Grindex Milli Drainage Pump


Grindex Milli enables low suction down to only a few millimetres due to the unique non-return valve. The Milli share all the main components and functions with the well proven Micro, for the wear parts.

A non-return valve disc moves in a confined space. When the pump is started, the valve opens up and allows the water to pass through until the water is gone, or until you turn off the pump. When the valve closes, the seal against the lip-ring on the low suction bottom prevents the water from flushing out and emptying the hose.

The Milli pump excels in applications where reliability and easy handling are essential. It is built to handle contaminated water, pH 5-8, and water containing relatively abrasive solids up to the size of 5 mm.


Pump type

Electrical submersible One-phase.


IP 68

Max submersion

5 m (16.4 ft)


10 m/ 16AWG/3

Discharge connection

Hose, BSP or NPSM


pH 5-8

Max liquid temp

35°C (95 °F)

60 Hz Milli
Discharge connection 2"
Rated power P2 [kW/HP] 0.45 / 0.6
Max. power consumption P1 [kW]/HP 0.65 / 0.87
Shaft speed [rpm] 3300
Rated current at 115V 5.5 A
Rated current at 230V 2.9 A
Solids passage [mm/inch] 6.2 / 0.25
Height [mm/inch] 464 / 18¼
Diameter [mm/inch] 188 / 7.4
Weight [kg/lbs] 13 / 28.7


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