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Wilo-CronoNorm-NLG | Wilo
Your advantages
Wilo-CronoNorm-NLG

Your advantages

  • Reduced life cycle costs thanks to optimised efficiency
  • Bidirectional, force-flushed mechanical seal
  • Interchangeable neck rings
  • Permanently lubricated, generously dimensioned roller bearings
  • Low NPSH, best cavitation properties
Series description
nlg__bigdut_01

Design

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

Typekey

Example

NLG 200/315-75/4

NLG

Series designation: Standard pump

200

Nominal diameter DN of pressure port

315

Nominal diameter of impeller [mm]

75

Rated motor power P2 [kW]

4

number of poles

Technical data

  • Permissible temperature range -20°C to +120°C
  • Mains connection 3~400 V, 50 Hz
  • Protection class: IP55
  • Nominal diameter DN 150 to DN 300
  • Max. operating pressure 16 bar

Materials

  • Pump housing and pressure lid: EN-GJS-500-7
  • Bearing bracket: EN-GJL-250
  • Impeller: EN-GJL-250 (special version: G-CuSn10)
  • Shaft: 1.4028
  • Stationary wear rings: G-CuSn10
  • Mechanical seal: AQ1EGG; (other mechanical seals on request)

Construction

  • Single-stage horizontal spiral housing pump with bearing bracket and exchangeable stationary wear rings in process design
  • Shaft seal using mechanical shaft seals in accordance with EN 12756 or packing stuffing box
  • Spiral housing with cast pump bases. Bearing of the pump shaft using greased grooved ball bearing
  • Shaft coupling with intermediate sleeve

Delivery state

  • Pump
  • Installation and operating instructions
  • Pump with free shaft end or
  • Pump on baseplate with coupling and coupling guard or
  • Completely mounted pump on baseplate with electric motor
Downloads

Installation and operating instructions

Wilo-CronoNorm-NL, NLG

Article Number 4168440
Edition 1111
Page format A4
Number of pages 59
PDF (3 MB)

Wilo-CronoNorm-NL, NLG

Article Number 4168440
Edition 1111
Page format A4
Number of pages 58
PDF (3 MB)

General overview (Documents)

General overview 2019 International version

Article Number 2200591
Edition 2018
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (40 MB)

General overview 2021 International version

Edition 2020
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (10 MB)

Certificate REACH (Documents)

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)
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