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By-pass Oil Filter


By-pass filter suitable for systems of up to 1000 litres. Max feed pressure 350 Bar. Flow rate controlled to 4 l/m.

Supplied with 2x CARDEV SDFC Filter Elements.

Benefits include:

  • Removes microparticles
  • Removes free and dissolved water contamination
  • Increases system reliability
  • Prevents system corrosion
  • Reduces component wear
  • Extends oil life and generates CO2 savings
  • Reduces operating costs

For more information call us on
01423 522911

Installation Examples

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CARDEV Datasheet

The HDU-H300 features include:

  • Input pressure 6-350 Bar
  • Flow through filter controlled at 4 litres per minute
  • For systems up to 1000 litres
  • Increases system reliability
  • Extends oil life and generates C02 savings
  • Reduces operating costs

Suitable for all types of industrial applications including:

  • Earth moving machines
  • Forestry equipment
  • Mobile cranes
  • Drilling/pilling equipment
  • Static hydraulic systems

Flow Rate Through Filter (l/h)**:

Dimensions (mm):
H: 253 W: 482 L: 235


Inlet: 1/4″ BSP (m)
Outlet: 3/8″ BSP (m)

Weight (kg):

Filter Element Type:
Standard Fit 2 x SDFC

Filtration Results

Water Removed

Removes free and dissolved water down to <50ppm (0.005%).

Particles Removed

100-times magnified, 1 scale mark = 10μm. Oil cleanliness maintained at better than new levels. (Down to 13/11/8 (ISO 4406: 1999) – Class 2 NAS 1638).

Each SDFC Filter Element Can Remove Up To

Particle Contamination

Water Contamination

Call us on +44(0)1423 522 911 or email

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