TECHNICAL DATA
- Mains connection 3~400 V ± 10%, 50 Hz; 3~380/440 V ±10 %, 60 Hz
- Max. fluid temperature +50 °C (+70 °C optional)
- Ambient temperature max. 40 °C
- Operating pressure 16 bar (25 bar optional)
- Inlet pressure 10 bar
- Nominal connection diameters on discharge side R 1½ – DN 125
- Nominal connection diameters on inlet side R 1½” – DN 125
- Speed range 1500-3770 rpm
- Protection class: IP 54
- Fuse protection on mains side A, AC 3 according to motor power and EVU regulations
- Approved fluids (other fluids on request):Note on fluids: Approved fluids are generally waters which do not attack the materials used, neither chemically nor mechanically, and do not contain any abrasive or long-fibre constituents. System in accordance with DIN 1988 (EN 806)
- Drinking water and domestic hot water
- Cooling water
- Fire water
APPLICATION
- Fully automatic water supply and pressure boosting in residential, commercial and public buildings, hotels, hospitals, department stores and for industrial systems.
- Pumping of drinking water and process water, cooling water, fire water (apart from fire-extinguishing systems in accordance with DIN 14462 and with the approval of the local fire safety authorities) or other types of industrial water that do not attack the materials either chemically or mechanically and do not contain abrasive or long-fibre constituents.
MATERIALS
For the series with Helix VE 4 to VE 16:
- Impellers, diffusers, stage housing made of stainless steel 1.4307
- Pump housing made of stainless steel 1.4301
- Shaft made of stainless steel 1.4057
- 1.4404 shaft protection sleeve
- O-ring gaskets made of EPDM (FKM gasket on request)
- Pipework made of stainless steel 1.4571
