REXROTH A10VSO 18 DFR1/31R-VPA12N00 / R910991846

Product Overview

The Rexroth A10VSO 18 DFR1/31R-VPA12N00 (Material Number: R910991846) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for open-circuit industrial hydraulic systems. Featuring a swashplate design with a nominal displacement of 18 cm³/rev, this pump delivers precise, load-sensing flow control through its DFR1 control configuration, which combines pressure and flow (load-sensing) regulation. The A10VSO series is globally recognized for its high power density, rapid response characteristics, and exceptional volumetric efficiency, making it a benchmark component in demanding industrial machinery requiring reliable variable flow and pressure control.

Technical Specifications

Parameter	Specification / Feature
Component Type	Hydraulic Piston Pump (Axial Piston, Variable Displacement)
Model Designation	A10VSO 18 DFR1/31R-VPA12N00 / R910991846
Nominal Displacement	18 cm³/rev
Control Type	DFR1 — Pressure & Flow Control (Load Sensing)
Operating Pressure	Continuous up to 280 bar; Peak up to 350 bar
Mounting & Connection	SAE / ISO Standard Flange, Splined Drive Shaft
Circuit Type	Open Circuit
Direction of Rotation	Clockwise (viewed from drive shaft)

Engineering Features & Advantages

Precision Swashplate Performance: The axial piston swashplate design enables infinitely variable displacement, delivering exact flow matching to system demand and minimizing energy losses through efficient load-sensing control.
DFR1 Load-Sensing Control: Integrated pressure and flow controller maintains constant pump pressure differential relative to load, optimizing system efficiency and reducing heat generation in multi-actuator circuits.
Industrial Reliability: Built for continuous operation under severe industrial conditions with robust bearing and piston-shoe design ensuring long service life and stable performance.
Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Rexroth A10VSO specifications, ensuring drop-in interchangeability without modification.

Typical Industrial Applications

This pump is ideally suited for plastic injection molding machines, metallurgical presses, CNC machine tools, and general industrial hydraulic power units. Its precise load-sensing control makes it particularly effective in applications requiring variable flow with high repeatability, such as die-casting equipment, marine hydraulic systems, and heavy-duty construction machinery.

PRODUCT IMAGES

REXROTH A10VSO 18 DFR1/31R-VPA12N00 / R910991846 Axial Piston Variable Displacement 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 A10VSO 18 DFR1/31R-VPA12N00 / R910991846 Axial Piston Variable Displacement Pump. This Germany-made hydraulic pump features a pressure-flow controller, delivering leak-free, reliable fluid control for heavy-duty industrial systems.