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    Calpeda Submersible Borehole Pumps for 6”, 8”, 10”, 12”, 14”, 18” Wells - Sds
    Calpeda Submersible Borehole Pumps for 6”, 8”, 10”, 12”, 14”, 18” Wells - Sds
    Calpeda Submersible Borehole Pumps for 6”, 8”, 10”, 12”, 14”, 18” Wells - Sds
    Calpeda Submersible Borehole Pumps for 6”, 8”, 10”, 12”, 14”, 18” Wells - Sds
    Calpeda Submersible Borehole Pumps for 6”, 8”, 10”, 12”, 14”, 18” Wells - Sds

    Calpeda Submersible Borehole Pumps for 6”, 8”, 10”, 12”, 14”, 18” Wells - Sds

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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.

    Phase :
    Model :
    H (m) = Total head :
    Q = Flow :
    Quantity :

    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.

    6SDS 35/3I 6SM

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    Calpeda Submersible Borehole Pumps for 6”, 8”, 10”, 12”, 14”, 18” Wells - Sds