Grindex / Major N
4" submersible drainage pump
R07007 / 0
Operating conditions
| Liquid | water |
| Capacity | see curve, max 138 m³/hr |
| Head | see curve, max 28 m |
Technical data
| Discharge connection | 4 " |
| Weight | 54 kg |
| Free passage | 10 mm |
| Maximum dimensions W x H | 286 x 793 mm |
Materials
| Casted parts, motor unit | aluminum |
| Impeller | cast iron |
| Outer casting | steel |
| Shaft seal | mechanical seal |
Drive
| Engine | electric motor |
| Power | 6,7 kW x 2890 rpm |
| Rated current | 11 A |
| Start | direct |
| Pump cable | 20 m (4 x 2,5 mm²) |
| Voltage/Phase/Hz | 400v / 3-phase / 50 Hz |
Remarks
- liquid pH from 5 to 8
- max. submersion depth: 20 m
- liquid temperature up to 40°C
Features
- very strong lightweight portable submersible pump
- air valve which enables pump to run dry
- no need for an awkward and vulnerable separate control box
- built-in electronic motor protector against phase failure, wrong direction of rotation and high temperature
Main applications
- polluted construction and industrial water
- general contractor’s activities
- emergency pump
- ballast systems
- shipping
- multifunctional usage
- drainage pump
- tunnel and canal construction
Products for sale
For frequent use, the purchase of this pump may be more attractive for you. Enquire about all the facets of purchasing this pump and the associated advantages.

