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  • Paddle Trimming Calculator

    Pipe inside diameter (ID) in millimetres
    Flow rate in litres per minute
    Paddle length in millimetres
    Paddle width in millimetres
    Velocity in meters per second

    ANSWER(Force in Grams)

    Too Low Flow will not actuate the switch
    Correct Correct flow range to actuate the switch
    Too High More force than is recommended

    To use this calculator, just fill in the required information in the grey value boxes. Answers to the appropriate product
    are given under “Answer”. Suitability to the combination of pipe size, flow, paddle length / width will be indicated by
    colour and a number, this number is in grams force. All answers assume the switches sensitivity adjustment is set  
    to maximum sensitivity.