Blue engine with a pump connected to the pipes blue.

WAS Pump

WAS Pump

WILO provides robust pumping solutions for Waste Activated Sludge (WAS) transfer applications in effluent treatment plants. WAS pumps remove excess biological sludge from aeration systems and transfer it to thickening, dewatering, or sludge handling facilities. WILO submersible sewage pumps are designed to handle high-solids sludge with reliable performance and minimal clogging.

Their heavy-duty construction, wear-resistant hydraulics, and continuous-duty capability ensure dependable operation even under demanding wastewater conditions. WILO pumping solutions support efficient sludge management, improve treatment process control, and contribute to the overall effectiveness of biological wastewater treatment operations.