Wilo-CronoNorm-NLG
Single-stage, low-pressure centrifugal pump with axial suction, mounted on a baseplate.
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Description
Single-stage, low-pressure centrifugal pump with axial suction, mounted on a baseplate.
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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
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Technical Features
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.
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
Option
- Other materials and versions on request
- Other voltages and frequencies available on request
- Downloads
