Design
Submersible electric pumps for deep wells with diameters 6" (DN 150 mm), 8" (DN 200 mm) and 10" (DN 250 mm).
Impellers: Semi-axial
Flare: Threaded according to ISO 228 for mod.
6SDS overlapping for models 8SDS, 10SDS Non-return valve integrated in the delivery body.
Application
Water supply.
Household and industrial application.
in fire fighting installations.
Irrigation.
Operating restrictions
The water temperature is not more than 25°C.
Maximum amount of sand in water: 150 g/m3
. Continuous operation.
Replaceable winding motor CS 6",8",10"
Induction motor, 2-pole, 50 Hz, 2900 rpm.
Water replaceable winding.
Connection sizes according to NEMA standards.
Voltage:
- three-phase: 400 V; 400/690 V.
Voltage change +6% / -10%.
Start recommended for powers of 7.5 kW and above:
star/delta, soft start or stator resistance.
| Engines | Water temperature no more | Cooling: minimum flow rate | Maximum number of starts |
|---|---|---|---|
| 6" | 25 °С | 0.20 cm/ s for 4-15 kW 0.50 cm/s for 18.5-30 kW | fifteen |
| eight" | 25 °С | 0.20 cm/s for 30 - 51 kW 0.50 cm/s for 55 - 75 kW | fifteen |
| 10" | 25 °С | 0.50 cm/sec | 10 |
Protection class IP 68. Winding wires made of PVC.
Cable
| Motor 400V - 50Hz | cross section | Length |
|---|---|---|
| 6CS 4-22 kW | 3 x (1x4) mm2 | 3.5 m |
| 6CS 26 - 30 kW | 3 x (1x6) mm2 | 3.5 m |
| 8CS 30 kW | 3 x (1x6) mm2 | 4 m |
| 8CS 37 - 45 kW | 3 x (1x10) mm2 | 4 m |
| 8CS 51- 59 kW | 3 x (1x16) mm2 | 4 m |
| 8CS 66 - 75 kW | 3 x (1x25) mm2 | 4 m |
| 8CS 92 kW | 3 x (1x35) mm2 | 4 m |
| 10CS 85-130 kW | 3 x 50 mm2 | 6 m |
| 10CS 150-185 kW | 3 x 50 mm2 | 6 m |
Special executions on request
- Other voltages.
- Frequency 60 Hz (see catalog for 60 Hz).
- For liquids with higher temperatures.
- FK engine
| Part Part No. | 6, 8, 10SDS | B-6, B-8, B-10SDS |
| Stage body 25.02 Diffuser 26.00 Impeller 28.00 | Cast iron GJL 200 EN 1561 | Bronze G-Cu Sn 10 EN 1982 |
| Seal, ring | Rubber (Bronze 10SDS 190-280) | |
| Val 64.00 | Steel F51 duplex 10SDS Steel Cr AISI 420 | Steel Cr-Ni-Mo AISI 316 |
| Shaft cover 64.08 | Chrome-plated brass (only in mod. 10SDS) | |
| Feeding housing parts 12.01 Suction sleeve 32.02 | Cast iron GJL 200 EN 1561 | Bronze G-Cu Sn 10 EN 1982 |
| Guide bearing12.03-12.30 | Rubber | |
| Filter 15.50 | Steel Cr-Ni AISI 304 | |
| screws | Steel Cr-Ni AISI 304 | |
Engine
| Part | 6", 8", 10" standard | 6", 8", 10" AISI 316 |
|---|---|---|
| outer frame | Steel Cr-Ni AISI 304 (AISI 316Ti motor 10") | Steel Cr-Ni-Mo AISI 316 Ti |
| supports | Cast iron GJL 200 EN 1561 | Steel Cr-Ni-Mo AISI 316 |
| Shaft | Steel AISI 420 heat treated (Cr-Ni-Mo AISI 329 engine 10") | Steel Cr-Ni-Mo AISI 429 |
| Axial bearing | Oscillating plates | |
| guide bearing | Graphite (bronze for engines 8" power 51 - 66 kW | Graphite |
download the entire calpeda catalog download the SDS catalog
download SDS manual download SDS spare parts
Specifications:
n = 2900 rpm Diameter 6''
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