Rexroth A11VO190 Series Pump | A11VO190LR3DH1, A11VO190DRG | 350 Bar Variable Pump
| Model Number | A11VO190 |
|---|
Product Description
Rexroth A11VO190 Series Heavy-Duty Axial Piston Variable Pump
Product Overview: The Rexroth A11VO190 series is a high-performance swashplate-type axial piston variable pump engineered for Open Circuit high-pressure hydraulic systems. As a large-displacement model (190cc) within the A11V family, the A11VO190 is renowned for its exceptional power density and stability under extreme shock loads. It is the primary power source for crawler machinery, large-scale drilling rigs, and industrial HPUs. Advanced configurations like DRG remote pressure control and LR3DH1 intelligent power regulation ensure a precise match between hydraulic power output and complex operational demands.
Key Technical Advantages:
Heavy-Duty High-Pressure Performance: Built for grueling environments, the A11VO190 supports a rated pressure of 350 Bar and peak cycles up to 400 Bar. Reinforced rotating groups and swashplate supports maintain peak volumetric efficiency under continuous heavy loads.
Precise Control Options (DRG/LR3DH1): * DRG Models: Feature remote pressure compensation, allowing operators to adjust the system’s maximum pressure remotely via pilot lines for flexible operation.
LR3DH1 Models: Integrate constant power control, pressure cut-off, and hydraulic pilot regulation to dynamically optimize energy allocation based on load, significantly reducing fuel consumption.
Superior Reliability Design: Utilizing specially treated swashplate bearings and low-friction materials, the A11VO190 maintains peak mechanical efficiency even in high-temperature or low-viscosity environments.
Standard-Setting Compactness: The N00 specification ensures a streamlined housing for single-pump applications while maintaining the robust structural integrity required for heavy-duty cycling.
Detailed Models & Technical Parameters:
Core Models: A11VO190 (Series 11).
Detailed Config Codes: A11VO190DRG/11R-NPD12N00, A11VO190LR3DH1/11RNZD12N00.
Displacement: 190 cm³/rev (190cc).
Pressure Ratings: Rated at 350 Bar (35 MPa / 5100 PSI); Peak cycles up to 400 Bar (40 MPa).
Control Methods: DRG (Remote Pressure Compensation), LR3DH1 (Power/Pressure Control with Hydraulic Pilot Adjust).







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