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    Proportional controller LPN
    Low negative proportional controller P22

    For stepless (infinitely variable) capacity control of air compressors: Suction control valves, bypass valves, bleed valves and engine speed controllers are governed by the signal from the proportional controller.

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    Details Introduction

    Operation:

    Controllers P22 are negative acting. Within the control band (see diagram 2) they give a proportionally rising signal at (A) on increasing pressure at (E).

    Adjustment:

    The set point is adjusted by turning the hand wheel.

    * To a higher pressure: clockwise.

    * To a lower pressure: counterclockwise.


    Ordering details:

    Type, nozzle0.8, 1.0, 1.2, 1.5, 1.6, 2.0  


    Proportional band (control band):

    Increase: install an outlet nozzle with larger diameter.

    Decrease: install an outlet nozzle with smaller diameter.


    Technical parameters


    Dimensions(mm)


    Control signal of P22

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