The demand for high-performance water pumps has been steadily rising alongside the expansion of water transport systems worldwide. In response to this demand, KSB Group has extended its RDLO type series, increasing the number of available sizes from 21 to 33, to meet the growing needs of various applications.

Designed as axially split volute casing pumps, the RDLO pumps are primarily utilized for clean water transport in pumping stations globally. Renowned for their exceptional durability, these pumps feature a casing with double volute to compensate for radial forces and a double-entry impeller to balance axial forces, ensuring an extended service life. Furthermore, generously sized rolling element bearings minimize loads, resulting in excellent efficiencies and reduced energy costs throughout the pump's operational lifespan.

Source: KSB

Low-vibration operation is achieved through solid bearing brackets and a rigid shaft, significantly diminishing loads on essential components such as bearings, mechanical seals and couplings. Ease of maintenance is also prioritized in the design, with self-centering upper casings and spring-loaded rotors facilitating straightforward assembly without additional adjustments.

With the series expansion, the RDLO pumps can now achieve flow rates of up to 20,000 m³ per hour (88,000 US gpm) and heads of up to 300 m (427 psi). Additionally, their ability to transport seawater is enhanced by incorporating duplex steels alongside standard materials like grey cast iron and nodular cast iron.

This expansion aligns with the growing trend toward larger pumps for water transport, offering enhanced performance and versatility to meet diverse industry requirements.