WDRIVE-NRC / WDRIVE-NRC4

WDRIVE-NRC / WDRIVE-NRC4

The variable-frequency controlled circulation pump that redefines the conventional operation of in-line pumps.

• Integrated WDRIVE variable-frequency control technology
• High-efficiency IE3/IE4 motors
• Precise system control through integrated sensors
• High flow capacity up to 300 m³/h
• Head up to 85 mWC
• Single- and twin-pump options (NRC/NRC4)
• Energy savings through variable-speed operation
• Hydraulic design optimised for HVAC systems
• Cast iron, bronze, stainless steel, and duplex options
• Long-lasting mechanical seal system

• Maximum Flow Rate (Q): 300 m³/h
• Maximum Head (H): 85 mWC
• Motor Power: 0.37–15 kW
• Voltage: 1 × 230 V / 3 × 400 V
• Protection Class: IP54
• Frequency: 50/60 Hz
• Energy Efficiency Index: EEI ≥ 0.40
• Maximum Operating Pressure: 10/16 bar
• Connection Sizes: DN40–DN150
• Fluid Temperature: −20 °C to +120 °C
• Cast iron casing
• Bronze impeller option
• Stainless steel options
• Duplex material options
• Mechanical seal
• Integrated sensors
• Integrated WDRIVE variable-frequency control unit
• IE3/IE4 TEFC motors
• HVAC systems
• Heating systems
• Cooling systems
• Domestic hot water (DHW) recirculation