Product Overview
The Rexroth AP2D18LV3RS7-872-1 (EC133S87221) is a high-performance axial piston pump engineered for demanding mobile and industrial hydraulic systems. Featuring a compact swashplate-type axial piston design, this variable displacement pump delivers precise flow control and high volumetric efficiency across a wide operating range. The AP2D series is widely recognized for its robust construction, responsive displacement control, and ability to maintain stable performance under continuous duty cycles. With a nominal displacement of 18 cm³/rev, this pump is ideally suited for applications requiring accurate actuator speed control and energy-efficient hydraulic power delivery. The LV3RS7 control configuration provides load-sensing capability with pressure and flow compensation, ensuring optimal system response and reduced heat generation.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Axial Piston Pump (Variable Displacement) |
| Model Designation | AP2D18LV3RS7-872-1 / EC133S87221 |
| Nominal Displacement | 18 cm³/rev |
| Operating Pressure | Up to 280 bar (continuous), 315 bar (peak) |
| Control Type | Load Sensing with Pressure & Flow Compensation (LV3RS7) |
| Mounting & Connection | Standard SAE / ISO Flange Interface |
| Rotation Direction | Clockwise (viewed from shaft end) |
| Shaft Type | Straight Keyed Shaft |
Engineering Features & Advantages
- Precision Swashplate Design: The axial piston swashplate mechanism ensures smooth, infinitely variable displacement control with minimal pressure ripple and high volumetric efficiency, enabling precise actuator speed regulation.
- Load-Sensing Control (LV3RS7): Integrated load-sensing and pressure compensation delivers flow-on-demand, significantly reducing energy consumption and system heat generation compared to fixed-displacement solutions.
- High Power Density: Compact footprint with 18 cm³/rev displacement provides excellent power-to-weight ratio, ideal for space-constrained mobile hydraulic installations.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with hardened piston shoes, precision-ground cylinder bores, and robust bearing arrangements for extended service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification.
Typical Industrial Applications
This Rexroth AP2D18 axial piston pump is commonly deployed in plastic injection molding machines, metallurgical presses, construction and earthmoving equipment, marine hydraulic systems, CNC machine tools, and mobile machinery requiring precise load-sensing hydraulic power. Its variable displacement capability makes it particularly suited for applications demanding accurate flow control, energy efficiency, and reliable performance under high-pressure continuous duty cycles.
PRODUCT IMAGES
REXROTH AP2D18LV3RS7-872-1 / EC133S87221 Axial Piston Pump
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH AP2D18LV3RS7-872-1 / EC133S87221 Axial Piston Pump. This Germany-made hydraulic pump features a variable displacement design, delivering reliable, high-pressure fluid power for heavy-duty industrial systems.
