Contact

1-800-266-8866*

*Toll Free

Wilo-CronoNorm-NL

Series description

Special features/product 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

Design type

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

General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)

Download

Product

PDF: Wilo-CronoNorm-NL

Configure

Page selection

Format selection

Optional information

You can enter any personal information that you want to be displayed in the header.

Download