Submersible electric pumps for 4” wells or larger, capable of generating a wide range of flows and heads. These units have a very extensive range of applications for lifting, distribution, and pressurisation in civil and industrial water systems, filling of pressure vessels and tanks, fire-fighting systems and washing of irrigation systems. Operating range: from 0,3 to 24 m3/h with head up to 320 metres. Cooling flow: 8 cm/sec. Installation: in 4” wells or larger, tanks and cisterns, vertical position. Maximum permitted amount of sand: 120 g/m3. 300 gr/m3 (only for S4F) This pumps are available only for the extra EU market. If you are in the EU see the S4 AMEIRA pumps.