Water and waste water

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Municipal water supply

WIKA’s instruments and measurement solutions are found in all areas of the municipal water system, from the collection and pretreatment stage to the final water storage and distribution. Our industrial pressure gauges, temperature sensors, level transmitters, flow switches, and calibration tools keep water and wastewater treatment plants operating smoothly and efficiently.

Municipal wastewater treatment

Our pressure and level measuring instruments are also used in most diverse fields of municipal wastewater treatment, e.g. in overfall, rain retention and aeration basins, settling ponds, raking systems, filter presses, digester towers, as well as in compressed air supply. WIKA has a wide standard range of mechanical and electronic pressure measuring instruments and submersible pressure transmitters.

Along with clean air, water is our planet's most valuable resource. That's why water treatment facilities play such an important role in countless municipalities today. Without the water and wastewater industry, the billions of people on Earth, especially those who live in urban centers, would not have reliable and convenient access to clean water for drinking, cooking, and bathing. As the population increases, the need is greater than ever to capture and treat gray water and sewage so that not a drop is wasted.

For municipal treatment plants to function safely and efficiently, they require industrial measuring instruments to monitor liquid levels, filtration systems, pumping and booster stations, and more. In addition, these instruments must be able to withstand the extreme conditions found in wastewater facilities, such as:

  • High humidity
  • Strong vibrations and pulsation
  • Varying pressures
  • Wide temperature ranges
  • Corrosive and clogging media

Industrial wastewater treatment

The IPPC regulation forces the industry to use the Best Available Technique (BAT) in order to optimise the wastewater discharge. Therefore there is a growing interest in wastewater treatment systems with state-of-the-art measurement technology. Here, too, WIKA offers innovative solutions in the field of pressure, temperature and level monitoring.

Industrial pressure instruments help ensure that equipment and processes are working properly. Pressure gaugespressure sensors and transmitters, and pressure switches monitor conditions at the pump suction head, around blowers and injections systems, in sewage and slurry lines, and inside digester towers. For applications where parts can get clogged, diaphragm seals are excellent pressure accessories for isolating the media from the instrument, thereby protecting it from damage.

Differential pressure (DP) transducers help water treatment plants monitor whether air filters, aeration discs, and reverse osmosis membranes need to be cleared. When used with flow instruments like Venturi tubes, DP transmitters monitor subtle changes in pressure so that small issues do not become larger, more expensive ones.

Wastewater Measurement Instruments for Level

A typical water treatment facility has dozens of basins (for storm water overflow, rain, and aeration), settling ponds, sump pits, runoff channels, screening stations, clarifiers, storage tanks, digester towers, and more. Liquid level monitoring helps prevent overflow, a messy problem as well as a safety hazard. However, standard level instruments have difficulties measuring viscous, particle-rich, foamy, and two-phase media.

Submersible pressure transmitters solve the challenges of level measurement in liquid waste. By measuring the hydrostatic pressure and then accurately calculating the level, the presence of grease, slurry, solids, and gases do not affect the output signal. WIKA also offers temperature-compensated pressure sensors for use at high or low temperature ranges. For applications with foam or other surface disturbances, a good option is to couple the industrial sensor with WIKA’s anti-clogging LevelGuard attachment

Wastewater Measurement Instruments for Temperature

The pumps, turbines, fans, mixers, and other machinery in a wastewater plant run practically nonstop. To monitor equipment so that they don’t overheat, use resistance thermometers (RTDs). These are highly accurate sensors that can withstand the challenges of high-vibration applications.

Aerobic and anaerobic bacteria in digesters work optimally within certain temperature ranges. Bimetallic dial thermometers and Industrial thermocouple assemblies help ensure that their environment is neither too hot nor too cold.

Wastewater Measurement Instruments for Flow

In a water treatment plant, liquids are constantly moving from one pipe, tank, or basin to another. Water treatment plants should monitor flow rates during such transfers as an early warning system for obstructions and other problems. Primary flow elements like Venturi tubes accurately helping to ensure safety and efficiency.

Wastewater Measuring Instruments by WIKA

WIKA offers a wide portfolio of dependable, high-quality instruments for water/wastewater treatment plants. But more than that, our in-house experts have decades of industry experience and are ready to assist you in choosing the right technology for your facility, no matter where you are in the country or the world. For more information about our products, click on the Products tab or contact us.

WIKA has worked with licensing and EPC companies for more than 30 years on major projects all over the world. We partner with you from the planning stages through to completion, and we provide post-project support. In addition to supplying high-quality process measurement instruments for temperature, pressure, level and flow applications, we can also work with you to develop solutions that meet your exact requirements.

WIKA also offers on-site expertise and technical support services to help ensure the success of your project. For more information, contact us.

The factors of capacity

Our high level of performance is essentially based on three factors: A wide and innovative product range, comprehensive and competent service and a reliable global presence. We are pleased to be committed to your success, too.

Segment brochure

Water & Wastewater Technology

Calibration services

Entrust the calibration and maintenance of your measuring instruments to a competent partner.

Product digest

A product digest document in PDF form about WIKA’s Featured Products for Pressure, Temperature and Level Measurement.