Flow rate at 20 Hz l/min
Max. Pressure mWg
Suction height, self-priming mWg
KNF FMM 20 KPDC-P Liquid Pump with Linear Drive

KNF FMM 20 is a solenoid-powered liquid pump, designed to be used in dosing in the micro-liter range. Areas of use include medical devices, ink-jet printing, water analysis, industrial dosing systems and semiconductor manufacturing.

Download FMM 20 Timing Guide (Microsoft Excel Spreadsheet, for version 2007 and above).

Control module for test purposes available on request, contact us for more information.

    • Long service life, over 2 billion strokes
    • Adjustable dispense volume 5-17 μl
    • Large low range: the pump can be operated between 0–20 Hz, which represents a low range of 18 ml/min
    • High chemical resistance
    • Self priming
    • Quiet running
    • Flow tight in both directions
  • Voltage V 12/24 V
    Frequencies Hz 0–20 Hz
    Weight kg 0.088 kg
    I load max. during impulse A 1.45/0.6
    Effective continous power at 20Hz W 8.04/7.2
    Minimum impulse on time ms 25
    Motor leads AWG 24
    Protection factor  IP 54
    Normal stroke volumn µl 15±1 *
    Repeatability from set point CV, coefficient of variation 2% **
    Stroke volumn range/calibration µl 5–17 *
    Max. allowed pressure bar 1.0
    Suction height mWg 3
    • * Effective stroke volumn, this may differ depending on the fluid system used.
    • ** Measured with constant system parameters at 2 Hz and 25 ms ON-time.
    • FMM 20 KPDC - P 12/24V / PP pump head, EPDM diaphragm and EPDM valves
    • FMM 20 KTDC - P 12/24V / PP pump head, FFKM diaphragm and FFKM valves
    • FMM 20 TTDC - P 12/24V / PVDF pump head, FFKM diaphragm and FFKM valves

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