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The Major pump is one of the more popular models in the drainage range, and it shares all important features and benefits with the other models, resulting in the lowest cost per cubic meter pumped. The drainage range of pumps drain water, not your wallet! The revolutionary hydraulic design ensures high wear resistence and dramatically reduces performance drop due to long time wear.
The Major pump is available in two configurations;
Major N (Normal head)
Major H (High head)
Electrical submersible Three-phase
ClassificationIP 68
Max submersion20 meters
Cable20 meters, SUBCAB: 3-phase: 4G2.5mm2
Discharge connectionN : 4" - hose, ISO-G or NPT H : 3" - hose, ISO-G or NPT
LimitationspH 5-8
Max liquid temp40°C
| 50 Hz | N | H |
| Discharge connection | 4" | 3" |
| Rated power P2 [kW] | 5,6 | 5,6 |
| Max. power consumption P1 [kW] | 6,6 | 6,6 |
| Shaft speed [r.p.m.] | 2895 | 2895 |
| Rated current at 230V | 19 A | 19 A |
| Rated current at 400V | 11 A | 11 A |
| Rated current at 500V | 8,7 A | 8,7 A |
| Rated current at 1000V | 4,3 A | 4,3 A |
| Solids passage [mm] | 10 | 10 |
| Height [mm] | 768 | 768 |
| Diameter [mm] | 286 | 286 |
| Weight [kg] | 50 | 50 |
Adalsbanan is one of the biggest railway projects in Sweden and comprises investments of 6600 MSEK. It stretches as far as 130 kilometres, from the city of Sundsvall to the connection to the Bothnia Line.
The Euroasia Tunnel Project is a 14.6 km route between Kazlicesme on the European side and Goztepe on the Asian side of Istanbul. It consists of three sections, widening and improvement of existing roads (including an extra lane) in Asia; construction of a two-deck road tunnel under the Bosphorus Staright; and widening and improvement of existing roads (including extra lanes) in Europe. When completed, the project will reduce the average travelling time between the two points from 100 minutes to 15 minutes.
When a new method of port construction was being carried out in Sweden, which involved pumping hard wearing material over one kilometer, there was only one pump for the job: the Grindex Hard Iron™ Bravo 700.
The tunnel is one of a number of major construction projects in progress around Stockholm. Ten kilometres of 220 kV high voltage cable cutting straight through residential areas will now be replaced with cables laid through the new tunnel. This will provide sufficient attractive land near Stockholm city for some 3,000 new homes.
When the Sepon mine was having continuous problems with their submersible pumps, it was left to Grindex to prove to them that submersibles could do the job in hand. They just needed Grindex mega pumps, Grindex pontoons, and a flexible operating solution.
A January night in 2017, the water retreated in the Bay of Koege. This wasn’t a good sign, they knew that at ETK (Danish Municipality in Koege), who is responsible for the daily maintenance and service of Koege municipality's outdoor and indoor areas. When the water retreats, it means an imminent flood disaster. And then the water came... In unmanageable amounts, and ETK had to watch while the roads and parks of the municipality were flooded.
"The total tonnage at Fäbodtjärn is at the moment estimated at about 200 000 tons, where we expect to process at its height 100 000 tons per year. This can be compared to a large scale mine like Swedish LKAB iron-ore mine where this would represent half-a-day’s production. The gold content however is one of the highest in Sweden, making this an economically sound investment for us" says Bengt Ljung, CEO of Botnia Exploration.
When the time arrived to sink the 20,000 metric ton segments of the new underwater tunnel in central Stockholm, Grindex pumps were chosen to handle this extremely sensitive job. They provided the ideal amount of control to lower these sections smoothly into place.
When the steel boxes that form the 100 meters long and 20 meters wide tunnel elements of the Stockholm City Line were transported from Estonia to Sweden, Grindex pumps were called upon to do some serious pumping.
