Wilo-CronoNorm-NLG
Wilo-CronoNorm-NLG
Your advantages
- IE3/IE4 motor technology for energy-saving operation
- Optimised efficiency reduces life cycle costs
- Bidirectional, force-flushed mechanical seal
- Exchangeable neck rings
- Permanently lubricated, generously sized ball bearing
- Low NPSH value, optimal cavitation characteristics
Recommended services
Environmentally friendly features
- Improved hydraulics ensure high overall efficiency and an IE3/IE4 motor saves energy
- Easily replaceable and standardised components for a longer service life (e.g. spacer coupling, bronze neck ring)
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Design
Single-stage, low-pressure centrifugal pump with axial suction, mounted on a baseplate.
Application
- Pumping of heating water (acc. to VDI 2035), chilled water and water/glycol mixtures without abrasive substances in heating, chilled 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
Scope of delivery
- 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
Options
- Other materials and versions on request
- Other voltages and frequencies available on request.
Installation and operating instructions
Wilo-CronoNorm-NL, NLG
| Article Number | 4168440 |
| Edition | 1111 |
| Number of pages | 59 |
| Language | en |
PDF (3 MB)Wilo-CronoNorm-NL, NLG
| Article Number | 4168440 |
| Edition | 1111 |
| Number of pages | 58 |
| Language | en |
PDF (3 MB)Certification booklet
Wilo-CronoNorm NLG, Wilo-CronoNorm NLG (Bare Shaft)
| Article Number | 6088779 |
| Edition | 2022-05 |
| Number of pages | 20 |
| Language | language neutral |
PDF (11 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (327 KB)