KOER TM centrifugal surface pumps are designed for water supply in low pressure pipelines. They are used for irrigation systems of gardens, vegetable gardens, greenhouses and greenhouses. This type of pumps is used wherever high capacity and low head are required.
Pumping part
– Casing: cast iron with anti-corrosion coating and 20% thicker casing.
– Impeller: brass. Semi-enclosed type for use in open water.
– Motor shaft: AISI 304 stainless steel
Conditions of use
– Pumped liquid: Fresh water.
– Degree of contamination: max. 200g/m3
– Ambient humidity: <90%
– Ambient air temperature: + 2 ℃ … + 40 ℃
– Pumped water temperature: + 5 ℃ … + 40 ℃
– Mineralization not more than 1000 mg/L
– Impurities not more than 0.01%.
– Maximum working pressure: 0.7 MPa (7 bar)
– Max. suction depth: 7 m.
Motor
– Motor type: asynchronous, closed circuit motor with thermal cut-out in the winding
– Stator winding: 100% copper
– Insulation class: F – motor temperature resistance up to 155 ℃
– End face seal: graphite / ceramic / NR / AISI 304
– Voltage: 220-240V
– Frequency: 50 Hz
– Protection class: IP 54
– Cable length: 1 m.
– Mode of operation: continuous.
| Model | KGA – 1A | KGA – 1C | |
| Power | kW | 0,75 | 0,75 |
| hp. | 1 | 1 | |
| Duct diameter | 1,5″ × 1,5″ | 2″ × 2″ | |
| Q max (l/min) | 270 | 450 | |
| H max (m) | 18 | 15 | |
| Q max (m3/hour) |
Q max (l/min) |
H(m) | |
| 0 | 0 | 18 | 15 |
| 3 | 50 | 15 | 14 |
| 6 | 100 | 12 | 13 |
| 9 | 150 | 9 | 11 |
| 12 | 200 | 6 | 9 |
| 15 | 250 | 3 | 7 |
| 18 | 300 | – | 5 |
| 21 | 350 | – | 3 |
| 24 | 400 | – | – |
| 27 | 450 | – | – |
| 30 | 500 | – | – |
| Gross weight, kg | 15,6 | 16,3 | |
| Size: L × W × H, mm | 360 × 220 × 275 | 360 × 220 × 275 | |