Domestic borehole screw pumps TM KOER are designed for water supply in high and low pressure pipelines. They are used for irrigation and water supply, and installation of automatic stations is possible.
Conditions of use
– Pumped liquid: fresh water
– Degree of contamination: max. 40 g/m3
– Max. mud particle size 0,9 mm
– Mineralisation max 1500 mg/l
– Pumped water temperature: + 5 ℃ … + 35 ℃.
Storage and transportation conditions
– ambient humidity: <90%
– Ambient air temperature: + 4 ℃ … + 40 ℃
Features of Screw Pumps
A steel screw enclosed in a rigidly mounted rubberized coupling. The screw [portion] squeezes water in the direction of travel.
Motor
– Motor type: Closed-type asynchronous motor with built-in thermal protection and capacitor
– 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 68
– Cable length: 10m.
– Mode of operation: continuous
Pumping part
– Pressure connection: stainless steel
– Casing of pump chamber: stainless steel
– Auger: stainless steel
– 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 | |
| kW | hp. | Q max (l/min) | 0 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | |||
| 4QGD 1.2-50-0.37 | 0,37 | 0,5 | 30 | 95 | H(m) | 95 | 83 | 72 | 60 | 48 | 35 | 22 | – | – |
| 4QGD 1.8-50-0.5 | 0,55 | 0,75 | 40 | 107 | 107 | 95 | 86 | 81 | 71 | 61 | 50 | 36 | 23 | |
| 4QGD 1.2-100-0.75 | 0,75 | 1 | 30 | 175 | 175 | 154 | 138 | 115 | 90 | 56 | 25 | – | – | |
| 4QGD 1.5-120-1.1 | 1,1 | 1,5 | 40 | 190 | 190 | 177 | 163 | 147 | 128 | 107 | 84 | 58 | 30 | |
Size and weight characteristics
| Model | Gross weight, kg | Packing length, mm | Packing width, mm | Packing height, mm |
| 4QGD 1.2-50-0.37 | 9,6 | 620 | 150 | 150 |
| 4QGD 1.8-50-0.5 | 10,5 | 640 | 150 | 150 |
| 4QGD 1.2-100-0.75 | 11,6 | 690 | 150 | 150 |
| 4QGD 1.5-120-1.1 | 13,4 | 740 | 150 | 150 |