Power supply 3ph 400V-50Hz R.P.M. 2850 Free passage (mm) 6 Discharge (mm) DN 40 Max Weight (Kg) 31

Shafts grided down in ball bearings and mechanical seals seats, over-dimensioned respect to standard parameters of use. Motor asynchronous threephase squirrel cage type, insulation class H(180°C). Dry motor, cooled by surrounding liquid. Protection degree IP 68. The motor is projected for continuous or intermittent operation, with a maximum of 15 starts per hour at regular intervals. The motor is projected for working with 5% maximum voltage unbalance between phases. Ball bearings overdimensioned, life lubricated, maintenance free. Oil chamber oil lubricates and cools the seals and emulsifies eventual water infiltrations. This electric pump has two types of seals for a perfect insulation between the electric motor and the pumped liquid. Upper seal: lip seal NBR. Lower seal : mechanical, silicon carbide. Impellers are projected in order to guarantee and assure an high hydraulic efficiency and low power consumption. The screen protection is typical of this type of pump. It is put in the suction side in order to prevent clogging of hydraulic parts during functioning. APPLICATION Submersible electric pumps for drainage are used prevalently for to pump light water or lightly dirty water. In particular for the emptying of rain water and stratum water contents, mud (building site, tanks, ponds...). CONSTRUCTION DATA Submersible electric pumps, robust in construction, watertight electric motors accommodated in compartment, connected, by shafts of reduced lengths, to the impellers situated at the pump casing by the interposition of oil chamber between the hydraulic side and the electric motor. MATERIALS Motor housing Cast iron EN-GJL-250 Impeller Spheroidal Cast-iron GS400 Electric cable Neoprene H07RN/F Shaft Stainless Steel AISI 431 / Duplex O-rings and lip seal Nitrile Bolts A2 -A4 class Mechanical seal Silicon Carbide / Silicon Carbide

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