NL225 Filter Plugging Tendency

Determination of filter plugging tendency (FPT) of distillate fuel oils

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  1. General Details

    This test method is applicable to fuels within the viscosity range of 1.50 to 6.00 mm²/s (cSt) at 40°C. Test range 1.0-30 (FBT/FPT).
    Filterability of middle distillate fuel oils within the viscosity range from 1.70 to 6.20 mm²/s (cSt) at 40°C. Test range100-1(F-QF).


    Main Features:

    • Bench top analyser
    • Integrated cooling system equipped with Peltier module
    • Working temperature up to 0°C
    • Measuring device complete with support for filter, Beakers, PT100 sensor Class A, level sensor, pressure gauge, tubes and joints
    • Micro Pump
    • Managed by a Touch Screen Panel PC by means of the Lab-Link software running in Windows ambient
    • Bath made in aluminium

    Measuring Principle:

    A sample of the fuel to be tested is passed at a constant rate of flow (20 mL/min) through a glass fiber filter medium.
    The pressure drop across the filter is monitored during the passage of a fixed volume of test fuel.
    If a prescribed maximum pressure drop is reached before the total volume of fuel is filtered, the actual volume of fuel filtered at the time of maximum pressure drop is recorded and used to obtain the automatic calculation result.
    Otherwise if the prescribe volume is filtered without reach the 105kPa pressure, the maximal pressure during the test is recorded and used to obtain the result.

  2. Techical Info
    Measuring range-50°C…+80°C
    Bath temperature10°C … +40°C
    Pump flow rate20 ml/min
    Pressure sensor0 to 210 KPa
    Level sensor0 … 300 ml
    Power220V ± 15% / 50 to 60 Hz

    115V ± 15% / 60 Hz

    Weight27 kg
    Dimensions (WxDxH)48 x 30 x 52 cm
  3. Standards
    • ASTM D2068
    • ASTM D6426
    • IP 387
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