Parker PAVC Series Axial Piston Pump Replacement | PAVC33 PAVC38 PAVC65 PAVC100

Genlu Hydraulic proudly introduces our industrial-grade PAVC Series axial piston pumps. Fully engineered to match global standards, this series provides a seamless, high-value drop-in replacement for Parker PAVC original equipment. We specifically highlight our supply capability for precision-tuned units such as the PAVC33, PAVC38 (including PAVC38BR4C16, PAVC38BR4CM16, PAVC38BR4M16, and PAVC38L416), PAVC65, and PAVC100.

The PAVC series is renowned for its elite pressure-compensation reliability, low-noise operation, and compact footprint. Genlu guarantees 100% Drop-in Interchangeability across mounting flanges, shaft splines, port configurations, and pressure-regulation logic compared to original Parker PAVC assemblies. Every pump undergoes 100% full-pressure load and volumetric-efficiency verification on our digital test benches, certifying rugged, consistent performance for your most critical hydraulic systems.

Technical Specifications 

• Product Series: Parker PAVC Series Axial Variable Piston Pump

• Representative Models: PAVC33, PAVC38 (BR4C16/BR4CM16/BR4M16/L416), PAVC65, PAVC100

• Displacement Range: 33 cc/rev, 38 cc/rev, 65 cc/rev, 100 cc/rev

• Nominal Operating Pressure: 210 bar (3000 psi)

• Peak Transient Pressure: 250 bar (3600 psi)

• Maximum Rated Speed: 3000 rpm

• Control Type: Pressure Compensator / Load Sensing

• Shaft Options: Keyed Shaft / SAE Splined Shaft

• Approximate Unit Weight: 20 – 55 kg

Key Technical Advantages:

• Elite Pressure-Compensation Response: The integrated control valve is optimized via fluid-dynamic analysis, enabling rapid swashplate adjustments that provide smooth flow control and minimize system transients.

• Low-Noise Operation: Precision-molded internal flow paths reduce velocity fluctuations between suction and discharge chambers, maintaining whisper-quiet operation even at 3000 rpm.

• Hardened Rotating Group: Piston-slipper sets and valve plates are manufactured from high-strength alloy steels with specialized surface treatments, drastically improving wear resistance at high pressures.

• Rigid Housing Design: High-strength cast-iron housing provides superior structural integrity, absorbing high-frequency vibration and ensuring zero deformation under continuous high-pressure loads.

Application Areas:

• Industrial Manufacturing: Hydraulic presses, injection molding machines, and shearing equipment.

• Material Handling: Hydraulic systems for forklifts and aerial work platforms.

• Machine Tools: Automated production line hydraulics and drilling/milling feed power units.

Expert Maintenance Tips:

• Inlet Pressure Safeguard: PAVC pumps are highly sensitive to suction-side vacuum. Ensure inlet pressure stays between 0.8 – 2.0 bar to prevent cavitation, which causes catastrophic scoring of the valve plate.

• System Purging: Always purge trapped air via the pump housing’s air-bleed port during initial installation. Run the pump at low speed with no load for 10 minutes to flush the circuit completely.

• Strict Filtration Standards: Adhere to ISO 4406 18/16/13 standards. Keep operating temperatures between 30°C – 60°C to maintain optimal fluid viscosity and peak system efficiency.