4SR 
Description
Suitable for use with clean water with a sand content of no more than 150 g/m³. Because of their high efficiency and reliability, they are suitable for use in domestic, civil and industrial applications such as for the distribution of water in combination with pressure tanks, for irrigation, for washing plants and for pressure boosting in fire-fighting sets, etc.
Features
Liquid type: clean water
Uses: domestic, civil, industrial
Applications: water supply systems, fire-fighting sets, pressure systems, irrigation pumps
typology: submersible
Family: submersible 4" pumps
Performance Range:
- Flow rate up to 45 l/min (2.7 m³/h)
- Head up to 133 m
Application Limit:
- Temperature of the liquid to +35 °C
- Maximum sand content 150 g/m³
- Maximum immersion depth of 60 m with a sufficiently long power cable
- Starts/hour: 20 at regular intervals
- Minimum flow rate for motor cooling 8 cm/s
- Continuous service S1