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Construction
Submersible borehole pumps for 6” wells (DN 150 mm), 8” (DN 200 mm) e 10"
(DN 250 mm), 12” (DN 300 mm), 14” (DN 350 mm), 18” (DN 450 mm), with
stages in cast iron or in steel, (on request).
Impellers
- Semiaxal SDS
- radial SDR
Connection:
Threaded ISO 228 for SDS 6,8" - SDR 8,10", I-SDS 8,10", I-SDR 6"
Flanged with counter-flange for welding for SDS 10, 12, 14, 18", I-SDS 12"
Delivery casing with built-in non-return valve.
Applications
For water supply systems.
For civil and industrial applications.
For fire fighting applications.
For irrigation.
Operating conditions
Liquid temperature:
up to a 25 °C.
Maximum amount of sand in the water:
- 100 g/m3 SDS 6,8"
- 40 g/m3 SDS 10,12,14,18"
- 150 g/m3 I-SDS 6,8,10", I-SDR 6"
Continuous duty.
Designation
Example: -10 SDS 64 / 2 A 8SM
I = special features in stainless steel(on request)
10 = Well diameter in inches
SDS = Series
64 = Stage identification
2 = Number of stages
A = Impeller size
8SM = Motor flange coupling
Motor
2-pole induction motor, 50 Hz (n ≈ 2900 rpm).
Sized for connection to the pumps according to NEMA Standards (10”, 12"
excluded).
Standard voltages:
single-phase 230 V - up to 2,2 kW for 4” motors.
three-phase 230 V; 400 V, for 4” motors.
400 V; 400/690 V for 6", 8", 10", 12" motors.
Voltage tolerance : ± 10%
In order to limit both current and torque at each starting, for rated motor powers
equal to or higher than 7.5 kW, one of the following types of starting is necessary:
star/delta, soft starter, stator impedance or autotransformer.
Insulation class: - F for motors 4"
Protection IP 68.
Installation below water level: 100 m for 4”, 150 m for 6”, 500 m for 8,10” 4”
motor
Motor suitable operation with frequency converter (with suitable filter dv/dt).
Horizontal installation (6" 37-45kW, 8" 92kW, 10" 170-190 kW excluded)
Motor Motor P2 Max. Liquid temperature Cooling minimum flow velocity Max n° of starting x hour
4CS-R all 35 °C 0,1 m/s 30
6CS-R 4÷15 kW 40 °C 0,5 m/s 20
6CS-R 18,5÷30 kW 35 °C 0,5 m/s 20
6CS-R 37 kW 30 °C 0,5 m/s 20
8CS-R 30÷45 kW 30 °C 0,2 m/s 10
8CS-R 51 kW 30 °C 0,2 m/s 8
8CS-R 59÷75 kW 30 °C 0,5 m/s 8
8CS-R 92÷110 kW 30 °C 0,5 m/s 6
10CS-R all 25 °C 0,5 m/s 6
12CS-R all 25 °C 0,5 m/s 5
Special features on request
Other voltages.
Frequency 60 Hz (as per 60 Hz data sheet).
Other temperatures.
Impeller in stainless steel
Encapsulated motor FK series.
Specific References
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Construction
Submersible borehole pumps for 6” wells (DN 150 mm), 8” (DN 200 mm) e 10"
(DN 250 mm), 12” (DN 300 mm), 14” (DN 350 mm), 18” (DN 450 mm), with
stages in cast iron or in steel, (on request).
Impellers
- Semiaxal SDS
- radial SDR
Connection:
Threaded ISO 228 for SDS 6,8" - SDR 8,10", I-SDS 8,10", I-SDR 6"
Flanged with counter-flange for welding for SDS 10, 12, 14, 18", I-SDS 12"
Delivery casing with built-in non-return valve.
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