Dayliff DSD range of Submersible Multistage centrifugal pumps are specially designed for water supply from wells and boreholes. Material of construction include polycarbonate impellers and diffusers, cast iron delivery and suction chambers and AISI 304 stainless steel pump housing, shaft and shaft coupling. These quality materials together with the polycarbonate impellers provide the pumps with excellent sand handling capabilities for a longer life. DSD8/12 is supplied complete with 30m cable and a control box.
The pump is coupled to a sealed liquid cooled 2-pole asynchronous squirrel-cage motor constructed of stainless steel. Single phase motoors should be supplied with purpose designed Dayliff SCM control boxes for operation and protection against overload, dry running and over/under voltage.The motors require a remote DOL starter; A DAYLIFF SCT electronic Pump Controller is recommended for comprehensive pump control including low level, motor overload and irregular power supply protection. Enclosure Class: IP68 Insulation Class: B Speed: 2900rpm
OPERATING CONDITIONS Pumped liquid: Thin, clean, chemically non-aggressive liquids with a max. sand content of 0.25% Max. Water temperature: +35°C Max. immersion depth: 150m Min. borehole diameter: 110m