Galtech HPLPA HPLPB Hydraulic Gear Pump | HPLPA114 HPLPA180 HPLPB220 | High Pressure Pump

LIC Hydraulic’s Galtech (Walvoil) HPLPA & HPLPB Series high-pressure external gear pumps are the premier choice for high-performance mobile and industrial hydraulic systems. Covering a wide range of models including HPLPA114, 131, 148, 180, and HPLPB220, this series features a robust combination of a high-tensile aluminum body and cast iron covers. We guarantee 100% Drop-in Interchangeability with original Galtech specifications, ensuring seamless field replacement. Every unit is subjected to 100% simulated load testing to verify that its volumetric efficiency and structural integrity meet OEM standards under peak pressure cycles.

Technical Specifications (Bulleted List)

• Series Series: HPLPA (Group 2) / HPLPB (Group 3)

• Target Models: HPLPA114, HPLPA131, HPLPA148, HPLPA180, HPLPB220

• Displacement Range: 14.4 cm³/rev (114) to 22.0 cm³/rev (HPLPB220)

• Continuous Pressure (P1): 250 bar (3625 PSI)

• Intermittent Pressure (P2): Up to 280 bar (4060 PSI)

• Peak Pressure (P3): Up to 300 bar (4350 PSI)

• Speed Range: 600 RPM – 3500 RPM

• Construction Material: High-tensile extruded aluminum (Body) + Cast Iron (Covers)

• Shaft Options: Splined, Keyed, and Tapered shafts

• Control Type: Fixed Displacement

Key Technical Advantages

• Axial Clearance Compensation: Equipped with floating pressure plates that automatically compensate for axial clearance via hydrostatic pressure, maintaining over 95% volumetric efficiency throughout the pump’s service life.

• High-Load DU Bearings: Features specialized self-lubricating DU composite bushings that offer superior radial support and resistance to fatigue, ensuring reliable performance under high-shock loading.

• Advanced Sealing Integrity: Utilizing high-grade NBR or Viton seals designed for high extrusion resistance, these pumps effectively prevent external leakage even in high-temperature or high-back-pressure environments.

• Optimized Low-Noise Gears: The 12-tooth precision-ground gear set minimizes fluid ripples and entrapment, reducing operational noise by up to 8 dB compared to standard external gear pumps.

Application Areas

• Agricultural Machinery: Tractor hitch systems, seeder hydraulic circuits, and harvester auxiliary drives.

• Material Handling: Main lift pumps for forklifts and telehandler steering systems.

• Industrial Power Units (HPU): Small presses, municipal equipment, and secondary hydraulic circuits.

Expert Maintenance Tips

• Rotation Check: Verify the rotation direction (e.g., Code ‘D’ for Clockwise or ‘S’ for Counter-Clockwise) before installation. Operating in the wrong direction will result in immediate shaft seal failure.

• Inlet Vacuum Monitoring: Ensure the inlet vacuum does not exceed 0.3 bar. Excessive vacuum leads to cavitation, which scores the aluminum housing and destroys the pump.

• Filtration Standards: To protect the precision gear set, maintain system cleanliness at ISO 4406 19/17/14 or better. Regular oil analysis is highly recommended for critical B2B operations.

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