Grundfos CR 20-4 A-F-A-E-HQQE Multistage Centrifugal Pump

The CR range offers highly reliable pumps that intelligently adapt to an endless variety of applications. The basic CR range pumps are available in four different materials: cast iron, two grades of stainless steel, and titanium. There are pumps with 13 different flow ranges, capable of generating pressures up to 50 bar, with various shaft seals and rubber materials. The modular construction system means you can choose a version to meet almost any need, handle difficult liquids, and withstand the most demanding operating conditions. The parts that are usually most sensitive to complex liquids or especially demanding operating conditions can be optimized for these purposes or designed to meet specific requirements. The CRE range incorporates the new SaVer motors in single-phase models up to 1.5kW and in three-phase models up to 2.2kW. These new IE4 motors included in the CRE range operate at 4,000 rpm. The rest of the CRE range with standard motors now operates at 3,500 rpm, regardless of supply frequency. The CR range pumps offer a complete variety of design solutions and allow all types of applications, both industrial and domestic: Process water systems. Washing and cleaning systems. Saltwater systems. Acid and alkali pumping. Ultrafiltration systems. Reverse osmosis systems. Swimming pool installations.