HDU 27/- series


HDU 27/-  is a fine filter for offline oil filtration for medium to large hydraulic power transmissions, lubrication, cooling and quenching systems.

The filter is a 3-micron absolute filter with a high dirt-holding capacity and a cellulose-based filter insert that removes particles, retains oil degradation products (oxidation resin/sludge, varnish), and absorbs dissolved/emulsified and free water from oil. 

Special inserts, which do not absorb water, are available on request. 

The HDU 27/- series is available in sizes 27/27, 27/54, 27/81 and 27/108, using from 1-4 CJC® Filter Inserts fitted in the same filter housing.

CJC® Oil Maintenance Systems are available in a range of design configurations including pre-heaters, drip pans, tanks, control boxes, coalescers.

The HDU 27/- series is ideal for:

  • Hydraulic systems (e.g., test benches, power packs for cranes, presses etc.)
  • Lubrication systems (e.g., for bearings, gears etc.) 
  • Marine diesel engine lubrication 
  • Quench works
  • and similar industrial and marine applications
Learn how other customers benefit with CJC® – Click to download Customer Cases.

Product Sheets


Brochures & Guides

Fine Filter brochure