The Calpeda NM 20 / 160AE threaded pump is designed with a unique impeller and pump casing geometry that allows it to be used for a wide range of applications in both industry and agriculture or municipal services. The pump can be used to supply cold or hot water with temperatures from -10 0 C to +90 0 C, or when installing special mechanical seals and pump materials, it can pump a variety of liquids, including such as: acetone, water with sand, sea water, alkalis, alcohols, lime, soda, oils up to +200 0 C and others.