17 BOREHOLE PUMPS Borehole multistage centrifugal pumps for 3" wells with INCORPORATED INVERTER APPLICATIONS • Water plants and systems for residential and industrial use • Continuous or intermittent duty operation • Pressurizing system • Irrigation plants MATERIALS External jacket AISI 304 Impellers AISI 304 Pump shaft AISI 304 Discharge head AISI 304 Motor coupling AISI 304 TECHNICAL FEATURES Max. Head 190m Max. Flow 7m³/h Max. Liquid temperature 30°C Max. Permissible sand quantity 150g/m³ Discharge head 1” 1/4 Insulation class IP68 Poles 2 Protection degree F Voltage 230V (1ph) MOTOR Series 3" WPS includes: • Hydraulic part • A WPS® high speed submersible motor able to run at variable frequencies up to 140Hz. • Incorporated frequency converter
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