SD 4", 6"

Submersible motor pumps for deep wells of 4” and 6”

Note THe 4SD has bee replaced by the 4SDF

Construction

Submersible motor pumps for deep wells of
6” (DN 150 mm).
Impellers:
- radial impellers 6SD 7,9,10,15
- mixed flow impellers 6SD 18,19,20
Bocca: screwed connection ISO 228
Delivery casing with built-in non-return valve.

Applications

For water supply.
For civil and industrial applications.
For irrigation.

Operating conditions

Liquid temperature up to a 35 °C
(25 °C with rewindable motor).
Max. sand quantity into the water: 100 g/m3.
Continuous duty.

6” Rewindable motor CS series

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:
- three-phase
230 V;
400 V;
230/400 V;
400/690 V.
Voltage tolerance : +6% / -10%.
Recommended type of starting for powers from 7.5 kW:
star/delta, soft start or impedance starting.
Insulation class Y.
Protection IP 58.
Liquid temperature up to a 25 °C.
Max. starts per hour: 15 for 6” motors.
Cooling : minimum flow velocity = 16 cm/s for 6” motors.

Cable	Motor 400V - 50Hz	Section	Length
	6CS 4 ÷ 30 kW	4 x 6 mm²	3,5 m

4”, 6” motor FK series

2-pole induction motor, 50 Hz (n = 2900 rpm).
Resin impregnated winding.
Sized for connection to the pumps according to NEMA Standards.
Standard voltages:
- single-phase
230 V - up to 2,2 kW
- three-phase
230 V;
400 V;
230/400 V;
400/690 V.
Voltage tolerance : +6% / -10%.
Recommended type of starting for powers from 7.5 kW:
star/delta, soft start or impedance starting.
Insulation class F for 6” motors.
Protection IP 68.
Liquid temperature up to a 35 °C
Max. starts per hour: 20 at regular intervals.
Cooling : minimum flow velocity = 8 cm/s for 4” motors and 16 cm/s for 6” motors.

Cable	Motor 400V - 50Hz	Section	Length
	4FK up to 1,5 kW	4 x 1,5 mm²	1,5 m
	4FK 2,2 ÷ 5,5 kW	4 x 1,5 mm²	2,5 m
	6FK up to 22 kW	4 x 4 mm²	4 m
	6FK 30 kW	4 x 8,3 mm²	4 m

Warranty

One year (as per our general sale conditions).


	6SD







	Motors 4”, 6” submersible motors

	Cross Section Drawings
	Parts Designations