Welgro DSP4RFF – Series pumps are fully Stainless Steel, Fabricated, 4″ Borewell Submersible pumps suitable for clear water, high head applications. These Pumps are of Multistage Centrifugal types, accommodating Radial flow Impellers according to the required Head & Flow. The Pump & Motor are joined with Keyway coupling. The precise design, materials combination, manufacturing process and stringent quality assurance procedures ensure high quality performance and durability of the pumps. These pumps are available in SS 304 & SS 316 constructions.