With 2-6 non-self-priming multistage centrifugal pumps and speed control for each pump (frequency converter), in accordance with DIN 1988-500.
Pumped medium:
Drinking water. Clear, even moderately aggressive liquids that do not chemically or mechanically attack the pump materials.
Special designs:
Special voltages
Special elastomers
Special mechanical seals
Higher fluid temperatures
Larger systems
Areas of Application
Temperature control technology
Sprinkler irrigation
Pressure boosting
Pressure boosting
Technical Data
Hydraulic power
| Flow rate | 75 m³/h |
| Flow rate of standby pump | 25 m³/h |
| Number of pumps | 4 St |
Motor & drive
| Speed (max.) | 2850 min-1 |
| Degree of protection | IP 55 |
| Insulation class | F |
Electrics
| Input voltage | 400 V |
| Frequency | 50 Hz |
Energy efficiency
| Energy efficiency class | IE3 |
Connections & piping
| Connection, inlet / suction side | 125 DN |
| Connection, discharge side | 125DN |
Operating conditions & water
| Ambient temperature (min.) | 40 ° C |
Materials
| Armatur und Fittinge | G-Cu Sn 10 / GG-20 |
| Armaturen | ABS / copper alloy |
| Druckleitung | Stainless steel |
| Gleitringdichtung | PPS GF 40 / SiC / EPDM |
| Grundrahmen | Stainless steel |
| Leitschaufeleinsatz / Leitapparat / Diffusor | Stainless steel |
| O-Ring | EPDM |
| Pumpengehäuse | Stainless steel |
| Verrohrung | Stainless steel |
| Welle | Stainless steel |
| Wellenabdichtung | mechanical seal |
Products
| Article | Article No. | Type | Voltage | Power Input P₁ | Power Output P₂ | |
|---|---|---|---|---|---|---|
| SFE 4/25-20 | 5642502501 | Multicell SFE 4/25-20 Dr., Zulaufbetrieb | 4 kW | |||
| SFE 4/25-30 | 5642503500 | Multicell SFE 4/25-30 Dr., Zulaufbetrieb | 5.5 kW | |||
| SFE 4/25-40 | 5642504500 | Multicell SFE 4/25-40 Dr., Zulaufbetrieb | 7.5 kW | |||
| SFE 4/25-50 | 5642505500 | Multicell SFE 4/25-50 Dr., Zulaufbetrieb | 11 kW |