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205 Huasheng Chuanggu Industrial Park, No. 551 Zhenda Road, Baoshan District, Shanghai
Shanghai Renji Electromechanical Technology Co., Ltd
205 Huasheng Chuanggu Industrial Park, No. 551 Zhenda Road, Baoshan District, Shanghai
Spot aluminum shell GHP1A-D-4-FG Mazuqi gear pumpThe pump body is made of special wear-resistant aluminum alloy obtained through extrusion process, while the flange and pump cover are made of ductile iron; This is to ensure that deformation can be reduced even under high pressure (whether continuous, intermittent, or peak pressure). The gears are made of special steel. The manufacturing process includes surface hardening and quenching hardening. Then the gears are ground and precision machined to achieve a higher surface finish. Appropriate tooth design and geometric proportions can ensure low pulsation and low noise levels during pump operation. The lining is made of special low friction high-strength aluminum alloy die cast.In addition, they are equipped with anti friction DU bearings.The special compensation area on the liner is isolated by a special prefabricated seal with an anti extrusion ring.It can freely move axially and radially, and the amount of movement is proportional to the working pressure of the pump. In this way, internal dripping will be greatly reduced, ensuring that the pump has excellent performance (both in terms of threshold and overall performance), and proper lubrication of the pump's moving parts.

Extemal gear pump is a commonly used pump in modern hydraulic systems. They have the characteristics of multifunctionality, high strength, and long service life. Its simple structure ensures limited procurement and maintenance costs.
Thanks to these fundamental concepts, continuously improving product design and functionality, years of experience based research, accurate material selection, strict adherence to production processes, and testing of mass-produced components, our gear pumps have achieved the highest quality standards.
Therefore, our product can operate under harsh working conditions and transmit hydraulic power. In addition, Marzocchi pumps also have good hydraulic, mechanical, and volumetric efficiency, low noise, and compact size.
Marzocchi Pompe has further developed his product line and launched a new series of pumps called GHP, in which the GHP1, GHP2, and GHP3 groups are suitable for various applications in the industrial and mobile fields.
Generally speaking, these gear pumps consist of a pair of gears supported by two aluminum bushings, a pump body, a fixed flange, and a pump cover.The drive gear shaft outside the flange is equipped with a double lip sealing ring (the inner lip is a sealing ring, and the outer lip is a dust-proof sealing ring). The elastic fixing ring fixes the sealing ring in place.
Spot aluminum shell GHP1A-D-4-FG Mazuqi gear pumpProduct dimension drawings and data sheets:
Common models:
GHP1A-D-2
GHP1A-D-3
GHP1A-D-4
GHP1A-D-5
GHP1A-D-6
GHP1A-D-7
GHP1A-D-9
GHP1A-D-11
GHP1A-D-13
Spot aluminum shell GHP1A-D-4-FG Mazuqi gear pumpAccessories are provided with the standard pump: key (code 522070), installation flange 50-2 (A-A), in compliance with SAE J744c standard The processing of standard pump ports complies with SAE J1926/1 (ISO 11926-1), with threaded pump ports equipped with Oring sealing rings.
Marzocchi Pompe was founded in 1961 by Guglielmo and Stefano Marzocchi in Casalecchio di Reno near Bologna.
Nowadays, Marzocchi Pompe has become the parent company of the industrial group 'Marzocchi Group' with over 400 employees.
Over the years, Marzocchi Pompe has continuously expanded its scale and product range, and has now become one of the largest manufacturers of pumps and hydraulic external gear motors today.
The group is owned and managed by Adriano and Paolo Marzocchi, and its business involves hydraulic pumps, hydraulic motors, and motorcycle and mountain bike suspension systems.
Thanks to the long-term accumulation of respect and trust, Marzocchi Pompe has now become a reliable 'partner', able to provide customers with professional technology, high quality, and premium services in all hydraulic application fields. In 1961, Guillermo Marzocchi and Stefano Marzocchi founded Marzocchi Pompe in Casalecchio di Reno, a suburb of Bologna.
Nowadays, Marzocchi Pompe leads an industrial conglomerate with over 400 employees - the Marzocchi Group.
The group is owned and led by Adriano and Poolo Marzocchi, mainly engaged in the fields of hydraulic pumps and motors, as well as motorcycle and mountain bike suspension systems.
Over time, Marzocchi Pompe's scale and product range have continued to expand, and it has now become a major manufacturer of external gear hydraulic pumps and motors.
With years of reputation and experience, Marzocchi Pompe has now become a reliable manufacturer, providing customers with professional technology, high quality, and * services suitable for all hydraulic applications