Davies 220-CN-50-0550 cast iron wash-down pump 5.5 hp 4.0 kW 400v 50HZ DIN50-125ADavies 220 CN 50 0550 cast iron wash down pump 5. 5 hp 4. 0 kW 400v 50HZ DIN50 125A The Davies Pumps CN series are rugged DIN standard cast iron single impeller pumps with flange mounts. They have been proven to be strong and reliable in closed loop chiller circuits, cooling towers, dairy sheds and many other wash down applications. Manufactured according to DN 24255 standards. Max pumped liquid temp: 90C Max ambient temp: 40C Max working pressure: 10