Process cooling
The manufacturing industry depends on the reliable maintenance of specific temperatures to ensure high quality of the goods produced. Precise temperature control, reliability and energy efficiency are a priority.
Roller offers a wide range of heat exchangers and air coolers for process cooling.
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These air coolers are particularly suitable for use in the process cooling

Air cooler / Evaporator
HVIA/HVIAT
Industrial air coolers for large cold stores and low-temperature storage rooms

Luftkühler/Verdampfer
FHVI/FHVIT
Hocheffiziente Luftkühler für größere Kühl- und Tiefkühlhäuser

Air cooler / Evaporator
DLKA/DLKAT
Flat ceiling air coolers for demanding applications
Selected references in the process cooling
Deep-freeze warehouse - HVAT - Medical technology
Medical products are delicate goods which need to be stored at a stable temperature. For this low-temperature storage room at a biotech company with a temperature of -35 °C, efficient defrosting was required too. The HVST/HVAT evaporator from Roller was designed with an aligned tube system, optimum heating rod placement, a large fin spacing and a defrost damper for optimum defrosting.
| Application | Deep-freeze warehouse |
|---|---|
| Address | Germany |
| Fluid | R404A |
| Product | HVST / HVAT |
Fish processing - HVAT - Lauenroth Fischfeinkost
When processing and storing fish products, the salt content and vinegar-based marinades place particularly high demands on the evaporators in terms of corrosion protection, hygiene and defrosting. For direct processing, appliances with stainless steel housings and corrosion-protected heat exchangers are therefore used. For the deep-freezing of the packaged goods in this fish delicatessen, special attention was paid to efficient operation and a stable high air flow rate for even temperature distribution.
| Application | Fish processing |
|---|---|
| Address | Germany |
| Fluid | HFC |
| Product | HVST / HVAT |

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