Pneumatic discharge controle for throttling to 570 l/s

City of Solothurn (CH), flood relief Postplatz

The old weir in the spillway at the Postplatz in Solothurn served for many years, but now had to make way for a system that meets the requirements of modern sewer network operation. The water flows from the 1.7m inlet canal via the opening in the ground (jump weir) into the 600-metre canal, which is about 1m lower, in the direction of the sewage treatment plant. The outflow is now measured and throttled directly after the opening in the lower-lying 600-metre canal in a shaft built especially for the measuring and throttling unit.

Terms of reference

  • Precise flow measurement in dry and rainy weather from 1 l/s.
  • Precise limitation of the flow rate.
  • Variable throttle quantity for later sewer network management.
  • Connection to the distributed control system of the local wastewater treatment plant via mobile communication.

Products in use

Resistant electrical engineering in wet, corrosive, explosive and aggressive environments
As a licensed electrical installation company, we offer the highest installation quality with special products and equipment for durable and trouble-free installations.
Holistic solutions for highest quality and simple project structures.
For more than 30 years, STEBATEC has been one of the leading companies in project planning and realization of reliable, precise and integrated solutions in the automation industry. Our project team consists of automation, electrical and software engineers, design and mechanical engineers, project managers as well as fitters and service technicians.
Proven certainty and security for projects and customers.
In preparation for projects with hydraulic complexity, we offer not only the experimental model approach in the hydraulics laboratory but also investigations and verifications by means of flow simulations. Our experts are at your disposal for further information.
Secure and volume-reduced data transmission on the Internet and in networks.
Networking and remote control of automation systems STEBAnet mobile, fixed and leased lines are data communication systems for decentralized control systems. Measurement data and control information are recorded on site for backup purposes and cyclically sent in packets or compressed form to the database of the central process control system. STEBAnet communicates in a way that preserves data volume and establishes connections only when needed, for example when a user at the process control system is viewing live data.
The reliable discharge control for wastewater and rainwater
Precise and easy to maintain throttle system for stormwater tanks and wastewater structures. The fast, almost self-cleaning and remotely controllable butterfly valve with pneumatic actuator is based on the flow measurement integrated in the system and limits the flow to an arbitrarily adjustable quantity. As long as the maximum flow is not reached, the flap remains open, while the flow measurement system measures precisely even when partially filled.
Electrical engineering with practical experience
We are passionately committed to finding the optimal solution. In doing so, the trustful and close cooperation with the operator and planner is particularly important to us. Thanks to 30 years of experience in industrial automation, we have extensive expert knowledge in electrical planning. The combined practical experience as a provider of measurement and control technology and conceptual knowledge make us a reliable partner for operators and planning offices.
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T +49 322 2109 3142
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