DAB DIG 3700-5500-8500-11000 Heavy Drainage Pumps
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 10 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. Pump body in EN GJL 200 cast iron clad
internally with abrasion and wear resistant Nitrile rubber
(NR). Dry-type asynchronous sealed motor, cooled by
the pumped liquid. Rotor mounted on oversized greased
sealed-for-life ball bearings to ensure silent running
and long life. Overcurrent protection is set in the motor
windings as standard. Constructed in compliance with
CEI 2-3CEI 61-69 (EN 60335-2-41) standards.
Motor protection level: IP 68.
Insulation class: F.
Continuous duty, with completely immersed pump.
Facility for operation also with partially immersed pump.
Supplied as standard with 10 mt H07RN-F power cable.
Can be supplied on request with tear-proof cable
featuring internal reinforcement with steel core.
Operating range: from 12 to 240 m3/h with head up
to 57 mt.
Liquid quality requirements: rain water, ground
water, sandy work site water, and water in general also
when contaminated with small abrasive particles.
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: 10 mm.