Submersible pump Pedrollo 4SR8-13

The hydraulic section of a submersible well pump is its functional core, ensuring water lift from depth, the formation of working pressure, and stable flow. The efficiency, service life, and resistance of the pump to external loads depend directly on the design and characteristics of the hydraulics. The Pedrollo 4SR8-13 belongs to the powerful 4SR8 line and is designed for intensive water supply at significant depths and high flow rates. This model is specifically developed for facilities with large water supply needs – both in domestic and industrial settings.

Design Features of Pedrollo 4SR8-13

The 4SR8-13 model is equipped with thirteen powerful hydraulic stages, each increasing the head, simultaneously providing a large volume of water and pressure in the system. Larger diameter and high-performance impellers distinguish the 4SR8 series from standard 4SR4 models.

Key design elements:

▪️Enlarged impellers, made of technopolymer reinforced with fiberglass – for maximum performance and wear resistance.

▪️Carefully designed diffusers ensure uniform flow and minimal hydraulic losses.

▪️Reinforced stainless steel shaft, adapted for high axial loads arising from large volume delivery.

▪️Sand protection system, allowing for abrasive particles in the water up to 150 g/m³.

▪️Compatibility with powerful motors from the 4PD and 4PS series, designed for long-term operation in heavy conditions.

Technical Specifications

▪️Number of stages: 13.

▪️Minimum well diameter: 100 mm (4").

▪️Compatible submersion depth:

up to 200 m with 4PD motor,

up to 100 m with 4PS motor.

▪️Water operating temperature: up to +35°C.

▪️Permissible sand content: up to 150 g/m³.

▪️Installation type: vertical and horizontal mounting.

▪️Working medium: clean water, including slightly sand-contaminated.

Areas of Application for Pedrollo 4SR8-13

Thanks to its high performance, the 4SR8-13 model is particularly in demand in facilities where high water flow and consistent head are simultaneously required: 

✅ Multi-story private homes and residential complexes requiring stable water supply at multiple levels. 

✅ Farm and agricultural operations where it is important to supply water to extensive areas or automatic irrigation systems. 

✅ Industrial and processing enterprises needing water supply or cooling. 

✅ Water supply for public facilities such as schools, hotels, clinics, where consumption is high throughout the day. 

✅ Pressure boosting stations with water supply from a well.

Advantages of the Pedrollo 4SR8-13 Model

▪️High performance – enlarged impellers and robust design ensure the delivery of large volumes of water.

▪️Resistance to sand and wear – suitable for use in most standard wells.

▪️Long-term trouble-free operation – thanks to high-quality materials and precise assembly.

▪️Energy efficiency – optimal hydraulics reduce energy losses.

▪️Versatility of application – from private facilities to industrial systems.

The Pedrollo 4SR8-13 is a professional choice for those seeking high-performance pump hydraulics for systems where both flow rate and stable pressure are important. This model reliably operates when submerged up to 200 meters, easily handles increased loads, and provides efficient water supply to facilities of any scale. Time-tested reliability and signature Italian quality from Pedrollo make it an ideal solution for agricultural, industrial, and domestic applications.