Suitable for cleaning media that are non corrosive, non flammable and non explosive, and do not contain any solid particles or fibers that may cause physical or chemical damage to the pump. Mainly used as equipment for transporting, pressurizing, and circulating liquids. For example: cold and hot water delivery and circulation systems, boiler feedwater, residential area water supply systems, central heating systems for residential areas (apartments) or street areas, water circulation systems for central air conditioning for refrigeration, washing systems, household hot water systems, and general industrial water systems