Eckerle IGP5 Series Internal Gear Pump | IGP5-040 IGP5-050 IGP5-063 Replacement

Genlu Hydraulic proudly introduces our industrial-grade IGP Series internal gear pumps, engineered for high-pressure closed-loop systems such as injection molding and die-casting machines. This series is fully engineered to match global standards, providing a seamless, high-value drop-in replacement for Eckerle IGP original equipment, with precise coverage for the IGP5 range, including IGP5-H040, IGP5-H050, IGP5-H063, and the IGP5-032-L01/10 series.

Renowned for “ultra-low pulsation” and “high volumetric efficiency,” Genlu IGP pumps are the ideal power source for precision P-Q (Pressure-Flow) control systems. Genlu guarantees 100% Drop-in Interchangeability across mounting flanges, shaft splines, port configurations, and internal pressure-compensation architectures compared to original Eckerle assemblies. Every pump undergoes 100% full-pressure load and dynamic noise verification on our digital benches, certifying consistent, silent, and highly efficient operation for critical industrial applications.

Technical Specifications 

• Product Series: IGP5 Series High-Pressure Internal Gear Pump

• Representative Models: IGP5-H040, IGP5-H050, IGP5-H063, IGP5-032-L01/10

• Nominal Operating Pressure: 250 – 300 bar (Application-dependent)

• Peak Transient Pressure: 320 bar

• Displacement Range: 32 cc/rev to 63 cc/rev (IGP5 Series)

• Operating Speed Range: 500 – 3000 rpm

• Pump Architecture: Pressure-compensated internal gear design

• Drive Shaft Specification: Standard Involute Spline or Keyed Shaft

• Noise Emission: Low ($< 68 \text{ dB(A)}$ at rated pressure)

• Compatible Hydraulic Fluids: Mineral hydraulic oils, fire-resistant fluids

Key Technical Advantages:

• Advanced Axial & Radial Pressure Compensation: Precision compensation plates dynamically adjust gear clearances under high pressure, minimizing internal leakage and maintaining volumetric efficiency above 95% even under extreme loads.

• Smooth Flow Characteristics: Numerically optimized gear profiles ensure continuous, smooth fluid delivery, effectively eliminating pressure ripples. This provides the stable flow necessary for precision injection molding positioning and pressure control.

• High-Endurance Gear Components: Gears are manufactured from hardened alloy steel with deep nitriding treatment, ensuring high fatigue strength and wear resistance throughout intensive, high-pressure duty cycles.

• Thermal Stability & Sealing Integrity: Matched thermal expansion coefficients and premium FKM seals ensure reliable performance under high operating temperatures, preventing common high-pressure seal degradation and leakage.

Application Areas:

• Servo-Hydraulic Injection Molding: Power source for high-precision, closed-loop P-Q control.

• Industrial Die-Casting Equipment: Power source for high-pressure injection and mold locking.

• Heavy-Duty Industrial Presses: Applications requiring low-noise operation and high-frequency dynamic response.

Expert Maintenance Tips:

• Ensure Non-Restrictive Suction Flow: IGP5 pumps are sensitive to inlet conditions. Ensure suction lines are appropriately sized to prevent cavitation. Cavitation can cause immediate gear-tip damage and pressure decay; ensure suction filters have high-flow bypass capacity.

• Strict Fluid Contamination Control: Maintain fluid cleanliness at ISO 4406 18/16/13. Fine particles between the compensation plates and gear surfaces are the primary cause of accelerated internal wear. Replace filter elements regularly.

• Perform Initial Priming: Manually fill the pump with clean hydraulic fluid through the inlet port before mounting. Perform “jog” startup cycles to purge system air completely; air entrapment is the leading cause of increased noise and premature wear in high-pressure internal gear pumps.