Economical constant and sliding pressure control with Iris® Control Valves During the upgrade of the Stendal wastewater treatment plant,...
The Texas Water Show in San Antonio, the 2nd largest wastewater show in North America opens its doors. Josh...
174 Iris Diaphragm Control Valves are in operation at the Waste Water Treatment Backriver in Baltimore, USA. The unique...
Precise aeration air control with Egger Iris® valves at the Erdinger Moos Sewage Association The Erdinger Moos Sewage Association...
