Hydraulic Off-line Filtration Units

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The Des-Case RMF Hydraulic Off-line Filtration Units attack contamination of your system at the source. In addition to solid particles, these filters are also capable of removing water from the oil. The use of RMF filters means less defects, less maintenance and less wear and tear of the hydraulic components. The RMF Off-Line units can be fitted to every imaginable industrial application where hydraulic or lubrication systems are present.

In recent years RMF Systems have developed a great deal of experience in cleaning and keeping clean hydraulic and lubrication systems in the:

  • Steel industry
  • Plastic molding industry
  • Maritime industry
  • Petro-chemical industry
  • Paper industry


  • Reduced cost of ownership
  • Extremely clean oil due to high filtration efficiency
  • Prevention of channel forming by radial filtration direction
  • Large dirt holding capacity
  • Large water holding capacity
  • Compact and easy maintenance design
  • Longer usage life for oil and components


  • Injection Molding Machines
  • Extrusion Machines
  • Industrial Presses
  • Rolling Mills
  • Wind Turbine Brake & Pitch
  • General Hydraulic Power Units

Data Sheet

Dry Weight31 lbs
(14 kg)
40 lbs
(18 kg)
46 lbs
(21 kg)
66 lbs
(30 kg)
86 lbs
(39 kg)
152 lbs
(69 kg)
Nominal Flow Rate0.5 gpm
(2 l/min)
1 gpm
(4 l/min)
1 gpm
(4 l/min)
2 gpm
(8 l/min)
2 gpm
(8 l/min)
4 gpm
(16 l/min)
Oil Temperature Rangeup to 176°F (80°C)
Viscosity Range59 - 2316 SSU (10 - 500 cSt) - Filter element dependent
Protection Class & Power SupplyIP55 - See ordering code
Filter MediaDepth, glass fiber and water absorbing - See ordering code
Max. Working Pressure218 psi (15 bar)
By-Pass Openings Pressure90 psi (6.2 bar)
Max. Recommended Reservoir Volume360 gal (1350 L)710 gal (2700 L)710 gal (2700 L)1,400 gal (5400 L)1,400 gal (5400 L)2,900 gal (10800 L)
Fluid CompatibilityHydraulic and synthetic fluids according to DIN 51524, 51525.
HousingAnodized Aluminum
Manifold, LidAluminum
SealsNBR, FPM (Ordering code dependent)
Mounting Plate, Drip TrayGalvanized Steel, Stainless Steel
Wetted PartsSteel and Aluminum

Additional information