Production and distribution of electricity, heat, compressed air and gas. Wastewater treatment and disposal, operation of water supply and sewerage systems. Supply of industrial, potable, distilled and cooling water.

Gebrüder Heyl Testomat water analyzers for measuring: hardness, iron, phosphates, etc. Measurement of conductivity, pH, oxygen, turbidity, and oil. Duroval and Testoval analytical kits. Manvia sample preparation: coolers, reduction valves, and thermal valves for water and steam measurement (SWAS). Calibration solutions and buffers.