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Help CenterRexroth PVV2-1X/045RA15UMB Fixed Displacement Vane Pump
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Rexroth PVV2-1X/045RA15UMB Fixed Displacement Vane Pump
Overview
The Rexroth PVV2-1X/045RA15UMB is a robust and efficient fixed displacement vane pump from Bosch Rexroth's PVV series. Engineered for open-circuit industrial hydraulic systems, this pump delivers a steady, reliable flow at defined speeds, making it an ideal power source for a wide range of medium to high-pressure applications.
Technical Features
Fixed Displacement Design – The pump has a fixed displacement of 45 cm³/rev (45.8 cm³/rev in some specifications), providing a consistent and predictable flow output to downstream actuators.
High Pressure Capability – The pump is rated for a maximum continuous operating pressure of 210 bar, with a peak pressure capacity of 250 bar. This makes it suitable for demanding industrial applications requiring high hydraulic power.
Flow Rate Performance – At 1,500 rpm, the pump delivers a flow rate of 65 L/min, providing ample hydraulic power for various medium to heavy-duty systems.
Clockwise Rotation – The pump is designed for clockwise rotation when viewed from the shaft end, as indicated by the "R" in the model code.
Wide Speed Range – The pump operates within a speed range of 600 to 1,800 rpm, ensuring flexibility across a wide range of applications.
SAE-B Mounting Flange – The pump features a standard SAE-B mounting flange (with pilot diameter 101.6 mm and bolt circle 146 mm), ensuring easy integration into existing systems.
SAE Port Connections – The pump is equipped with an SAE 1 inch pressure port (Code 61) and an SAE 1 1/2 inch suction port, facilitating straightforward plumbing.
Low Noise and Low Pulsation – The PVV2-1X series is known for its low noise and minimal pulsation levels, contributing to a quieter working environment and reducing system vibrations.
Hydraulically Unloaded Vanes – The innovative design hydraulically unloads the vanes, significantly reducing wear and extending the service life of the pump. The double-eccentric stator ring design also hydraulically unloads the shaft, allowing it to transmit only torque.
Easy Maintenance – The pump features a cartridge design that allows for fast access to the pump insert without the need to disassemble the entire unit, making service interventions quick and cost-effective.
Durable Construction – The cast iron housing ensures durability in demanding environments.
Sealing and Fluid Compatibility – Equipped with NBR seals, the pump is compatible with HLP hydraulic fluids and other common industrial hydraulic oils.
Double Pump Configuration – For systems requiring higher flow rates or redundancy, this model can be configured as part of a double pump setup by combining two pump kits on a single shaft, allowing independent control over each pump's pressure ports while maintaining a compact footprint.
Core Functionalities
Fixed Flow Delivery – As a fixed displacement pump, it delivers a constant flow rate proportional to its drive speed, providing predictable and reliable hydraulic power.
Energy-Efficient Operation – The hydraulically unloaded vanes and shaft design minimize internal friction and wear, contributing to high efficiency and reduced energy consumption.
Low Pulsation for System Stability – The low pulsation characteristics reduce pressure fluctuations and shocks in the hydraulic system, enhancing stability and extending equipment lifespan.
Reliable and Low Maintenance – The robust design, cartridge construction, and high-quality materials ensure reliable operation with minimal maintenance, reducing downtime and total cost of ownership.
Application Sectors
The Rexroth PVV2-1X/045RA15UMB is widely used across industries that require reliable, efficient, and low-noise hydraulic power in open-circuit systems.
Machine Tools – Powering clamping systems, tool changers, hydrostatic bearings, and feed drives in CNC machines, milling machines, lathes, and grinding machines.
Industrial Automation – Serving as a power source for automated production lines, assembly systems, and material handling equipment.
General Industrial Hydraulics – Powering hydraulic presses, test rigs, and various industrial machinery requiring medium to high-pressure operation.
Plastic Machinery – Providing hydraulic power for injection molding machines and extruders.
Mobile Hydraulics – Suitable for applications in construction and agricultural equipment.
Steel and Metallurgy – Providing hydraulic power for rolling mills, continuous casting lines, and other steel mill equipment.
Performance Specifications
| Specification | Value |
|---|---|
| Manufacturer | Bosch Rexroth |
| Series | PVV (PVV2-1X) |
| Model Code | PVV2-1X/045RA15UMB |
| Product Type | Fixed displacement vane pump |
| Circuit Type | Open circuit |
| Displacement | 45 cm³/rev (45.8 cm³/rev) |
| Maximum Continuous Pressure | 210 bar |
| Maximum Peak Pressure | 250 bar |
| Maximum Flow Rate | 65 L/min (at 1,500 rpm) |
| Speed Range | 600 – 1,800 rpm |
| Rotation Direction | Clockwise (viewed from shaft end) |
| Mounting Flange | SAE-B (pilot 101.6 mm, bolt circle 146 mm) |
| Pressure Port | SAE 1 inch (Code 61) |
| Suction Port | SAE 1 1/2 inch |
| Seals | NBR |
| Housing Material | Cast iron |
| Weight | Approx. 18 kg |
| Minimum Inlet Pressure | 0.8 bar absolute |
| Fluid Temperature Range | -10 °C to +70 °C |
| Viscosity Range | 13 – 160 mm²/s |
Conclusion
The Rexroth PVV2-1X/045RA15UMB is a reliable, efficient, and versatile fixed displacement vane pump that exemplifies Bosch Rexroth's expertise in hydraulic technology. With its 45 cm³/rev displacement, pressure rating of 210 bar continuous (250 bar peak), flow rate of 65 L/min at 1,500 rpm, and SAE-B mounting, it delivers consistent, low-pulsation hydraulic power for a wide range of industrial applications.
Its defining features include a fixed displacement design for predictable flow, hydraulically unloaded vanes and shaft for reduced wear and high efficiency, low noise and low pulsation operation, easy maintenance with a cartridge design, robust cast iron construction, and flexible double pump configuration capability. These attributes make it an ideal solution for machine tools, industrial automation, general industrial hydraulics, plastic machinery, mobile hydraulics, and steel mill equipment.
As a proven component in the Rexroth PVV series, the PVV2-1X/045RA15UMB delivers consistent performance, energy efficiency, and long-term reliability for equipment across numerous industries.
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