S4of DAB are 4-inch multi-impeller submerged pumps for clean water, designed for pressurization, gardening and irrigation, underground sampling in domestic and residential, civil and commercial areas and irrigation systems, including in agriculture. The S4 pumps must be installed in wells of at least 4 “in diameter, in tanks or cisterns and allow to increase the water pressure which can then be used for example to water medium or large gardens or (in the case of models with several flow rate and prevalence) in irrigation systems in agriculture. S4 pumps are available with DAB submersible motors in a water bath or an oil bath. They are sand resistant pumps with high efficiency. The whole range complies with the MEI ≥ 4. Certificate ACS, WRAS and DM174 certifications in progress.