22 BOREHOLE BOREHOLE PUMPS PUMPS 4" BOREHOLE PUMPS Borehole multistage centrifugal pumps for 4" wells 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 Noryl Pump shaft AISI 304 Discharge head AISI 304 Motor coupling AISI 304 Non-Return valve AISI 304 Max. Head 356m Max. Flow 24m³/h Max. Liquid temperature 30°C Max. Permissible sand quantity 150g/m³ Discharge head ST05-18 1” 1/4 ST25 1” 1/2 ST35-80 2” Subgroup 110 TECHNICAL FEATURES with Noryl Impellers
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