Features all wetted parts in 316 grade (1.4436) cast stainless steel, for industrial pumping of aggressive and corrosive liquids containing low pH values.
| Model | Colour code curve | Discharge bore mm | Phases | Motor output kW | Head max. m | Capacity max. l/min | Max. solid handling ø mm | |
|---|---|---|---|---|---|---|---|---|
| free standing | with guide rail fitting | |||||||
| 80SFQ21.5 | - |
1
|
80 | 3 | 1,5 | 20,9 | 645 | 6 |
| 80SFQ23.7 | - |
2
|
80 | 3 | 3,7 | 24,6 | 1180 | 15 |
| 80SFQ27.5 | TOS80SFQ27.5 |
3
|
80 | 3 | 7,5 | 34,8 | 2000 | 30 |
| 80SFQ211 | TOS80SFQ211 |
4
|
80 | 3 | 11 | 44,0 | 1940 | 30 |
| Discharge bore mm | 80 |
| Phases | 3 |
| Motor output kW | 1,5 |
| Head max. m | 20,9 |
| Capacity max. l/min | 645 |
| Max. solid handling ø mm | 6 |
| Discharge bore mm | 80 |
| Phases | 3 |
| Motor output kW | 3,7 |
| Head max. m | 24,6 |
| Capacity max. l/min | 1180 |
| Max. solid handling ø mm | 15 |
| Discharge bore mm | 80 |
| Phases | 3 |
| Motor output kW | 7,5 |
| Head max. m | 34,8 |
| Capacity max. l/min | 2000 |
| Max. solid handling ø mm | 30 |
| Discharge bore mm | 80 |
| Phases | 3 |
| Motor output kW | 11 |
| Head max. m | 44,0 |
| Capacity max. l/min | 1940 |
| Max. solid handling ø mm | 30 |
| ø Discharge bore mm | 80mm |
| Discharge Connection | Inside thread, JIS10K flange |
| Impeller | Open type impeller |
| Shaft Seal | Double mechanical seal |
| Bearings | Shielded ball bearings |
| Impeller | Stainless steel casting DIN GX5CrNiMo19-11-2 |
| Casing | Stainless steel casting DIN GX5CrNiMo19-11-2 |
| Suction Plate | Stainless steel casting DIN GX5CrNiMo19-11-2 |
| Shaft Seal | Silicon carbide in oil bath |
| Temperature | 0-40°C |
| Type of Fluid | Aggressive sewage |
| Lubrication | Turbine oil (ISO VG32) |
| Motor Protector (built-in) | Circle thermal cut-out |
| Type, Poles | Induction motor, 2 poles, IP68 |
| Insulation | Insulation class F |
| Phase / Voltage | 3-phase / 400V / 50Hz / d.o.l., 3-phase / 400V / 50Hz / s.d. |
| Casing | Stainless steel casting DIN GX5CrNiMo19-11-2 |
| Shaft | Stainless steel EN-X5CrNiMo17-12-2 |
| Cable | Rubber, NSSHÖU |
| Model | A | A1 | A2 | A3 | B | D | D1 | D2 | H | W1 | W2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80SFQ21.5 | 329 | 165 | 110 | - | 109 | 221 | 110 | 111 | 484 | 95 | 415 |
| 80SFQ23.7 | 359 | 180 | 125 | - | 154 | 257 | 125 | 132 | 552 | 130 | 500 |
| 80SFQ27.5 | 635 | 362 | 180 | 250 | 287 | 360 | 180 | 180 | 844 | 190 | 690 |
| 80SFQ211 | 635 | 362 | 180 | 250 | 287 | 360 | 180 | 180 | 892 | 190 | 710 |
| Model | A | A1 | A2 | A3 | A5 | A6 | D | D1 | D2 | H | H1 | H2 | M1 | M2 | W1 | W2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80SFQ21.5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 80SFQ23.7 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 80SFQ27.5 | 550 | 370 | 180 | 310 | 165 | 258 | 360 | 180 | 180 | 875 | 1067 | 31 | 600 | 500 | 220 | 720 |
| 80SFQ211 | 550 | 370 | 180 | 310 | 165 | 258 | 360 | 180 | 180 | 923 | 1111 | 31 | 600 | 500 | 220 | 745 |
The SFQ-series is a submersible stainless steel casting high head corrosion-resistant pump designed for handling aggressive and corrosive liquids. The all wetted parts are made of 316 stainless steel, enables it to withstand demanding conditions found in construct ion, aggregate and mining applications. The pumps with 5.5kW and above motor incorporate seal pressure relief port that prevents the pumping pressure from applying to the shaft seal. Moreover, the 5.5-11kW models are selectable from the strainer stand type or the pump stand type.
An open-cast mine in Cyprus produces extremely acidic seepage water with a pH value between 2 and 3. Pumps from different manufacturers only lasted two weeks to a maximum of three months in test operation. Therefore they were looking for a mobile submersible pump that would function permanently under the extreme conditions and be as maintenance-free as possible.
In Finland, as a by-product of mining operations, Gypsum is produced and utilized as a soil enhancer and for water conservation. The customer's objective was to maintain a dry environment in this area and effectively manage on-site water removal.
