servo
- Special Features: SO2 corrosion protection, robust design
- Displacement: 55 cm³/rev
- Configuration: Variable displacement, closed circuit
- Control: Hydraulic/mechanical servo
- Special Features: SO2 corrosion protection, optimal for medium flow applications
| Parameter | Specification |
|---|---|
| Nominal Pressure | 250 bar |
| Maximum Pressure | 315 bar |
| Speed Range | 2500-3600 rpm |
| Displacement Range | 12-107 cm³/rev |
| Circuit Type | Closed loop |
| Control Type | Hydraulic/mechanical servo |
| Mounting | SAE/ISO standard |
| Rotation | Clockwise (R1 configuration) |
| Material | Cast iron, cast steel, bronze, ductile iron |
| Corrosion Protection | SO2 standard |
Exceptional metering precision with reproducible variable flow volumes, ensuring consistent performance in polyurethane component applications.
Swash plate design with specially matched materials and sealing elements, compatible with polyol and isocyanate media for long service life.
Advanced design minimizes flow pulsation, even when pumping highly viscous fluids, resulting in smooth operation and reduced system stress.
Engineered for low-noise operation, making these pumps suitable for noise-sensitive environments and applications requiring minimal acoustic impact.
SO2 protection ensures reliable operation in harsh environments and with aggressive media, extending pump life and reducing maintenance costs.
- Polyurethane foam injection and metering systems
- Construction machinery and mobile equipment
- Material handling systems
- Industrial machinery and machine tools
- Marine hydraulic systems
- Mining and metallurgical equipment
- Agricultural and forestry vehicles
- Ensure proper alignment with drive shaft
- Use recommended mounting hardware
- Verify correct rotation direction
- Check oil level and quality before operation
- Prime pump before initial startup
- Regular inspection of shaft seals and bearings
- Monitor oil temperature and pressure
- Check for leaks and unusual noises
- Replace filters as recommended
- Maintain proper oil level and quality
The nominal operating pressure is 250 bar, with a maximum pressure rating of 315 bar for intermittent operation.
Yes, the A2VK series is specifically designed for pumping and metering polyurethane components (polyol and isocyanate) with high accuracy and material compatibility.
SO2 indicates special corrosion protection, making the pump suitable for harsh environments and aggressive media.
Standard delivery time is 5-8 days for in-stock items, with custom configurations requiring additional lead time.
Regular maintenance includes checking oil quality, monitoring for leaks, inspecting shaft seals, and replacing filters as recommended. The pumps are designed for minimal maintenance with proper installation and operation.
All Rexroth A2VK series pumps come with a manufacturer's limited warranty. Technical support and spare parts are available through authorized distributors and service centers worldwide. For technical assistance or to place an order, please contact our sales team.
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