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Hydraulic filters

Hydraulic filter elements
Hydraulic filter elements
Return filters
Return filters
Suction filters
Suction filters
In-line filters
In-line filters
Pressure line filters
Pressure line filters
Filler breathers
Filler breathers
Hydraulic filter accessories
Hydraulic filter accessories
Partial-flow filtration technology
Partial-flow filtration technology

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DMD0005B100B Filter element for pressure filter
DMD0005B100B Filter element for pressure filter
MSRP: €45.20
Net price: €31.10
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Stock: 37
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Delivery time: 1-2 days
XR630G10B0 hydraulic filter element
XR630G10B0 hydraulic filter element
MSRP: €266.10
Net price: €166.00
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Stock: 42
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Delivery time: 1-2 days
DMD0045D20B hydraulic filter element
DMD0045D20B hydraulic filter element
MSRP: €70.20
Net price: €48.30
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Stock: 56
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Delivery time: 1-2 days
A110C10 hydraulic filter spin-on
A110C10 hydraulic filter spin-on
MSRP: €21.30
Net price: €12.40
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Stock: 507
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Delivery time: 1-2 days
P163542 oil filter (spin-on)
P163542 oil filter (spin-on)
MSRP: €79.94
Net price: €43.00
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Stock: 0
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Delivery time: 1-2 weeks
P164056 spin-on filter DuraMax
P164056 spin-on filter DuraMax
MSRP: €176.64
Net price: €95.50
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Stock: 9
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P164166 hydraulic filter element
P164166 hydraulic filter element
MSRP: €103.38
Net price: €55.60
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Stock: 3
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Delivery time: 1-2 days
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Hydraulic filters – functional principles 

Contaminated, polluted liquid enters the filter housing via the inlet port and reaches the filter element. The filter element traps particles of a defined size and larger, depending on its design. The cleaned liquid flows out of the filter on the clean side and is thus returned to the system. 

The main function of a hydraulic filter is therefore to remove solid foreign matter from a pressurized medium. By doing so, it reduces wear to moving parts caused by foreign bodies, thus increasing the service life of the system components. 

Hydraulic filters also prevent malfunctions due to clogged gaps – and therefore also operational interruptions – and prevent premature aging of the medium caused by a build-up of impurities. 

Where are hydraulic filters used? 

To ensure trouble-free operation of hydraulic systems, the use of hydraulic filters is essential. Contamination and dirt are omnipresent – including during the installation of brand-new systems. Even careful cleaning before commissioning does not guarantee that there will be no impurities in the system. Furthermore, hydraulic systems frequently experience faults caused by abrasive wear to moving parts and a build-up of residues (due to aging). 

Filter media for hydraulic filters 

Glass-fiber materials are the most commonly used media in hydraulic filters, arranged in a multilayered structure to achieve the highest possible separation efficiency (up to 99.9%). In principle, the filter fineness should be as high as necessary – but not as fine as possible – to ensure an economical service life and reduce the cost of the operating materials. Other available filter materials include cellulose, stainless-steel wire mesh, and water-absorbing media. 

What materials are hydraulic filter housings made from? 

Aluminum, cast iron, and steel are commonly used as housing materials for hydraulic filters. The choice depends on the operating conditions, such as the pressure, media compatibility, and installation location of the system, e.g., underground or marine applications. 

Which operating fluids are compatible with hydraulic filters? 

These filters are suitable for all fluids of the type HH-HL-HM-HV (ISO 6743/4). These are hydraulic oils containing active ingredients for increased corrosion protection and aging resistance, and reduced wear due to scoring in the mixed friction area. Flame-retardant hydraulic fluids, such as HFA, HFB, HFC, and HFD are also available – it must be ensured that the chosen variant is compatible with the materials and seals in the system.