MARZOCCHI

High pressure gear pumps

MARZOCCHI

Marzocchi 0.25 - 0.5 Gear Micro Pumps

High performance micropumps. Displacement from 0.19 up to 1.5 cc/rev. Available also 'RO' high pressure version and reversible rotation.

Special version and integrated system available on request for all industrial, mobile, automotive applications.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

0.25 - 0.5 Gear Micro Pumps

Marzocchi Group 0.25Version RO

 

Marzocchi Group 0.5Version RO

Products include 0.25 - 0.5, 0.25 KA - 0.5 KA, K0.25 - K0.5, UO.25 - UO.5, UO.25 KA - UO.5 KA.

Marzocchi 1P Gear Pumps

Complete range of high performance aluminum pumps matching all power packs application requirements and suitable for different mobile and industrial applications. Displacement from 1.1 to 8.0 cc/rev. Available also in reversible rotations, high pressure version (RO) and in double pump configuration.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

1P Gear Pumps

Marzocchi Group 1P

Products include 1P, 1P KA, 1P VM DI, K1P G, K1P 1/4FOND, K1P 1/4CORPO, K1P 1/4 x1/4 3/8x3/8, KL 1P G, KF 1P G, 1BK4, 1BK7, 1P BW, 1P R, K1P R X G.

Marzocchi ALP Gear Pumps

High performances single aluminum pumps. Displacements from 1.4 up to 200 cc/rev (Group 1, 2, 3 and 4). Available in different configurations (European, SAE, German standard) in single rotation or reversible version. Suitable for the most different applications in both industrial and mobile sectors.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

Marzocchi ALP Gear Pumps

Marzocchi Group ALP1

Group ALP1 products include ALP1, ALP1A, ALP1AF.

Marzocchi Group ALP2

Group ALP2 products include ALP2, ALP2-T, ALP2-VM-EO, ALP2-MU, ALP2-VM-E3, ALP2A, ALP2A-MU, ALP2BK1, ALP2BK1-T, ALP2BK2, ALP2BK4, ALP2BK7.

Marzocchi Group ALP3

Group ALP3 products include ALP3, ALP3-MU, ALP3A, ALP3A-MU.

Marzocchi Group ALP4

Group ALP4 products include ALP4, ALP4E, ALP4A.

Marzocchi GHP Gear Pumps

High performances single pumps with aluminum body and cast iron flange and cover. Displacements from 1.4 up to 87 cc/rev (Group 1, 2 and 3). Available in different configurations (European, SAE, German standard) in single rotation or reversible version. Suitable for heavy duty conditions.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

Marzocchi GHP Gear Pumps

Marzocchi Group GHP1

Group GHP1 products include GHP1, GHP1-RA, GHP1A, GHP1A-RA, GHP1AQ, GHP1A2, GHP1AF.

Marzocchi Group GHP2

Group GHP2 products include GHP2, GHP2-T, GHP2-MU, GHP2A, GHP2A-KA,.

Marzocchi Group GHP3

Group GHP3 products include GHP3, GHP3-MU, GHP3A, GHP3A-MU, GHP3A2, GHP3BK1, GHP35.

Marzocchi ALM Gear Motors

High performance aluminum gear motors. Displacement from 1.4 up to 87 cc/rev (Group 1, 2 and 3). Available in different configurations (European, SAE, German Standard). Bi-directional motors are suitable for in serie connection.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

Marzocchi ALM Gear Motors

Marzocchi Group ALM1Uni-directional motorsBi-directional motors

Group ALM1 products include ALM1, ALM1-EO, ALM1A, ALM1A-EO.

Group ALM2Uni-directional motorsBi-directional motors

Group ALM2 products include ALM2, ALM2-T, ALM2-EO, ALM2A, ALM21A-EO, ALM2BK1, ALM2BK1-T, ALM2BK2, ALM2BK4, ALM2BK7.

Marzocchi Group ALM3Uni-directional motorsBi-directional motors

Group ALM3 products include ALM3, ALM3A.

Marzocchi GHM Gear Motors

Heavy duty gear motors with aluminum body and cast iron flange and cover. Displacement from 1.4 up to 87 cc/rev (Group 1, 2 and 3). Available in different configurations (European, SAE, German Standard). Bi-directional motors are suitable for in serie connection.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

Marzocchi GHM Gear Motors

Marzocchi Group GHM1Uni-directional motorsBi-directional motors

Group GHM1 products include GHM1, GHM1-EO, GHM1A, GHM1A-EO, GHM1AQ.

Marzocchi Group GHM2Uni-directional motorsBi-directional motors

Group GHM2 products include GHM2, GHM2-EO, GHM2-T, GHM2A, GHM2A-EO, GHM2A3, GHM2BK1, GHM2BK1-T, GHM2BK2, GHM2BK4, GHM2BK7.

Marzocchi Group GHM3Uni-directional motorsBi-directional motors

Group GHM3 products include GHM3, GHM3A, GHM3A2, GHM3BK1, GHM35.

Marzocchi ALP/GHP Gear Pumps

A complete range of ALP and GHP modular elements. Displacement from 0.19 to 200 cc/rev, group 0.25, 0.5, 1, 2, 3, 4. Single modular stages can be assembled together with using the specific assembly kit. The modular elements are available in all the possible configurations of the single pumps (European, SAE, German Standard). Multiple pumps can be supplied already assembled by Marzocchi. For complete GHP multiple pumps common inlet versions are also available.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

Marzocchi ALP-GHP Multiple Modular Pumps

Marzocchi Group ALP/GHP

Marzocchi Hi-Low Pumps

Very special double stage pumps with unloading valves. HL pumps are ideal for applications requiring a quick approach and/or return of the actuator at low loads (defined by the sum of the flows of the first and second stage) and slow motion of the actuator at high loads (defined by the first stage). Compared to traditional pumps, HL ones require a less powerful motor. HL pumps are available for groups 1, 1P, and 2. All displacement combinations for the two stages, flanges and shafts are available for a very flexible configuration of the pump.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

Marzocchi HL Pumps

Marzocchi Group HL
Second stage bigger displacement Low pressureFrom 3.7 to 35.2 cm3/rev - (pressure set by unloading valve)

Marzocchi Group HL products include: 1PHL, 1HL, 2HL.

Marzocchi Short Multiple Pumps

A new family of multiple pumps with a reduced length. These pumps fit very well any application where many pumps have to be driven by just one motor and the space is too narrow for standard multiple pumps. Available displacements vary from 1.4 to 13.8 cm3/rev for group 1 and from 4.5 to 35.2 cm3/rev for group 2. These particular multiple pumps can be supplied with 2 or 3 elements and in 2 versions: ALPC (all aluminum) or GHPC (cast iron flange and cover). Short Multiple pumps are available with different configurations of flanges, shafts, inlet and outlet ports, and there is also a common inlet version with only one port feeding two or three elements.

Marzocchi Gear Pump Technical Information

Please strictly follow assembly and use indications given for top performance and longer life of Marzocchi products. Some general considerations should be made on the hydraulic system, in which the pump must be fitted. Special attention shall be devoted to hydraulic system design and assembly, especially to intake, delivery and return pipes and position of system parts (valves, filters, tanks, heat exchangers and accumulators). Proper safety devices and reliable instruments to avoid fluid turbulence, especially in return pipe to the tank, and prevent air, water or foreign bodies from entering into the system are of major importance. It is also very important to equip the hydraulic system with a proper filtering unit.

Marzocchi ALPC GHPC Short Multiple Pumps

Marzocchi Group ALPC/GHPC

Marzocchi Group ALPC-GHPC products include: ALPC1, GHPC1, ALPC2, GHPC2.

Basic Marzocchi Design Information

External gear pumps are the most popular pumps used in modern hydraulic systems. They feature versatility, strength and long useful life. Their simple construction ensures limited purchase costs and servicing.

Thanks to these basic concepts, together with ever-improving product design and features, research -based on many years of experience - accuracy in material selection, production process followed in great detail and tests on mass-produced parts, our gear pumps have reached top quality standards.For this reason, our products can work under heavy operating conditions and transmit high hydraulic power. Furthermore, Marzocchi pumps feature good hydraulic, mechanical and volumetric efficiency, low noise level and, last but not least, compact dimensions and low weight/power ratio.

A gear pump usually consists of a gear pair supported by two aluminum bushes for groups 0.25, 0.5 and 1P, or bushes with plain bearings coated with antifriction material for groups 1, 2, 3 and 4, a body, a securing flange and a cover. Shaft of the driving gear projecting beyond the flange mounts a twin-lip seal ring (the inner lip being a seal, the outer lip being a dust seal) for groups 0.25, 0.5 and 1P, or two opposed single-lip seal rings (the outer being a dust seal) for groups 1, 2, 3 and 4.

Pump body, flange and cover are made of special hi-resistant aluminum alloys for minimized deformation even when subject to high pressure, be it continuous or intermittent or peak pressure. The body is profiled by means of extrusion, whereas flange and cover are obtained by means of die-casting (even gravity die-casting for some models).

Gears are made of special steel. Their manufacturing process includes case-hardening and quench hardening. Then gears are ground and fine finished so to have a high degree of surface finishing. Proper tooth profile design and geometric proportions ensure low pulsation levels and low noise levels during pump operation. Bushes are made of special low-friction and hi-resistant aluminum alloy and manufactured from die-casting.

Special compensation zones onto flange and cover, insulated by special seals with anti-extrusion rings, allow fully free axial and radial movement to the bushes, which is proportional to pump operating pressure. In this way, internal dripping is dramatically reduced, thus ensuring very good pump performance (both in terms of volume and in general) and proper lubrication of pump moving parts.

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SCI Sharp Controls, Inc.
11331 Downs Road
Pineville, NC 28134

(704) 394-1395 fax (704) 392-5521

info@sharpcontrols.com