Wilo-CronoNorm-NLG / Wilo-VeroNorm-NPG

Wilo-CronoNorm-NLG / Wilo-VeroNorm-NPG

Field of application: 

  • Heating, air-conditioning, cooling, water supply, industrial process


  • Single-stage, low-pressure centrifugal pump with axial suction, according to ISO 5199, mounted on a baseplate


  • Pumping of heating water (acc. to VDI 2035), cold water and water/glycol mixtures without abrasive substances in heating, cold water and cooling systems.
  • Applications for irrigation, building services, general industry, power stations, etc.

Volume flow Q max: 2,800 m³/h

Delivery head H max: 140 m

Technical data: 

  • Minimum Efficiency Index (MEI) ≥ 0.4
  • Permissible temperature range -20°C to +120°C
  • Mains connection 3~400 V, 50 Hz
  • Protection class: IP55
  • Nominal diameter DN 150 to DN 300
  • Max. operating pressure 16 bar

Equipment/ Function:

  • Single-stage horizontal spiral housing pump with bearing bracket and exchangeable stationary wear rings (NLG only) in process design
  • Shaft seal using mechanical shaft seals in accordance with EN 12756 or packing stuffing box
  • Spiral housing with cast pump bases.
  • Bearing of the pump shaft using greased grooved ball bearing
  •  Motors with efficiency class IE3

Special features: NLG

  • Reduced life cycle costs thanks to optimized efficiency
  • Bidirectional, force-flushed mechanical seal
  • Interchangeable casing wear rings
  • Permanently lubricated, generously dimensioned roller bearings