CronoNorm-NLG 300/550-250/4

Data sheet

Hydraulic data
  • Max. volume flow Q
    2400 m³/h
  • Max. delivery head H
    100.00 m
Product data
  • Max. fluid temperature T
    120 °C
  • Min. fluid temperature T
    -20 °C
  • Max. ambient temperature T
    40 °C
Motor data
  • Motor efficiency class
    IE3
  • Voltage tolerance
    ±10 % %
  • Rated power P2
    250.00 kW
  • Rated current IN
    436.00 A
  • Power factor cos φ
    0.86
  • Insulation class
    F
  • Integrated full motor protection
    yes
Installation dimensions
  • Pipe connection on the suction side
    DN 250
  • Pipe connection on the pressure side
    DN 250
  • Maximum operating pressure PN
    16 bar
Materials
  • Shaft
    1.4028, X30Cr13
  • Pump housing
    5.1301, EN-GJL-250
  • Impeller
    Konstruktionswerkstoff mit hoher Dehnung, korrosions- und meerwasserbeständig.
  • Mechanical seal
    AQ1EGG
Information for order placements
  • Net weight, approx. m
    2716 kg
  • Article number
    4461279
  • Product description
    CronoNorm-NLG 300/550-250/4
  • Brand
    Wilo

Ordering information

Information for order placements
  • Brand
    Wilo
  • Product description
    CronoNorm-NLG 300/550-250/4
  • EAN number
    4048482628202
  • Article number
    4461279
  • Gross weight, approx. m
    2757.0 kg
  • Net weight, approx. m
    2716 kg
  • Overall length L
    2759.0 mm
  • Height without packaging H
    1347 mm
  • Colour
    Green
  • Packaging property
    Transport packaging
  • Packaging type
    One-way pallet
  • Number per layer
    1
  • Width without packaging L
    830.0 mm
  • Minimum order quantity
    1
  • Pieces per pallet
    1

Tender text

Single-stage centrifugal pump as baseplate pump. With axial suction port and radial discharge port, for installation on a base. Pump with support foot and flanged bearing bracket, elastic spacer coupling, 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. Spheroidal cast iron housing, stainless steel shaft, grey cast iron impeller (bronze impeller available at additional charge).

Materials
  • Pump housing
    5.1301, EN-GJL-250
  • Impeller
    Konstruktionswerkstoff mit hoher Dehnung, korrosions- und meerwasserbeständig.
  • Shaft
    1.4028, X30Cr13
Operating data
  • Min. fluid temperature T
    -20 °C
  • Max. fluid temperature T
    120 °C
  • Maximum operating pressure p
    16 bar
  • Max. ambient temperature T
    40 °C
  • Minimum efficiency index (MEI)
    0.4
Motor data
  • Shaft power P2(Q=max.) of selected impeller * number of pumps
    250000 W
  • Rated current IN
    436.00 A
  • Motor efficiency ηM 50%
    96
  • Motor efficiency ηM 75%
    96.2
  • Motor efficiency ηM 100%
    96.2
  • Power factor cos φ
    0.86
Installation dimensions
  • Pipe connection on the suction side
    DN 250
  • Pipe connection on the pressure side
    DN 250
Information for order placements
  • Brand
    Wilo
  • Net weight, approx. m
    2716 kg
  • Product description
    CronoNorm-NLG 300/550-250/4
  • Article number
    4461279

Downloads

REACH Regulation

Edition 2018-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (581 kB)

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PDF: CronoNorm-NLG 300/550-250/4

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