Series 4 Series Multistage Centrifugal Pumps are designed to pump potable or service water. They are suitable as well drilling pumps with a 110 mm bore diameter .
Pumps can work either individually or in a pressurized container assembly and a pressure switch such as automatic pressure station or domestic waterworks .
| pump / device type | Pedrollo 4SR | |
| Head | up to 405 m | |
| Flow | up to 22.5 m3 / hour | |
| Power | 0.37 to 7.5 kW | |
| Material | stainless steel |
The impellers on the shaft rotates inside the blade diffuser, which directs the fluid from one impeller to the suction opening next. The fluid thus passes through the series of impellers to the dispensing line. Each impeller and diffuser are one step that will increase the pressure of the liquid by the same value.
Model 4SR1 4SR1,5 4SR2 4SR4 4SR6 4SR8 4SR10 4SR12 4SR15 Pumped liquid Drinking or service water with impurities up to 150g / m3 Max. flow rate [Q = l / min] 30 45 60 100 150 200 250 300 375 Max. head height [H = m] 266 288 260 405 380 280 230 182 150 Media Temperature [ ° C]
30 30 30 30 30 30 30 30 30 Max. underwater [m] 100 100 100 100 100 100 100 100 100 Engine power [kW] 0.37-1.5kW 0.37-2.2kW 0.37-2.2kW 0.55-5.5kW 0.55-7.5kW 0.75-7.5kW 1.1-7.5kW 1.1-7.5kW 1.5-7.5kW 
