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PURION 2501 DUAL Basic
PURION 2501 DUAL Basic
PURION 2501 DUAL Basic
PURION 2501 DUAL Basic
PURION 2501 DUAL Basic
PURION 2501 DUAL Basic
PURION 2501 DUAL Basic
PURION 2501 DUAL Basic

PURION 2501 DUAL Basic

Basic - without monitoring level

*inkl. ges. MWSt

Lieferzeit 1-2 Tage

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The guests of a hotel facility have the desire to find a pool in perfect condition. In order to achieve this, a lot of chemicals such as chlorine, flocculants, pH-value raisers and lowerers are often added to the pool water. An alternative method to this chemical cudgel is purification using the physical process of UV-C disinfection. In this process, the DNA of algae and bacteria is specifically dissolved so that they die off. With the help of the PURION 2501 Dual, which is based on the concept of the PURION 2501, this method can be perfectly applied to pools up to 100m³. Pool users no longer swim in chemicals, but in naturally clear and clean water. Unpleasant effects, such as the famous red eyes or itchy skin can be avoided. And the guests of the hotel complex are guaranteed to be happy to come back. The PURION 2501 Dual is not only worthwhile for the guests, but also for the owner. In the long run, chemicals are very expensive, but the running costs for a UV-C disinfection system are manageable. For perfect swimming fun, there is therefore nothing better from an economic and ecological point of view than cleaning the pool with the PURION 2501 Dual UV-C disinfection system.

Thanks to a wide voltage ballast, this unit is designed for a voltage range of 85-264V and can thus be used in many different countries. The system is equipped with a Euro plug and can also be used for other types of plugs with an adapter (not included).

In order to keep a pool permanently free of algae, the correct coordination between pump and UV-C system is necessary. At least three times the pool content should flow through the UV-C system during the day. The maximum flow rate of 20m³/h should not be exceeded, as this will result in the water no longer being disinfected correctly. In certain cases it is necessary to let the system run longer: This is urgently required, for example, after major rainfall or if the water has been in the pool over the winter.

In case of an unfavorable initial situation with a lot of algae, it can be advantageous to use a biological flocculant to support the UV-C system.

Technische Daten

HerstellerPURION GmbH
ReaktorEdelstahl 1.4571
Anschluss AußengewindeR 1 1/2"
Durchsatz20 m³/h pool water
Dimensionen (L x B in mm)928 x 85 (2x)
Flanschabstand810 mm
Gewicht11 kg
Strahlernutzungsdauer10.000 h
Anzahl der Strahler2
Dosis400 J/m²
Maximale Temperatur 40 °C
GehäuseschutzartIP 65
Elektrischer Anschluss110 - 240 V, 50 - 60 Hz
Leistung90 W (2x)
Absicherung10 A
Maximaler Betriebsdruck10 bar
Wassertemperatur2 °C bis 40 °C


Zum Download stehende Dokumente

Datenblatt 1:Herunterladen


- UV disinfection system
- 2x UV lamp (90 W)
- Instruction manual


  • PURION service kit
  • PURION UVC lamp 90 W
  • PURION immersion pipe system T2500/2501
  • PURION mounting set Duals type 2
  • Pack of 10 Universal Filter Socks


Häufig gestellte Fragen

Can this system overheat?

The Purion's pool systems are not exposed to overheating problem if the UVC system should be switched on, but no water flow takes place.

Does the system automatically switch on the water flow?

No. We recommend that the UV system always put the UV system into operation in combination with the pump, which uses the full flow for disinfection. Since the system has a relative large diameter, there is no failure, the pump should be defective and this does not lead to water flow when the UV lamp is switched.

How do I know which UV-C system is the right one for me?

For an optimal effect, we recommend changing the entire pool content at least three times a day. However, the system should be in operation at least 8 hours a day so that there is also sufficient ventilation and filtration. The circulation rate is therefore based on the respective performance of the pump used and sand filter. The net performance of the pump can be reduced by cable lengths and heights to be overcome.
Also interesting: In our compact systems, the pump, sand filter and UVC system are ideally coordinated and already pre -assembled.

How long does the system have to run to keep a pool with algae?

There is a simple calculation for this: the pool content should flow through the UV-C system at least three times a day in order to kill a large part of the algae by mixing a corresponding mixing. If the algae growth is reinforced, for example, if the phases of extreme solar radiation or after strong rainfall or a thunderstorm, we recommend the circulation rate to four times upheaval.
Regardless of the circulation rate, we recommend that the system have min. 8 hours a day in operation in order to enable sufficient ventilation and filtration.

Is chlorine also required for pool cleaning?

If all three basic recommendations for the use of UV-C system in the pool area, the pool can be operated completely without chlorine. If necessary, the selective application of a biological flocculation means is worthwhile. However, our high-quality UV-C lamps allow a combination of chlorine and UV-C, since no ozone is created that would be reactive with chlorine.

What distinguishes Purion's UV-C systems?

The high-quality UV-C lamps of the Purion brand are durable and very powerful. They produce a very high UV-C content. The lamps we use in the pool area are also used in other facilities in drinking water preparation. The UV lamps used do not emit any radiation below 250nm, which excludes the formation of toxic ozone. Thus, the Purion systems can be used in combination with other preparation procedures that e.g. chlorine.

Do you recommend the use of ozone?

No, from our point of view, ozone should not be used in the pool area under any circumstances. Ozone is highly toxic. Excess ozone has to be destroyed again, whereby it is usually unclear how much ozone is left. In addition, Ozon reacts with chlorine, so that the effect of both procedures is greatly reduced. Cheap produced UV lamps often also emit radiation below 250nm, which means that ozone can be formed. This is excluded from the Purion systems.

Why does the UV-C lamp have to be changed after 10,000 hours even though it still works?

Each UV-C lamp has a technical drop in the UV-C performance. The manufacturer guarantees that the system will reach 60% UV-C output after 10,000 hours. The specified data on the systems always refer to this 60% performance. However, the drop in performance continues to increase from a term of 10,000 hours. Therefore, the lamp still works, but there is no longer enough UV-C output for an optimal disinfection result.

When do I need a life of life?

A service life monitoring is recommended for all users who do not permanently let the system switch on. A change of the lamp is recommended every 10,000 hours, since the manufacturer also does not guarantee the performance, i.e. the amount of UV-C radiation dose required for safe disinfection.

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