Multiple pumps (double, triple, or quadruple) are available in many different combinations.

In our category for hydraulic tandem and triple gear pumps, you will find multi-stage hydraulic pumps. These multiple pumps are specifically designed to efficiently convert drive energy into the required energy of the working fluid (pressure and flow rate). Read more...

Gear pump hydraulic group 3 ccm 25 front
Hydraulic Double Gear Pump, Group 3+2, European flange, Conical Shaft 1:8, Flange connection, stage 1 with 45 ccm/REV, stage 2 selectable, rotation right
  • double gear pump group 3 + group 2
  • displacement stage 1: 45 ccm/REV
  • displacement stage 2 selectable from 4 to 27.9 ccm/REV
  • European rectangular flange 4 x Ø 11 mm)
  • centering Ø 50,8mm
  • shaft: conical 1:8
  • Side ports: stage 1: flange connection type 4, stage 2: flange connection type 3
  • rotation direction: right
from 305,35 EUR
274,04 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
274,04 EUR excl. 17% tax
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Manufactured from high-quality materials, all components ensure reliable operation and optimal performance parameters. Tandem and triple pumps are characterized by combining multiple gear pumps into a single, compact unit. This design makes it possible to supply different hydraulic circuits simultaneously or to meet varying performance requirements within a system. This allows you to handle complex hydraulic tasks with an integrated solution. Multiple pumps (double pumps, triple pumps, quadruple pumps) are available in many different combinations. 

FAQ – Multiple Gear Pumps

What are tandem and triple gear pumps?

Hydraulic tandem and triple gear pumps are multiple pumps that combine several pump sections into a single, compact unit. They efficiently convert drive energy into the required energy of the working fluid (pressure and flow rate) and make it possible to supply different hydraulic circuits simultaneously or meet varying performance requirements within a system.

What advantages do tandem and triple pumps offer compared to single pumps?

Tandem and triple pumps combine multiple pump sections in a compact unit, enabling complex hydraulic tasks to be handled with an integrated solution. They allow simultaneous supply to different hydraulic circuits and meet varying performance requirements within a system while offering a space-saving design.

What group combinations are available for tandem pumps?

For tandem pumps (two sections), the following group combinations are available:

Available combinations:
• Group I + I
• Group II + I, Group II + II
• Group III + I, Group III + II, Group III + III
• Group 30 + I, Group 30 + II, Group 30 + 30
• Group IV + II, Group IV + III, Group IV + IV
• Group V + II, Group V + III, Group V + IV, Group V + V

What triple pump configurations are offered?

For triple pumps (three sections), the following configurations are available:

• Triple Group II+II+II
• Triple Group III+III+II

How is the maximum speed determined for tandem and triple pumps?

The maximum rotational speed of the entire unit is determined by the pump with the lowest specific speed within the combination. This is an important factor when selecting and operating tandem and triple pumps and must be taken into account during system design.

Do the technical specifications of single pumps also apply to tandem and triple pumps?

Yes, the technical specifications listed for single pumps in the tables also apply to tandem and triple pumps, provided that one of the pumps operates at rated pressure while the other sections run without load. This condition is important for correctly applying the specifications.

What should be considered when installing tandem and triple pumps?

For error-free and long-lasting operation, correct installation is of utmost importance. The power transmission from the motor to the pump must occur without any radial or axial forces on the pump shaft. Failure to follow these installation recommendations may negatively affect reliability and shorten pump service life.

What quality control do the pumps undergo?

All hydraulic products undergo comprehensive in-house production testing. These tests ensure that each pump meets high quality standards and provides reliable operation as well as optimal performance parameters.

For which applications are tandem and triple pumps suitable?

Tandem and triple pumps are ideal for complex hydraulic tasks where multiple hydraulic circuits must be supplied simultaneously or varying performance requirements within a system must be met. They offer an integrated solution for demanding hydraulic applications.