SDS
Submersible borehole pumps for 6” and 8” wells
PORTATA
15 / 350
mc / h
PREVALENZA
5.5 / 470
m
POTENZA
5.5 / 185
kW
, 
, 
Esecuzione
Submersible borehole pumps for 6” wells (DN 150 mm), 8” (DN 200 mm) and 10” (DN 250 mm), with stages in cast iron or in bronze, on request.
Impellers mixed flow impellers.
Connection: flangiata per 8SDS, 10SDS con controflangia da saldare a sovrapposizione.
Delivery casing with built-in non-return valve.
Applicazioni
For water supply systems.
For civil and industrial applications.
For fire fighting applications.
For irrigation.
Limiti impiego
Liquid temperature up to a 25 °C.
Max. sand quantity into the water: 150 g/m3 (300 g/m3 high percentage of solids and sand).
Continuous duty.
Motore
2-pole induction motor, 50 Hz (n ≈ 2900 rpm).
With water wetted winding in rewindable execution.
Sized for connection to the pumps according to NEMA Standards.
Standard voltages:
– single-phase230 V – up to 2,2 kW for 4” motors.
– three-phase 230 V; 400 V for 4” motors.
– three-phase 400 V; 400/690 V for 6-8-10” motors.
Voltage tolerance : ± 10%.
Insulation class:
– class F for 4” motors,
– class E for 6” motors, PVC for I-6” (I-6” 45 kW A (PE2+PA)).
– PVC for 8”
– PVC for 10” (10” 170kW and 190 kW A (PE2+PA))
Protection IP 68.
Installation below water level: 200 m for 4”, 150 m for 6”, 500 m for 8,10”
Motor suitable operation with frequency converter (with suitable filter dv/dt).
Horizontal installation (6″ 37-45kW, 8″ 92kW, 10″ 170-190 kW excluded).
Continuous duty.
Case History
Case History
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