Pressure Filters

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MHP Filter


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Pressure Filters

High pressure filters are used to protect individual components or the entire hydraulic system from contamination levels beyond the recommended cleanliness value as per ISO 4406.  Available to be mounted either in-line or to a manifold they are usually located in the pressure line downstream of the pump. Hydraproducts offers a wide range of these filters with pressures from 20-420 bar & flow capabilities up to 1000 l/min

Filter elements are available typically in inorganic glass fibre (3,6,10 & 25 micron absolute), but also in resin impregnated paper (10 & 25 micron nominal) & wire mesh (25,60 & 90 micron)

All ranges are available with visual or electrical indicators. Filters are fitted with NBR nitrile seals as standard, please consult our technical team for applications with fluids that require alternative seal compounds.

Hydraulic components such as valves, actuators & motors will have a recommended cleanliness level that is set by the product manufacturer in the catalogue. It is important to keep the fluid in the system cleaner than this level to protect the part during it’s working life & also in case of warranty following a component failure. Recommendations can vary between manufacturers however the following is guide to component cleanliness for common hydraulic products.



  • Why choose Hydraproducts as your component supplier?
  • Manufacturers

Hydraproducts has a large stock holding of components we are able to support irregular customer requirements. If you have regular needs then we are happy to hold bonded stock to smooth out production/supply fluctuations.

Supporting our customers with the comfort that our engineers have been using these components to build hydraulic systems in our own workshops for over 15 years. Our Technical Sales engineers can help and advise on product choice as well as identifiy and cross reference a wide variety of other hydraulic equipment manufacturers.

Key manufacturers 

OMT - Based in Italy, OMT has become a world recognized manufacturer of Hydraulic components. A recent acquisition of Luen, Hydraulic cartridge Valve manufacturer, has strengthened the group within mobile and industrial markets. 

OT - With a engineering pedigree in Italian gear pump manufacturing, this company produces some the of the finest Aluminium hydraulic Gear pumps available today. They are customer focused with a very reactive production philosophy.

TEC - Tec motors have become the largest reseller of AC induction motors in the  UK. Hydraproducts has fitted the TEC (TECHTOP) motors to our power packs and power units for over 15 years, so we know the quality is well suited to this market palce.


  • More about Micro Power Packs
  • Typical Applications

The HPU micro power pack has a single acting hydraulic circuit, the check valve and solenoid valve hold the cylinder load up. A high quality hardened steel check valve insert ensures low leakage and excellent load holding. Versions with Normally open/closed solenoid check valves and low noise check valves are available.

All of these micro hydraulic power packs have a precision engineered aluminium manifold that houses the hardened steel valves. A carefully developed micro hydraulic pump gives pressures up to 200bar. Each manifold has an integrated 90 micron filter element, ensuring all micro hydraulic systems are protected and give a long service life.

To drive the hydraulic pumps we offer DC motors from 150 to 800Watt, in 12V and 24VDC. 150 and 250Watt Fractional Horsepower AC motors as well as standard IEC frame AC motors from 0.18kW to 0.37kW.

Pump sizes range from 0.17cc to 1.48cc/rev.

Tanks from 0.1 to 1 Litre, all of which can be in vertical (tank uppermost) or horizontal orientation.

Typical applications include :- 

    Mobility lifts where Wheelchairs are lifted from vehicles
    Micro power packs for through floor lifts.
    Door and gate opening actuators

Hydraproducts offers its worldwide OEMs and distributors reliable products through design and manufacturing expertise. The quality of in-house design, manufacturing and experience in micro hydraulic power units ensures a match to your requirements.