The Grundfos CR64-1 is a vertical, non-self-priming, multistage inline centrifugal pump designed for high-flow industrial applications. With a rated flow of 64 m³/h (282 US gpm) and rated head of 21.1 m (69.2 ft) at 50 Hz, it is powered by a 5.5 kW (7.5 HP) IE3 premium efficiency motor at 2,919 rpm. The pump features DIN PN 16 flanges (DN 100), cast iron pump head and base (EN-GJS-500-7), stainless steel 304 impellers and chambers, and an HQQE cartridge shaft seal (SiC/SiC/EPDM) suitable for liquid temperatures from -30°C to +120°C. The inline design with suction and discharge ports at the same level simplifies installation in pipework. Typical applications include water supply, pressure boosting, industrial process water, cooling systems, boiler feed, and washing/cleaning systems.
Q: What is the model code breakdown for CR64-1A-F-A-E-HQBE?
CR64 = CR series, 64 m³/h nominal flow; 1 = single stage; A = basic pump version; F = flange connection (DIN); A = motor variant; E = HQQE cartridge shaft seal; HQBE = SiC/SiC/EPDM seal materials.
Q: What is the flow rate of the Grundfos CR64-1?
The rated flow is 64 m³/h (282 US gpm) at 50 Hz, or up to 339 US gpm at 60 Hz.
Q: What power supply is required?
The pump requires a 3-phase 380-415 V Δ power supply at 50 Hz, drawing 10.6-11.0 A.
Q: What is the maximum operating pressure?
The maximum operating pressure is 16 bar (232 psi) with the standard DIN PN 16 flanges.
Q: Can this pump handle hot liquids?
Yes, with the HQQE shaft seal (SiC/SiC/EPDM), the pump can handle liquid temperatures from -30°C to +120°C.
Q: What is the pump weight?
The net weight of the CR64-1 pump and motor assembly is approximately 102 kg (225 lb).
Q: What materials are in contact with the pumped liquid?
The impellers, chambers, and sleeve are stainless steel 304 (EN 1.4301), the pump head and base are cast iron, and the shaft seal has SiC faces with EPDM rubber.
Q: Is this pump suitable for multi-stage configurations?
Yes, the CR64 series is available in multi-stage variants (CR64-2 through CR64-8) for higher head requirements up to 168 m.
