Centrifugal type. Directly coupled pump and motor with rigid coupling. Impellers and thrust rings in Noryl and diffusers in self-lubricating polyacetyl. Pump liner, shaft and coupling, strainer and cable sheath in stainless steel. Base support and head in brass with check valve incorporated in head. Submersible asynchronous two-pole motor made entirely of AISI 304 stainless steel with brass bearings.
Squirrel cage rotor in copper mounted on Kingsbury thrust block. Cooling of the thrust bearing assembly and the bushings is provided by water, thereby eliminating the risk of oil contamination. Canned-type stator in an airtight casing made of AISI 304L stainless steel. The automatic reset thermal protection device is integral with the motor. Liquid quality requirements: clean, free of solid or abrasive contaminants, non-viscous, chemically neutral, close to the properties of water.
Liquid temperature range: da 0° C a +35° C Maximum permissible sand quantity:: 40 g/m3 Protection rating: IP 68 Heat insulation class: F Max. no. of starts: 20/h Power cable: MICRA 50 - 1 m. MICRA 75 - 1,2 m. MICRA 100 - 1,4 m. Ready-to-install kit available including single phase electric pump with 15m cable and control panel.
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