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Nexis Advens

Water supply : Commercial
Nexis Advens
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HIGH-EFFICIENCY VERTICAL MULTI-STAGE PUMP

With variable speed for the pressurisation of drinking water distribution systems in collective residential and tertiary buildings.

TECHNICAL SPECIFICATIONS

Flow rate of up to : 31 m3/h
Manometric head of up to: : 243 mWC
Max. operating pressure on discharge: : 16 and 25 bar
Fluid temperature limit : -8 to +120°C
Max. ambient temperature : 40°C
DN oval-flanged port : DN 1" to 2"
DN round-flanged port : DN 25 to DN 80
Mains supply : 3~400 V, 50/60 Hz
Power : Up to 22 kW
Regulation mode : Speed regulation, constant or variable pressure, PDI

APPLICATIONS

For the pressurisation of drinking water distribution systems in collective residential and tertiary buildings.

BENEFTIS

• Energy savings
  High-efficiency synchronous permanent-magnet motor - IE5 (according to IEC 60034-30 Ed.2)
  Continuous adjustment of pump performance
  High-efficiency 2D/3D hydraulics
• Easy installation
  Lifting rings
  Requires less floor space
  One electrical connection and two hydraulic connections
• Easy maintenance
  Self-diagnosis error messages displayed on LCD screen
  Completely maintenance-free, standardised mechanical seal with cartridge to +120°C max.
  Spacer from 5.5 kW for easier removal of the mechanical seal
• Pump protection
  Flexibility of use, smoother operation and less water-hammer
  Integral low-water protection
  Integral thermal protection with automatic reset
• Acoustic comfort
  Quieter operation due to adaptation of pump speed to requirements

DESIGN

• Motor
  High-efficiency synchronous permanent-magnet motor - IE5 (according to IEC 60034-30 Ed.2)
  Integral variable-frequency drive
• Hydraulics
  2 to 13-stage multi-stage pump
  All 304 stainless steel (316 SS as an option) laser-welded, high-efficiency (3D/2D) hydraulics
  Mechanical seal with cartridge (up to 120°C)

Documents

 

ACCESSORIES

- Electronic communication and control IF module
- Regulation pressure sensor kit
- By-pass and pressure-tapping kit
- Shut-off valves
- Screw-on or solder-on counter-flanges (steel or stainless steel)
- Vibration-damping sleeves
- Bladder tank (24 L max.)
- Non-return valves
- Strainer foot valve with low head loss
- Low-water protection via pressure switch (mains) or float switch (tank)
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