Danfoss JRR & JRL Pump | JRRS45, JRLS75 | ERR Series | Load Sensing Piston Pump

Danfoss JRR, JRL & ERR Series Open Circuit Variable Piston Pumps

Product Overview: The Danfoss JR series (JRR/JRL) and ERR series are lightweight, high-performance axial piston variable pumps specifically engineered for open-circuit systems. This range covers the essential 45cc (JRRS45) and 75cc (JRLS75) displacement gradients. Featured models include the JRRS45 BLS1925… and JRLS75 BLS1830…. Utilizing advanced swashplate technology and LS (Load Sensing) control logic, these pumps dynamically modulate flow and pressure according to actuator demands, significantly boosting overall energy efficiency. With their compact frame and quiet operation, they serve as the premier hydraulic power source for mowers, telehandlers, material handlers, and agricultural equipment.

Key Technical Advantages:

• Precision Load Sensing (LS) Control: Senses real-time load demand and provides only the required flow and pressure, effectively minimizing heat generation and fuel consumption.

• Compact Frame Engineering: Optimized for confined engine compartments, providing high power output while maintaining exceptional installation flexibility.

• Low-Noise Technology: Balanced rotating groups minimize vibration and operational noise, making them ideal for equipment with strict environmental sound level requirements.

• Long-Life Rotating Groups: Features hardened pistons and slippers designed to handle frequent cycle transitions and diverse mineral-based hydraulic fluids.

• High Versatility: Offers a wide variety of flanges, shafts, and control options for seamless integration into existing hydraulic architectures.

Detailed Models & Parameters:

• Core Series: Danfoss JRR (Right), JRL (Left), ERR Series.

• Model Keywords: JRRS45, JRLS75, ERR100, ERR130.

• Full Config Codes: JRRS45 BLS1925NNN3C2N9A8NNNNJJJBNR, JRLS75 BLS1830NNN3S1VEA9NNNNJJJNNN.

• Displacements: 45 cm³/rev (2.75 in³), 75 cm³/rev (4.58 in³).

• Pressure Ratings: Rated at 210-280 Bar (3045-4060 PSI); Peak capability up to 350 Bar (5100 PSI).

• Rotation: R (Clockwise); L (Counter-clockwise).

• Target Applications: Material handlers, professional mowers, telehandlers, and compact agricultural machinery.