Description
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Description
Submersible electric pumps particularly suitable for the
removal of drainage water in construction sites, open
mines or quarries. Thanks to their rugged construction
and reliability, these pumps can be used with harsh
and abrasive liquids containing solids with maximum
dimensions of up to 6 mm.
Open impeller in CRA2 650 HB high-chromium
cast iron, outer sleeve in AISI 304 stainless steel,
double mechanical seal in silicon carbide/silicon
carbide on pump side and carbon/alumina on
motor side. Suction screen in AISI 304 stainless
steel. Dry-type asynchronous sealed motor, cooled
by the pumped liquid. Rotor mounted on oversized
greased sealed-for-life double ball bearings to ensure
silent running and long life. Integral capacitor in singlephase
versions. Thermal and overcurrent protection are
the responsibility of the user.Constructed in compliance
with CEI 2-3CEI 61-69 (EN 60335-2-41). -
Features
Motor protection level: IP 68.
Insulation class: F.
Continuous duty, with completely immersed pump.
Facility for operation also with partially immersed pump.
The single-phase version can be equipped with float
switch for automatic starting and stopping of the pump.
Supplied as standard with 10 mt H07RN-F power cable.
Can be supplied on request with special tear-proof
cable featuring internal reinforcement with steel core.
Operating range: from 6 to 54 m3/h with head up to
20 mt.
Liquid quality requirements: Liquid temperature
range: from 0° to 35°.
Maximum immersion depth: 10 mt.
Installation: fixed or portable in vertical position.
Free passage through the suction grid: 6 mm.
