CronoNorm-NL is a single-stage, low-pressure centrifugal pump with an axial suction point, according to EN 733 and ISO 5199, mounted on a baseplate.

Applications

  • Pumping clean or slightly contaminated water (max. 20 ppm) without solid matter for circulation, transfer and pressure boosting purposes.
  • Pumping heating water in accordance with VDI 2035, water/glycol mixtures, cooling / cold water and industrial water.
  • Applications in municipal water supply, irrigation, building services, general industry, power stations, etc.

Key features / benefits

  • Burgmann mechanical seal with conical sealing chamber
  • Brand shaft protection
  • SPM connections for vibration and temperature sensors
  • Shaft deflection according to DIN ISO 5199
  • Permanently lubricated, generously dimensioned ball bearings (2Z version)

Technical data

  • Permissible temperature range of -20°C to +120°C
  • Mains connection 3~400 V, 50 Hz
  • Protection class IP 55
  • Nominal diameter DN 32 to DN 150
  • Max. operating pressure 16 bar

Materials

  • Pump housing and pressure lid: EN-GJL-250
  • Bearing bracket: EN-GJL-250
  • impeller: EN-GJL-250 (special version: G-CuSn10)
  • Shaft: X20Cr13
  • Mechanical seal: AQ1EGG (other mechanical seals on request)