Marzocchi Type Hydraulic Gear Pump | ALP1, ALP2, GHP1, GHP2, GHP3 | D-16, D-22, D-40
| Model Number | ALP1-D-16, ALP2-D-16, ALP2-D-22, GHP2A-D-16 |
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Product Description
Marzocchi Type ALP & GHP Series High-Performance Hydraulic Gear Pumps
Product Overview: The ALP and GHP Series are industry-leading power units recognized for their exceptional reliability and precision engineering. The ALP Series (including ALP1 and ALP2) utilizes a high-tensile aluminum alloy body to provide an outstanding power-to-weight ratio. The GHP Series (including GHP1, GHP2, and GHP3) enhances this design with high-performance cast iron flanges and end covers, specifically built for heavy-duty applications that endure high pressures and frequent shock loads. This featured range includes core specifications from the micro GHP1-D-6 to the heavy-duty GHP2-D-40 and GHP3-D-25, catering to requirements from precision control to high-power output.
Key Technical Advantages:
Hybrid Reinforced Construction (GHP Series): The cast iron end covers of the GHP series effectively suppress body deformation under high pressure, significantly extending service life in sustained high-pressure environments.
Superior Volumetric Efficiency: Equipped with advanced automated axial gap compensation, these pumps maintain a volumetric efficiency above 95% across the entire pressure range, minimizing system heat.
Quiet Meshing Technology: Precision-ground gear sets drastically reduce fluid pulsation and mechanical noise, enhancing the operator’s working environment.
Extensive Specification Range: Offers precise displacements ranging from 1.4cc to 120cc, covering single-stage configurations and various axial/flange mounting protocols for seamless OEM replacement.
Target Applications: Industrial presses, injection molding servo systems, forklift lifting, agricultural harvesters, and road sweepers.
Detailed Models & Parameters:
Core Series: ALP Series (Standard) & GHP Series (High Pressure).
Model Keywords: ALP2-D-16, ALP1-D-16, ALP2-D-22, GHP1-D-6, GHP2-D-40, GHP3-D-25, GHP2A-D-16.
Displacements (cm³/rev): Featuring precise specs: 6cc, 16cc, 22cc, 25cc, and 40cc.
Pressure Ratings: Rated at 23-25 MPa (250 Bar / 3625 PSI); Peak pressure capability up to 28 MPa.
Technical Codes: D (Clockwise Rotation); versatile flange and shaft configurations available.



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