MARZOCCHI gear pump

MARZOCCHI gear pump

1、 Brand Overview

MARZOCCHI, also known as Marzocchi Pompe, was founded in Modena, Italy in 1961. It is a leading global manufacturer of high-pressure gear pumps/motors, renowned for its high pressure, low noise, high efficiency, and high reliability. It is one of the brands of external gear pumps in the hydraulic industry.

2、 Core product series

1. GHP series (high-voltage main type)

Positioning: General high-pressure pump for industrial/engineering machinery, single/multi connection optional.

Specification: GHP1/GHP2/GHP3, displacement 2-87ml/r, continuous pressure 250bar, peak pressure 310bar.

Features: Aluminum alloy pump body+ductile iron flange, floating side plate gap compensation, volumetric efficiency ≈ 92%.

2. ALP series (lightweight aluminum alloy)

Positioning: Lightweight high-pressure pump, suitable for mobile machinery and space limited scenarios.

Specifications: ALP1/ALP2/ALP3, displacement 1.4-87ml/r, continuous 210bar, peak 310bar, maximum speed 6000rpm.

Features: All aluminum structure, lightweight, fast heat dissipation, and sensitive response.

3. ELIKA series (ultra-low noise)

Positioning: Silent high-pressure pump, designed for environmentally friendly noise reduction scenarios.

Features: Special curved tooth shape, noise 5-8dB lower than standard pumps, minimal pulsation, suitable for precision hydraulic stations and machine tools.

4. GPM multi pump/gear motor

Multi link pump: dual/triple/quadruple combination, multi circuit independent oil supply, commonly used in construction machinery and agricultural machinery.

Gear motor: small size, stable torque, pressure 210-250 bar, used for rotary/walking drive.

5. Special customized series

Bidirectional pump, high-temperature pump (temperature resistant to 120 ℃), stainless steel pump, high-pressure and large displacement pump, etc.

3、 Structure and process characteristics

Shell: High strength aluminum alloy (extruded)+ductile iron flange/end cap, minimal deformation under high pressure, balancing lightweight and strength Marzocchi Pompe.

Gear: Special alloy steel+precision grinding+carburizing and quenching, with high tooth surface hardness, wear resistance, low flow pulsation, and low noise Marzocchi Pompe.

Gap compensation: Axial/radial dual floating compensation, automatic wear compensation, small internal leakage, high efficiency, long service life.

Sealing: High pressure oil resistant dual Lip seal, standard temperature resistance -20 ℃~+80 ℃, high temperature version can reach 120 ℃, anti leakage, long service life.

Modularization: Standardization of flanges, shaft heads, oil ports, and rotation directions, universal installation dimensions, and can directly replace imported pumps of the same specifications.

4、 Core performance parameters

Rated pressure: 210-250 bar (continuous), 270-310 bar (peak).

Displacement range: 0.19-200ml/r, covering small to large flow rates.

Speed range: 500-6000rpm (depending on the series).

Working temperature: -20 ℃~+80 ℃ (standard), -20 ℃~+120 ℃ (high temperature customization).

Applicable media: ordinary hydraulic oil, wear-resistant hydraulic oil, synthetic oil, low viscosity media (customized).

Volume efficiency: 91% -94% (slow attenuation under high pressure).

5、 Core advantages

High pressure durability: No pressure drop under heavy loads, stable long-term continuous operation, and a lifespan 30% longer than ordinary pumps.

Ultra low noise: ELIKA series tooth profile, quiet operation, low vibration, suitable for indoor/precision equipment.

Efficient and energy-saving: Dual high volume/mechanical efficiency, low energy consumption, minimal heat generation, and low long-term usage cost.

Strong universality: standard installation size, can directly replace brands such as VIVOIL, CASAPPA, BONDOLI, etc., with low replacement cost.

Wide adaptability: Strong customization ability for temperature/medium/installation method to meet working conditions.

6、 Typical application scenarios

Construction machinery: excavators, loaders, aerial work vehicles, forklifts, cranes.

Industrial hydraulics: injection molding machines, machine tools, hydraulic stations, cutting machines, automated production lines.

Agricultural machinery: tractors, harvesters, seeders, straw returning machines.

Sanitation vehicles: garbage compactors, sweepers, cleaning vehicles, and sewage suction vehicles.

Other: hydraulic systems for small ships, centralized lubrication systems, testing equipment, petroleum machinery.

MARZOCCHI gear pump