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RMF Off-Line Units

The hydraulic market accepts that 80% of mechanical failures are caused by contamination in the system. The Off-Line Units attack contamination of your systems at source. In addition to solid particles, these filters are also capable of removing water from the oil.

RMF Off-Line Unit

The principle of the RMF Systems filters is based on the unique original filter elements. With a choice of filter fineness down to 0,5 micron and Filter efficiency up to β4=10.000, they have the capacity to remove even the smallest of dirt particles from the oil. RMF Systems offers a wide range of elements in micron sizes, filter media, and fluid compatibility. Combi-elements (water and solid particle retention) complement the unique range.

Water Absorbing
RMF Water absorbing filters are off-line filters that use a special water-absorbing spin-on as a pre-filter. The fluid is pumped through the pre-filter which removes most water and larger solid contamination, in the second stage the fluid passes through the RMF cellulose micro filter where final water removal takes place as well as solid particle removal.

Heated Off-Line Filters
The 'Heated unit' is a unique progression of the Off-line filter series. The filtration of high viscosity oils, in both hydraulic and lubrication systems, is an almost impossible task for fine filters as the thickness of these oils 'block' almost all normal filters. The RMF Heated unit warms the oil in a specific manner, allowing the viscosity to be reduced to a level which will permit fine filtration without the oil being exposed to too high temperatures that could cause overheating and burning of the oil, rendering it useless.

The RMF off-line 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 moulding industry
  • Maritime industry
  • Petro-chemical industry
  • Paper-industry

The hydraulic market accepts that 80% of mechanical failures are caused by contamination in the system. The RMF Off-Line Units attack contamination of your systems at 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.

  • 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

Model Specifications

OLU1

OLU1A OLU1B
Nominal Flow 2.1 l/min 4.2 l/min
Standard Max. Oil Temperature¹ 80°C 80°C
Max pressure filter housing 20 bar 20 bar
Inlet connection² 3/8" BSP female 1/2" BSP female
Outlet connection 1/2" BSP female 1/2" BSP female
Power supply Electric Motor Various electrical power supplies possible (see ordering code)
Suitable elements 30HB, 30HV, 30NB, 30NV, 30G1B, 30G1V,30G3B, 30G3V, 30G6B, 30G6V, 30G12B, 30G12V 30A5V 60HB 60HV,60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60G6B, 60G6V, 60G12B, 60G12V 60A5V
By-pass openings pressure 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure)
Pump safety valve 15 bar 15 bar
Max. tank volume ±1.350 l ± 2.700 l
Fluid compatibility³ Hydraulic fluids according to ISO 2943
Approximate weight 14kg 18kg

¹ For other oil temperatures, please contact Des-Case
² Inlet Connections are pump dependent. Please contact Des-Case.
³ For other fluids, please contact Des-Case

OLU2

OLU2A OLU2B
Nominal Flow 4.2 l/min 8.4 l/min
Standard Max. Oil Temperature¹ 80°C 80°C
Max pressure filter housing 20 bar 20 bar
Inlet connection² 1/2" BSP female 1/2" BSP female
Outlet connection 1/2" BSP female 1/2" BSP female
Power supply Electric Motor Various electrical power supplies possible (see ordering code)
Suitable elements 30HB, 30HV, 30NB, 30NV, 30G1B, 30G1V,30G3B, 30G3V, 30G6B, 30G6V, 30G12B, 30G12V 30A5V 60HB 60HV,60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60G6B, 60G6V, 60G12B, 60G12V 60A5V
By-pass openings pressure 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure)
Pump safety valve 15 bar 15 bar
Max. tank volume ±2.700 l ± 5.400 l
Fluid compatibility³ Hydraulic fluids according to ISO 2943
Approximate weight 21kg 30kg

¹ For other oil temperatures, please contact Des-Case
² Inlet Connections are pump dependent. Please contact Des-Case.
³ For other fluids, please contact Des-Case

OLU4

OLU4A OLU4B
Nominal Flow 8.4 l/min 16.3 l/min
Standard Max. Oil Temperature¹ 80°C 80°C
Max pressure filter housing 20 bar 20 bar
Inlet connection² 1/2" BSP female 1/2" BSP female
Outlet connection EW 22L EW 22L
Power supply Electric Motor Various electrical power supplies possible (see ordering code)
Suitable elements 30HB, 30HV, 30NB, 30NV, 30G1B, 30G1V,30G3B, 30G3V, 30G6B, 30G6V, 30G12B, 30G12V 30A5V 60HB 60HV,60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60G6B, 60G6V, 60G12B, 60G12V 60A5V
By-pass openings pressure 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure)
Pump safety valve 15 bar 15 bar
Max. tank volume ± 5.400 l ± 10.800 l
Fluid compatibility³ Hydraulic fluids according to ISO 2943
Approximate weight 39kg 61kg

¹ For other oil temperatures, please contact Des-Case
² Inlet Connections are pump dependent. Please contact Des-Case.
³ For other fluids, please contact Des-Case

OLUW1

OLUW1A OLUW1B
Nominal Flow 2.1 l/min 4.2 l/min
Standard Max. Oil Temperature¹ 80°C 80°C
Max pressure filter housing 20 bar 20 bar
Inlet connection² 3/8" BSP female 1/2" BSP female
Outlet connection 1/2" BSP female 1/2" BSP female
Power supply Electric Motor Various electrical power supplies possible (see ordering code)
Suitable elements 30HB, 30HV, 30NB, 30NV, 30G1B, 30G1V,30G3B, 30G3V, 30G6B, 30G6V, 30G12B, 30G12V 30A5V 60HB 60HV,60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60G6B, 60G6V, 60G12B, 60G12V 60A5V
Max Water Absorption capacity 850 ml (incl. water sorb & 30A5 element) 1.2 l (incl water sorb & 60a5 element)
By-pass openings pressure 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure)
Pump safety valve 15 bar 15 bar
Max. tank volume ± 1.350 l ± 2.700 l
Fluid compatibility³ Hydraulic fluids according to ISO 2943
Approximate weight 18kg 22kg

¹ For other oil temperatures, please contact Des-Case
² Inlet Connections are pump dependent. Please contact Des-Case.
³ For other fluids, please contact Des-Case

OLUW2

OLUW2A OLUW2B
Nominal Flow 4.2 l/min 8.4 l/min
Standard Max. Oil Temperature¹ 80°C 80°C
Max pressure filter housing 20 bar 20 bar
Inlet connection² 1/2" BSP female 1/2" BSP female
Outlet connection 1/2" BSP female 1/2" BSP female
Power supply Electric Motor Various electrical power supplies possible (see ordering code)
Suitable elements 30HB, 30HV, 30NB, 30NV, 30G1B, 30G1V,30G3B, 30G3V, 30G6B, 30G6V, 30G12B, 30G12V 30A5V 60HB 60HV,60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60G6B, 60G6V, 60G12B, 60G12V 60A5V
Max Water Absorption capacity 1.2 l (incl. water sorb & 30A5 element) 1.9 l (incl water sorb & 60a5 element)
By-pass openings pressure 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure)
Pump safety valve 15 bar 15 bar
Max. tank volume ± 2.700 l ± 5.400 l
Fluid compatibility³ Hydraulic fluids according to ISO 2943
Approximate weight 25kg 34kg

¹ For other oil temperatures, please contact Des-Case
² Inlet Connections are pump dependent. Please contact Des-Case.
³ For other fluids, please contact Des-Case

OLUW4

OLUW4A OLUW4B
Nominal Flow 8.4 l/min 16.4 l/min
Standard Max. Oil Temperature¹ 80°C 80°C
Max pressure filter housing 20 bar 20 bar
Inlet connection² 1/2" BSP female 3/4" BSP female
Outlet connection 22L 22L
Power supply Electric Motor Various electrical power supplies possible (see ordering code)
Suitable elements 30HB, 30HV, 30NB, 30NV, 30G1B, 30G1V, 30G3B, 30G3V, 30A5V 60HB 60HV, 60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60A5V
Max Water Absorption capacity 2.4 l (incl. water sorb & 30A5 element) 3.8 l (incl water sorb & 60a5 element)
By-pass openings pressure 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure)
Pump safety valve 15 bar 15 bar
Max. tank volume ± 5.400 l ± 10.800 l
Fluid compatibility³ Hydraulic fluids according to ISO 2943
Approximate weight 43kg 65kg

¹ For other oil temperatures, please contact Des-Case
² Inlet Connections are pump dependent. Please contact Des-Case.
³ For other fluids, please contact Des-Case

OLUH1

OLUW4A OLUW4B OLUH1
Nominal Flow Approx. 2.9 l/min with 2 kW heater
Contact Des-Case for 4kW heater and flows exceeding 2.9 l/min
Standard Max. Oil Temperature¹ 80°C 80°C 80°C
Max pressure filter housing 20 bar 20 bar 20 bar
Inlet connection² 3/8" BSP female 1/2" BSP female 1/2" BSP female
Outlet connection 1/2" BSP female 1/2" BSP female 1/2" BSP female
Power supply Electric Motor Various electrical power supplies possible (see ordering code)
Suitable elements 30HB, 30HV, 30NB, 30NV, 30G1B, 30G1V,30G3B, 30G3V, 30G6B, 30G6V, 30G12B, 30G12V 30A5V 60HB 60HV,60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60G6B, 60G6V, 60G12B, 60G12V 60A5V 60HB 60HV,60NB, 60NV, 60G1B, 60G1V, 60G3B, 60G3V, 60G6B, 60G6V, 60G12B, 60G12V 60A5V
By-pass openings pressure 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure) 6.2 bar (at 0 bar back pressure)
Pump safety valve 15 bar 15 bar 15 bar
Max. tank volume ± 1.350 l ± 2.700 l ± 2.700 l
Fluid compatibility³ Hydraulic fluids according to ISO 2943
Approximate weight 24kg 28kg 30kg

¹ For other oil temperatures, please contact Des-Case
² Inlet Connections are pump dependent. Please contact Des-Case.
³ For other fluids, please contact Des-Case

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