Heat Exchanger World September 2022 | Page 77

Product News
New BOGE refrigerant dryers for sustainable , reliable operations
Robustness , eco-friendliness , and efficiency are the three main characteristics of the new DT series of refrigerant dryers from BOGE . The combination of innovative technology and intelligent control ensures a stable pressure dew point , even in changing environmental conditions . Thanks to the use of the future-proof refrigerant R 513 A as standard across the whole series , these refrigerant dryers are especially sustainable and have a low CO2 footprint . Additional advantages are energy-saving , reliable operation
, and numerous different monitoring capabilities . No compressor without a refrigerant dryer – dry compressed air is required for almost any situation . In addition to the existing DS-2 series , BOGE has now launched a new range of products . All the models in the new DT series ensure a constant dew point of 3 ° C at a free air delivery of between 0.4 and 14 m 3 / min . With this strategy , the expert in compressed air systems ensures maximum delivery capability for its customers . Just like with the DS-2 series , the DT series
refrigerant dryers all come with an “ all-in-one ” aluminium heat exchanger
operated in a reverse flow process and containing a proven air / air heat exchanger , evaporator , and condensate drain . Both models use the environmentally friendly and future-proof R 513 A refrigerant , with its low global warming potential , as standard , making all the models compliant with Regulation EU 517 / 2014 on fluorinated greenhouse gases . The refrigerant circuit is hermetically sealed , rendering a leakage test by a certified refrigeration engineer unnecessary .
Calculator CALEC ® ST III for thermal energy now available for Glycol
Glycol-based is a heat transfer medium often used in cooling and heating HVAC systems , solar energy systems , and heat pumps . The food industry especially benefits from it in its industrial refrigeration equipment , such as in dairies , icecream , and fish processing factories , breweries , and cold stores .
The heat transfer capability of glycol is an optimal solution for thermal energy as it enables a low freezing point when mixed with water . The medium also ensures protection from corrosion with a reduced viscosity and takes advantage of the excellent heat transfer properties of water over a broad range of temperatures , allowing increased heat capacity and thermal conductivity .
With this new feature , CALEC ® ST III can perform accurately polynomial readings for the physical characteristics of heat transfer liquids with respect to concentration and temperature . Metering is then perfectly accurate even with complex specificities , energy , and volume being fully and properly calculated .

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