• Need advice? Do you operate the boiler, cooling system or closed loop?  We advise and design for you the optimal chemical technical program.
  • I noticed efficiency decreasing of the device and don’t know where it can be a problem!  More can be found in our section "From practice".
  • We are trying to prevent water failures of cooling systems, boilers and closed loops. Contact us if you are interested in this issue or do you solve a problem.

Boiler rooms

At the customers we meet with many types of steam, hot water and heat water devices. Against past steam is used for heating occasionally. Many companies are still using steam for production. For example food production: dairy, bakeries, breweries. Steam is needed also to produceplastics or heavy industry.
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Open cooling

chladici veze

Open cooling systems come up to cooling thanks to water evaporation. Cooling towers evaporate 1% (at old) and 2% (at new)of curculating water. Delta T (temperature of hot water on top of the tower minus temperature of cooled water down) is about 5 oC.

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Closed loops

uzavrene systemy   
Closed loops have the greatest plenty of risks in the case they have low capacity, which is not permuted. Suppliers also make many mistakes during the treatment of water. Closed system treatment is often a check of qualities and supplier´s experience.

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Years and years we were collecting experiences in chemical industry so we decided to start up our own company. Diran Company s.r.o. was established at the end of 2012.

At present, we enter into partnership with powerful partners, who are creating chemical products which are used for treatment of processional water in industry. It includes especially the treatment of water for steam production, heat distribution, cooling, disinfection of potable and non-potable water.

Read more about us



Najdete nás

  • Starobělská 1063/13
    Ostrava – Zábřeh
    Česká republika 700 30
  • +420 702 181 700
  • This email address is being protected from spambots. You need JavaScript enabled to view it.


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