Interpump W154B Hollow Shaft Pump – 14 L/min @ 150 Bar, 1450 RPM – Part No: W154BThe Interpump W154B is a high efficiency hollow shaft piston pump designed for use with electric motor driven pressure washer systems. Operating at 1450 RPM, it provides a flow rate of 14 litres per minute at 150 Bar (3000 PSI), making it suitable for medium duty industrial and commercial cleaning tasks. This model features a 28mm hollow shaft, making it easy to mount directly to compatible electric motors without the need for additional couplings.