Understanding Sensorless Pumps & Variable Speed Drive Pumps


a) Adjust the motor speed to match what is required by the system

    b) Provide a gentle ramp up and down in speed to eliminate surges

    c) Monitor and protect the motor and the load

    d) All of the Above

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a) Proportional balance capability

    b) Valved readout ports

    c) Memory Stop

    d) B & C

    e) All of the Above


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