Grindex Major Drainage Pumps (N & H)
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)
Pump type
Electrical submersible Three-phase
Classification
IP 68
Max submersion
20 meters
Cable
20 meters, SUBCAB: 3-phase: 4G2.5mm2
Discharge connection
N : 4" - hose, ISO-G or NPT H : 3" - hose, ISO-G or NPT
Limitations
pH 5-8
Max liquid temp
40°C
| 60 Hz | N | H |
| Discharge connection C | 4" | 3" |
| Rated power P2 [kW/HP] | 6.6 / 9.0 | 6.6 / 9.0 |
| Max. power consumption P1 [kW] | 7.7 | 7.7 |
| Shaft speed [r.p.m.] | 3470 | 3470 |
| Rated current at 230V | 22 A | 22 A |
| Rated current at 460V | 11 A | 11 A |
| Rated current at 575V | 8.7 A | 8.7 A |
| Solids passage [mm/inch] | 10 / 0.4 | 10 / 0.4 |
| Height [mm/inch] | 768 / 30¼ | 768 / 30¼ |
| Diameter [mm/inch] | 286 / 11¼ | 286 / 11¼ |
| Weight [kg/lbs] | 50 / 110 | 50 / 110 |
