Prominent UV System Dulcodes A -

Prominent UV System Dulcodes A

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Perfect for the treatment of higher flows.

Flow up to 809 m3/h

The UV system Dulcodes A helps to ensure water quality. The UV system works energy-efficiently and cleanly based on continuously variable medium pressure lamps and can therefore automatically compensate for variations in the water quality or level of contamination.

The UV system Dulcodes A has a compact design. Output-optimised medium pressure lamps ensure effective disinfection of potable water and the photochemical breakdown of oxidants and/or combined chlorine.

The system is fitted with electronic ballasts, which continuously adjust the lamp output, either via an external signal, such as the flow rate, or by specification of a setpoint.

A long-term stable UVC sensor ensures that the system operates safely and reliably. The motor-driven automatic wiper efficiently cleans the lamp protection tubes and minimises maintenance work with types of water that have a tendency to form films. After comprehensive certification and biodosimetric validation, the systems comply with strict internationally recognised NSF, UL, CSA and USEPA standards.

Your benefits

  • Simple installation, thanks to the compact inline system, ensures minimal installation work and fast retrofitting
  • Maximum flexibility when installing, thanks to the free choice of fitting position and direct installation in plastic pipes, as no UV radiation escapes from the reactor
  • External power control via 0/4 - 20 mA standard signal for optimum adaptation of the system to changing operating conditions, such as flow fluctuations
  • Automatic adjustment of the lamp output to a defined UV-C sensor signal with power increase to a raised, adjustable sensor signal via a digital input saves energy and extends the lamp service life.
  • Unbeatable simple and quick maintenance: All maintenance work can be carried out quickly and conveniently from one side.
  • Certified systems: NSF 50, CSA 22, UL508, comprehensively biodosimetrically validated to UVDGM 2006

Field of application

  • Potable water
  • Process water
  • Swimming pool water

Technical Details

  • Optimised use of energy, thanks to large radiation chamber and uniform irradiation of the entire water flow due to optimised system hydraulics.
  • Radiation chambers made of high-grade stainless steel 1.4404/AISI316L
  • Powerline A medium-pressure lamps with high power input of up to 3 kW
  • Guaranteed (pro rata) lamp service life of 8,000 hours
  • Long-term stable UVC sensor for monitoring the lamp output, lamp protection tube fouling and changes in water quality
  • Integral temperature sensor for monitoring the water temperature in the radiation chamber
  • Automatic motor-driven wiper for efficient removal of deposits on the lamp protection tube
  • Double, independent and automatic monitoring of the wiper function by revolution counter and limit switch
  • Control cabinet made of coated steel
  • Freely programmable control (Comfort controller Dulcodes A) with backlit display during normal operation (green), warning (yellow) and fault (red)
  • Large graphic display to show all important operating parameters, such as the UV sensor signal, lamp power consumption, control type and operating status
  • Interfaces and connectors for:
    • Stopcock and flushing valve
    • Control of the feed pump
    • Operating signal relay
    • Warning and alarm relay for UV intensity
    • Collective malfunction alert relay
    • Pause contact
    • Relay for monitoring reactor temperature
    • Temperature monitoring and fault indicating relay for control cabinet temperature
    • Input for external fault
    • Digital input for switch-over to second power stage
    • 4-20 mA standard signal input for flow-dependent lamp control or control dependent on measured value
    • Standard signal output 4-20 mA of UV sensor signal

Technical Data

Type Max. flow Lamp power Connected load Reactor length Minimum clearance for service Min. distance from wall Empty weight/Operating weight Connector width DIN/ANSI
m3/h W kW mm mm mm kg DIN / ANSI
1 x 1A 50.0* / 83.0** 1.000 1.10 700 400 300 31/47 DN 100/4"
1 x 2A 91.0* / 149.0** 2.000 2.10 700 500 300 38/65 DN 150/6"
1 x 3A 176.0* / 290.0** 3.000 3.20 800 600 300 52/118 DN 200/8"
2 x 2A 240.0* / 395.0** 4.000 4.20 900 1,000 300 78/166 DN 200/8"
2 x 3A 328.0* / 539.0** 6.000 6.20 900 1,000 300 78/166 DN 250/10"
3 x 3A 492.0* / 809.0** 9.000 9.20 900 1,000 300 78/166 DN 300/12"

* 98 %/cm transmission; 600 J/m2 UV dose for the breaking down of combined chlorine

** 98 %/cm transmission; 400 J/m2 UV dose for disinfection applications

Lamp type Medium-pressure lamp Powerline A
Permissible operating pressure

10 bar (for systems 1 x 1A - 1 x 3A)

7 bar (for systems 2 x 2A - 3 x 3A)

Permissible ambient temperature 5 – 40 °C
Permissible water temperature 5 – 40 °C
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