"4"" multi-impeller borehole pumps for clean water, designed for water boosting, gardening and irrigation, lifting water from boreholes in residential building service, commercial building service and irrigation systems also for agriculture. The S4 pumps must be installed in wells with a diameter of at least 4"", or in tanks or cisterns and it increases the pressure of water that can then be used for example to water medium or large gardens or (in the case of models with a greater flow and head) in irrigation systems in agriculture. Hydraulic part made of AISI 304 stainless steel, technopolymer for parts in contact with water. Technopolymer impellers and diffusers. Built-in non-return valve and suction filter. Single-phase version with manually resettable overload protection and capacitor in the electric control panel to be ordered separately (except for the kit version). Overload protection to be provided by the user for the three-phase version. All the model have the ACS certificate. WRAS and DM174 certificates are pending approval. Also available with 4GG motor (water filled) or 4OL motor (oil filled).
Available as standard:
- Only pump body
- Pump body with oil-filled motor
- Pump body with water-filled motor
- Kit with pump body and motor, power supply cable, cord and control box for single-phase version."