Single-stage centrifugal pump as baseplate pump in accordance with EN 733, with axial suction ports and radial pressure ports for installation on a base. Pump with supporting foot and flanged bearing bracket, elastic coupling/spacer coupling (extra charge), coupling guard and motor mounted to same baseplate.

IEC motor with 3 PTC thermistor sensors. Shaft sealing via non-cooled mechanical seal up to max. 120 °C. Grey cast iron housing, stainless steel shaft, grey cast iron impeller (bronze impeller available at extra charge).

Materials

• Pump housing
  EN-GJL-250
• Lantern
  EN-GJL-250
• Shaft
  1.4028
• Shaft seal
  AQ1EGG

Operating data

• Min. fluid temperature T_min
  -20 °C
• Max. fluid temperature T_max
  120 °C
• Maximum operating pressure p
  16 bar
• Max. ambient temperature T_max
  40 °C
• Minimum efficiency index (MEI)
  0.4

Motor data

• Voltage tolerance
  ±10 %
• Motor efficiency class
  IE3
• Rated power P₂
  11000.0 W
• Rated speed n
  2945 rpm
• Rated current I_N
  18.70 A
• Power factor cos φ
  0.93
• Insulation class
  F

Installation dimensions

• Pipe connection on the suction side RPS
  DN 50
• Pipe connection on the pressure side RPD
  DN 40

Information for order placements

• Brand
  Wilo
• Net weight, approx. m
  191 kg
• Product description
  CronoNorm-NL 40/200-11/2
• Article number
  4108990