Pumping Station Zemst

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The pumping station at the Zemst lock on the Brussels–Scheldt Maritime Canal is used for the canal’s water management. This pumping station’s control system was already modernized in 2016, for which Agidens provided the control system and user-friendly visualization (SCADA). After nearly fifty years of service, the pumping station needed to be renovated.

  • Belgium
  • Infra Automation

Inland navigation is an important part of Flanders’ economy. It offers a safe, ecological, and economical alternative for the already saturated road transport system. The rivers and canals also contribute to the appeal of Flanders and its quality of life. De Vlaamse Waterweg (the Flemish waterways agency) does everything possible to encourage water transport and limit flood damage.

The existing pumping system, consisting of 5 HS pumps, had not been performing well for some time. It needed to be renovated. Agidens was contracted by De Vlaamse Waterweg as a design and automation specialist for the survey, implementation, commissioning, and maintenance of the replacement of these outdated HS pumps.

In the meantime, three pumps have been replaced, with two more pumps due for replacement.

  • Drying out the outlet channel
  • Removal of the existing motor, HS cable, and pump
  • Installation of the new pump, HS cable, and motor
    Overhaul of existing butterfly valve
  • Setting the parameters of the motor protection relay
  • Performance testing before commissioning
  • Adjustment of PLCs and SCADA system for data logging
  • Engine shaft speed
  • Motor line current
  • Motor line voltage
  • Temperature coils (6x PT100)
  • Bearing temperature (2x PT100)
  • Vibration level
  • Maintenance during the warranty period and 5 years thereafter


Together with its partner KSB, Agidens has already installed the first three pumps with each a flow rate of 18,000 m³/h with a 10-meter head. The high-voltage motors of 6 kV and a capacity of 670 kW were delivered by WEG. The pumping system has a proven system performance of 82%, a 5% increase compared to the old installation.

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