Grundfos SEG.50.31.2.50C 99274391, 5713826395865 Submersible wastewater pumps
- Maximum installation depth: 7 m
- Maximum flow:
- Maximum head:
- Max. Particle:
- Maximum operating pressure:
- Type of impeller:
- Power input P1:
- Rated voltage:
- Rated current:
- Mains frequency: 50 Hz
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Grundfos SEG.50.31.2.50C 99274391 Submersible wastewater pumps
Product code: 99274391
EAN Number: 5713826395865
Grundfos SEG grinder pumps are non-self-priming, single-stage, centrifugal pumps with horizontal discharge port, specifically designed for pumping wastewater containing discharge from toilets. The pump is equipped with a grinder system that grinds destructible solids into small pieces to lead them through pipes with a relatively small diameter.
SEG grinder pumps are ideal for use in sparsely populated areas, where gravity sewage systems are not available. Examples include villages, farm areas and areas with large terrain-level differences, where a pressurised system has advantages.
The pump is available for two types of installation:
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| Product information | EAN number | 5713826395865 |
| Product No | 99274391 | |
| Flow rate | Approvals | PA-I |
| Curve tolerance | ISO9906:2012 3B2 | |
| Max. flow | 8.61 l/s | |
| Max. head | 23.8 m | |
| Primary shaft seal | SIC/SIC | |
| Type of impeller | GRINDER SYSTEM | |
| Electrical data | Built-in motor protection | THERMAL SWITCH |
| Cable type | 07RN8-F | |
| Cos phi - p.f. at 1/2 load | 0.71 | |
| Cos phi - p.f. at 3/4 load | 0.81 | |
| Cos phi - power factor | 0.86 | |
| Enclosure class (IEC 34-5) | IP68 | |
| Explosion proof | N | |
| Insulation class (IEC 85) | F | |
| Length of cable | 10 m | |
| Mains frequency | 50 Hz | |
| Max starts per hour | 30 | |
| Moment of inertia | 0.01 kg m² | |
| Motor efficiency at 1/2 load | 79 % | |
| Motor efficiency at 3/4 load | 82 % | |
| Motor efficiency at full load | 84 % | |
| Number of poles | 2 | |
| Power input - P1 | 3.7 kW | |
| Rated current | 10.9 A | |
| Rated current at no load | 5.4 A | |
| Rated power - P2 | 3.1 kW | |
| Rated speed | 2900 1/min | |
| Rated voltage | 3 x 230-240 V | |
| Start. method | direct-on-line | |
| Starting current | 74 A | |
| Thermal protec | external | |
| Type of cable plug | No plug | |
| Voltage tolerance | +6/-10 % | |
| Installation | Auto-coupling | 97695874 |
| Flange standard | DIN | |
| Inst dry/wet | SUBMERGED | |
| Maximum ambient temperature | 40 °C | |
| Maximum installation depth | 7 m | |
| Maximum operating pressure | 6 bar | |
| Pipework connection | DN 50 | |
| Pressure rating | PN 10 | |
| Pump outlet | DN 50 | |
| Fluid | Density | 998.2 kg/m³ |
| Liquid temperature range | 0 .. 40 °C | |
| Selected liquid temperature | 20 °C | |
| Materials | Impeller | Cast iron |
| MATWNRIM | EN1561 EN-GJL-200 | |
| MATWNRPH | EN1561 EN-GJL-200 | |
| PH_MATR_QUALITY_ASTM | ASTM A48-30B | |
| Pump housing | Cast iron | |
| Control | AUTOADAPT | NO |
| Additional I/O | External | |
| Control box | not included | |
| Moisture sensor | without moisture sensors | |
| Other information | Herkunftsland | |
| Net weight | 73.2 kg | |
| Zolltarif Nr. | 84137021 |