4SR

4" submersible borehole pumps

They are recommended for pumping clean water. Due to their high efficiency and reliability, they are suitable for domestic, civil and industrial applications, for water distribution coupled with autoclaves, for irrigation, for washing systems, for pressure boosting, etc.

Flow rate up to 350 l/min (21 m³/h)
Head up up to 576 m
Liquid temperature up to +35 °C
Maximus sand content – 200 g/m3 for 4SR-S
– 150 g/m3 for 4SR-N
Maximum operating depth below water level – 200 m with 4PD motors
– 300 m with 4PS motors
Motor 2 poles
Ingress protection rating IP 68
Delivery port Stainless steel AISI 304
Pump sleeve Stainless steel AISI 304
Impellers – Derlin® for 4SR-S
– Noryl™ for 4SR-N
Diffusers Noryl™
Shaft Stainless steel AISI 304
Motor bracket Stainless steel AISI 304

Technical documentation