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Stacker Power Unit
A compact hydraulic power unit for stackers, equipped with a high-pressure gear pump, DC motor and manual release valve. Available with 12VDC or 24VDC motors.
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- Overview
Introduction
This power unit is designed for stackers and integrates a high-pressure gear pump, DC motor, multifunctional manifold, valves and tank. Raising and lowering are controlled by the lever of the manual release valve, which incorporates an electric switch to start the motor. Lowering speed is automatically regulated by the pressure-compensated flow control valve.
External Dimension Drawing
Working Principle
Model and Specifications
| Model | Motor Voltage | Motor Power (kW) | Rated Speed (rpm) | Pump Displacement (ml/rev) | System Pressure (MPa) | Tank Capacity (L) | L (mm) |
|---|---|---|---|---|---|---|---|
| YBZ5-F1.2A1W1/WUAZD9 | 12VDC | 1.5 | 2500 | 1.2 | 20 | 3.5 | 409 |
| YBZ5-F1.6B1W1/WUAZD9 | 12VDC | 1.5 | 2500 | 1.6 | 20 | 5 | 459 |
| YBZ5-F2.1B1W1/WUAZD9 | 12VDC | 1.5 | 2500 | 2.1 | 20 | 5 | 459 |
| YBZ5-F2.1B2A1/WUAZD9 | 24VDC | 2 | 2500 | 2.1 | 20 | 6 | 509 |
| YBZ5-F2.5C2A1/WUAZD9 | 24VDC | 2 | 2500 | 2.5 | 20 | 8 | 579 |
| YBZ5-F2.7C2A1/WUAZD9 | 24VDC | 2 | 2500 | 2.7 | 20 | 8 | 579 |
Remarks
- Contact our sales engineer for other pump displacements, motor powers, pressures or tank capacities.
Precautions
- S3 intermittent duty: 30 seconds on and 270 seconds off. Continuous operation is not permitted.
- Clean all hydraulic components, cylinders, hoses and fittings before installing the power unit.
- Use clean hydraulic oil free of impurities, with a viscosity of 15-68 cSt. N46 hydraulic oil is recommended.
- Change the hydraulic oil after the first 100 operating hours and every 3,000 hours thereafter.
- Mount the power unit horizontally.
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