Purpose and application:
Domestic borehole centrifugal pumps TM KOER are designed for water supply in the lines of low and high pressure. They are used in irrigation systems for gardens and vegetable gardens, drip irrigation, as well as for installation of automatic water supply stations.
Conditions of use
- Pumped liquid: Fresh water.
- Degree of contamination: max. 80 g/m³.
- Max. size of the dirt particles: 0.5 mm.
- Mineralization max: 1500 g/m³.
- Ambient air humidity: %<90
- Ambient air temperature: +4 °С…+40 °С
- Temperature of pumped water: +5°C … +35°C
Conditions of storage and transportation
- Ambient air humidity: <90%
- Ambient air temperature: + 4 ℃ … + 40 ℃
Features of screw pumps
The pump design is sophisticated and reliable. The pumps are characterized by high flow rate with moderate discharge characteristics.
Motor
- Motor type: asynchronous, closed type with built-in thermal protection, with external motor overcurrent protection and capacitor.
- Stator windings: 100% copper.
- Insulation class: F-thermal motor resistance up to 155 ℃.
- Face seal: Graphite/Ceramic/NR/AISI 304
- Voltage: 220-240V
- Frequency: 50 Hz
- Protection class: IP 68
- Cable length: depending on the model.
- Mode of operation: continuous duty with max. 20 starts per hour in 3 min intervals.
Pumping part
- Pressure connection: cast iron.
- Pump casing: Stainless steel.
- Impellers: polycarbonate and polyphenylene oxide (Noryl, Lexan) with additional protection for the hydraulic part.
- Motor shaft: stainless steel AISI 304
| Model | Power | Q max (l/min) |
H max (m) |
Q max (m3/hour) | 0 | 0,3 | 0,6 | 0,9 | 1,2 | 1,5 | 1,8 | 2,1 | 2,4 | 2,7 | |
| kW | hp. | Q max (l/min) | 0 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | |||
| 3KDM 2/11+30M | 0,38 | 0,5 | 47 | 45 | H(m) | 47 | 46 | 45 | 45 | 43 | 40 | 36 | 32 | 27 | 20 |
| 3KDM 2/15+40М | 0,55 | 0,75 | 64 | 45 | 64 | 63 | 62 | 61 | 58 | 54 | 49 | 43 | 36 | 27 | |
| 3KDM 2/21+50М | 0,75 | 1 | 90 | 45 | 90 | 89 | 87 | 85 | 81 | 76 | 68 | 60 | 51 | 38 | |
| 3KDM 2/33+60М | 1,1 | 1,5 | 142 | 45 | 142 | 140 | 135 | 133 | 127 | 118 | 108 | 95 | 80 | 60 | |
□– Value with maximum efficiency.
Size and weight characteristics
| Model | Cable length, m | Gross weight, kg | Package length, mm | Package width, mm | Package height, mm |
| 3KDM 2/11+30М | 30 | 8,78 | 1050 | 100 | 180 |
| 3KDM 2/15+40М | 40 | 10,3 | 1200 | 100 | 180 |
| 3KDM 2/21+50М | 50 | 15,9 | 1350 | 100 | 180 |
| 3KDM 2/33+60М | 60 | 21,6 | 1600 | 100 | 180 |