Vortex surface pumps TM KOER are designed for water supply, including with dissolved gases, in low-pressure pipelines. They are used for domestic water supply. Used for irrigation systems of gardens, vegetable gardens, greenhouses and greenhouses. This type of pumps is applied where moderate capacity with high head is required.

Pumping part
– Casing: cast iron with anti-corrosion coating and 20% thicker casing.
– Motor shaft: stainless steel AISI 304
– Impeller: brass

Conditions of use
– Pumped liquid: Fresh water.
– Degree of contamination: max 20 g/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: 8 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 QB-60 QB-70 QB-80
Power kW 0,37 0,55 0,75
hp. 0,5 0,75 1
Q max (l/min) 40 50 50
H max (m) 35 42 55
Q max
(m3/hour)
Q max
(l/min)
H(m)
0 0 35 42 55
0,3 5 27 38 47
0,6 10 25 34 44
0,9 15 18 29 37
1,2 20 14 24 27
1,5 25 11 22 20
1,8 30 5 15 16
2,1 35 2 10 13
2,4 40 0 5 4
2,7 45 2 2
3 50 0
Gross weight, kg 5,7 8,0 9,7
Size: L × W × H, mm 295 × 160 × 175 337 × 190 × 210 337 × 190 × 210