Optimized pump operation with HD Technologies

At RWW’s Holsterhausen waterworks in Germany, online monitoring of drinking water feed pumps revealed a correlation between flow rate and vibration levels in parallel-operated pumps. Based on these insights, RWW optimized individual pump operation, achieving reduced vibration and improved operating condition.

Application and monitoring setup

RWW monitors drinking water feed pumps online using a 32-channel Intellinova Parallel EN system with DuoTech accelerometers on the motor and bearings of each pump. Rotational speed is measured with an inductive sensor, and flow rate is transmitted via a magnetic inductive sensor to enable observation of flow and vibration correlation. The solution enables continuous data collection and analysis using SPM HD and HD ENV technologies.

Results and benefits

Vibration measurements showed distinct dependencies between flow rate and vibration velocity. Safe operational flow ranges were defined to minimize vibration, and then communicated to the control room, where they were integrated into the plant’s control system as operational guidance. The result supports optimized pump control, reduced mechanical stress and wear, a transition toward condition-based, proactive maintenance, and enhanced reliability and supply security.