Screw pumps with self-supporting steel trough op de Durme in Lokeren (Belgium) - 2 screws - 315 kW (v1) / 160 kW (v2) - 5 m³/s (v1) / 2,5 m³/s (v2) - Screw diameter 4,3 m (v1) / 3,2 m (v2) - Blade length 8,8 m (v1) / 7,6 m (v2)