Wet-installed horizontal propeller pump with submersible motor, equipped with direct drive or spur gear, ECB propeller with rigid, fibre-repellent blades, bolt-free connection to the discharge pipe. Explosion-proof version available. Main Applications: - Recirculating activated sludge from the nitrification to the denitrification stage of activated sludge tanks - Economic handling of stormwater, river water, surface water and polder water at low heads - Generating flow in water bodies