Grundfos CR 32-4-2 A-F-A-E-HQQE Vertical Multistage Centrifugal Pump

The Grundfos CR 32-4-2 A-F-A-E-HQQE is a high-performance vertical multistage centrifugal pump engineered for maximum efficiency, reliability, and durability. Designed to handle demanding industrial, HVAC, and water-supply applications, it delivers consistent flow, optimized hydraulic performance, and long service life. Its stainless steel impellers and cast iron base ensure robust construction and corrosion resistance, making it ideal for continuous-duty environments.

Manufacturer: Grundfos
Type: Vertical Multistage Centrifugal Pump
Model: CR 32-4-2 A-F-A-E-HQQE
Code: A96122012P10712 / 988314
Serial No.: 0013
Family: CR32
Pump Version: A

Technical Information

• Pump Size: 32
• Stages: 4
• Pressure: 7.5 kW
• Direction of Rotation: CCW (counterclockwise)
• Flow Rate (Q): 30 m³/h
• Rated Head (H): 53.1 m
• Maximum Head (Hmax): 70.3 m
• Maximum Pressure (pmax): 16 bar at 120°C
• Speed (n): 2919 rpm
• Frequency (f): 50 Hz
• Ambient Temperature: max. 60 °C
• Rated Efficiency: High (optimized hydraulic performance)
• Shaft Seal Arrangement: Single
• Primary Shaft Seal: HQQE

Materials

• Base: Cast Iron
• Impeller: Stainless Steel
• Bearing: SIC
• Type of Connection: DIN
• Inlet Connection: DN 65
• Outlet Connection: DN 65
• Pressure Rating for Connection: PN 40

Motor Information

• Motor Type: GRUNDFOS MG132SD2-38FF265-D1 3-Phase AC Motor
• Code: 85D17422
• Motor Power (P2): 7.5 kW
• Efficiency: 89.5 % (EFF1 class “ High Efficiency)
• Insulation Class: F
• Protection Class: IP55
• Duty Type: S1 (Continuous)
• Mounting Position: Vertical
• Bearing Types: DE: 7308 BE.2CS / NDE: 6206.2Z.C3

Electrical Data (50 Hz)

• Voltage: 380 – 415 V AC (delta)-3Phase
• Current: 15.2 A
• Max. Current: 16.8 A
• Power Factor (cos φ): 0.87 “ 0.80
• Speed: 2900 – 2920 rpm

Electrical Data (60 Hz)

• Voltage: 380 – 480 V AC (delta)-3Phase
• Rated Current: 14.8 – 13.4 A
• Max. Current: 16.2 – 14.8 A
• Power Factor (cos φ): 0.90 – 0.79
• Speed: 3490 – 3530 rpm

The Grundfos CR 32-4-2 A-F-A-E-HQQE is widely used in pressure boosting, water treatment, process systems, and HVAC installations. With high efficiency, quiet operation, and easy maintenance, it provides exceptional value for industries requiring reliable water handling and performance stability.