Wilo-CronoNorm-NL

Series description

Your advantages

  • Reduced life-cycle costs through optimised efficiency levels
  • Bidirectional, force-flushed mechanical seal
  • Low NPSH values, best cavitation properties
  • Shaft coupling with or without spacer coupling

Construction

Single-stage, low-pressure centrifugal pump with axial suction, mounted on a baseplate.

Application

  • 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.

Equipment/function

Single-stage low-pressure centrifugal pump in monobloc design with coupling, coupling guard, motor and baseplate

  • Mechanical shaft seal or stuffing box

Scope of delivery

  • Pump
  • Installation and operating instructions
  • Pump with free shaft end or
  • Pump on baseplate with coupling and coupling guard, without motor or
  • Completely mounted pump on baseplate with electric motor

Type key

Example

NL 40/200B-11/2

NL

Standard pump with axial suction

40

DN for the pressure flange

200

Impeller nominal diameter [mm]

B

Hydraulic version

11

Rated power P2 [kW]

2

Number of poles

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)

Description/construction

  • Single-level, low-pressure centrifugal pump as baseplate pump with axial suction ports with flanged bearing bracket and axle fastening for flexibly coupled drives
  • Spacer coupling (sleeve coupling) available optionally, they provide the option to leave the motor in position when dismantling the rotor unit

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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General overview 2019 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 74

PDF (42 MB)

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Product

PDF: Wilo-CronoNorm-NL

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