The Pedrollo 4SR4/18 is a 4'' (Ø 98mm) hydraulic well pump part, fully executed in stainless steel AISI 304 and technopolymer impellers. The Pedrollo 4SR4/18 hydraulic part is suitable for 4 '' Pedrollo or Franklin electric motors of 2 HP.

The 4SR4/18 is equipped with a floating axial multi impeller system and can pump up to 150 grams of sand per m3 (medium). Maximum medium temperature 30 °C.

This hydraulic part has a 1 1/4 '' pressure connection and a maximum pump capacity of 6,000 ltr/hour and a maximum head of 11.2 Bar.

Pump curve Pedrollo 4SR4/18:

Capacity (Ltrs/min) - head (Bar)

20 L/min. - 11.2 bar
60 Ltr/min. - 9.0 bar
100 L/min. - 4.5 bar

The 4SR4/18 has a 1 1/4 '' pressure connection, for a good coupling '''' transition to a Tyleen hose, we recommend mounting the Beulco coupling with 1 1/4 '' male thread in the pressure connection of the pump part.

If you use tyleen / PE 100 pipe, we advise you to use the separate Beulco conical bush in combination with the Beulco coupling, so you are assured of an optimal transition to your PE pipe.

The 4SR4/18 needs an engine power of 2 HP / 1.5KW. in a 230v. or 400v. performance.

For matching motors see Pedrollo or Franklin 4 '' electric motors (see below under related products).

Product specifications Pedrollo 4SR4/18:

Pump type: Pedrollo 4SR4/18
Power requirement: 1 HP ''“ 1.5 KW
Capacity in litres/minute: 100 Ltr.
Pressure in bar: 11.2 bar
Press connection: 1 1/4'' female thread

Material: Completely made of stainless steel AISI 304
Impeller material: Technopolymer
Maximum medium temperature: 30 °C
Maximum sand to be pumped: 150 grams / m3 (medium)

Are you looking for a different model 4 '' pump part, or do you need help in assembling the right motor for the Pedrollo 4SR4/18 hydraulic part? Feel free to contact our customer service, they will help you there.

In addition to the 4SR4/9, there are several other 4'' pump parts from 0.5 to 10HP. We also have 6 '' pump parts in our range