This document applies to pump 3085.183. The pump is designed mainly for operation in pump sumps, i.e. sewage pumping in pumping stations and/or sewage treatment plants. The pump has a hydraulic power of 1.29 kW and an overall efficiency of 56%. The average weight of the pump is 74 kg. The weight varies from around 50 kg to about 100 kg, depending on the model of pump casing, impeller, stator and rotor.