NRC/NRC4

The pump series that forms the hydraulic backbone of central circulation systems.

• Compact installation with an in-line connection design
• Close-coupled shaft design with no coupling
• High-efficiency IE3/IE4 motors
• Suitable for use with variable frequency drives (VFDs)
• Wide-ranging product portfolio covering various performance requirements
• Low energy consumption and high operating efficiency
• Durable cast iron casing with various material options
• An ideal solution for HVAC and large building systems
• NRC Series at 2,900 rpm and NRC4 Series at 1,450 rpm
• Reliable design for continuous-duty applications

• Maximum Flow Rate (Q): 550 m³/h
• Maximum Head (H): 100 mWC
• Motor Power: 0.37–90 kW
• Voltage: 3 × 400 V
• Protection Class: IP54
• Frequency: 50/60 Hz
• Compliant with EU Regulation 547/2012
• Maximum Operating Pressure: 10/16 bar
• Connection Sizes: DN32–DN200
• Fluid Temperature: −20 °C to +120 °C
• Cast iron casing
• Bronze impeller option
• Stainless steel options
• Duplex mechanical seal
• Rigid-coupled design
• IE3/IE4 TEFC motors
• NRC: 2,900 rpm
• NRC4: 1,450 rpm
• HVAC systems
• Heating systems
• Cooling systems
• Domestic hot water recirculation (DHW-R)
• Firefighting systems
• Booster systems