Marzocchi Type ALM2 Hydraulic Gear Pump | ALM2-R-20, ALM2-R-34, ALM2-R-37 | High Pressure Pump
| Model Number | ALM2-R-34-E1, ALM2-R-37-E1, ALM2-R-20-E1 |
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Product Description
Marzocchi Type ALM2 Series High-Performance Hydraulic Gear Pumps
Product Overview: The ALM2 Series is synonymous with “Efficiency and Lightweight” in the hydraulic power transmission industry. Engineered with a high-tensile extruded aluminum alloy body and precision-ground gear sets, this series is designed specifically for industrial applications requiring high power density and extreme reliability. This featured range includes core specifications: ALM2-R-20-E1, ALM2-R-34-E1, and the high-displacement ALM2-R-37-E1. Utilizing advanced automated axial gap compensation, the ALM2 series maintains a volumetric efficiency above 95% even under continuous high-pressure conditions, making it the premier choice for OEM replacement and system upgrades.
Key Technical Advantages:
Exceptional Power-to-Weight Ratio: The specially treated high-strength aluminum housing withstands high pressures (up to 28 MPa) while significantly reducing overall machinery weight.
Axial Gap Compensation: Equipped with floating bushing technology that real-time adjusts side clearances based on load pressure, minimizing internal leakage and ensuring consistent flow delivery.
Low-Noise Gear Meshing: Optimized gear profiles drastically reduce fluid pulsation and mechanical noise, providing a better working environment for operators.
Standardized E1 Configuration: Strictly adheres to the industrial E1 mounting protocol (covering flange pilots and port specifications), ensuring seamless compatibility with global hydraulic systems.
Target Applications: Industrial press power units, construction steering pumps, material handling gear, agricultural harvesters, and various open/closed-loop hydraulic circuits.
Detailed Models & Parameters:
Core Series: ALM2 High-Performance Series.
Model Keywords: ALM2-R-20-E1, ALM2-R-34-E1, ALM2-R-37-E1.
Displacements (cm³/rev): Precision options including 20cc, 34cc, and 37cc specifications.
Pressure Ratings: Rated at 23-25 MPa (250 Bar / 3625 PSI); Peak pressure capability up to 28 MPa.
Technical Codes: R (Clockwise Rotation); E1 (Specific flange and shaft connection protocol).



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