Dawsongroup chooses Chemours XL40 for portable cold rooms


27 June 2018
Chemours' Opteon XL40 (R454A) low GWP refrigerant has been chosen by Dawsongroup for its range of cold storage solutions for the European market. 

The decision follows a successful implementation at Park Cakes, a leading supplier of premium private label cakes and desserts in its new logistics and storage facility in Oldham, UK. 
Since installation in September 2017, the system has been performing reliably and Dawsongroup now intends to expand the use of Opteon XL40. The selection is the result of close collaboration between Chemours and Dawsongroup Temperature Control Solutions, a UK-based supplier of cold storage solutions for temperature-critical products and service contractor of Park Cakes.

Park Cakes was looking for a low GWP refrigerant to replace R404A for its new 1,805 m3 low temperature cold store that met both sustainability goals and operational needs. Dawsongroup conducted tests with XL40 at the site in Sutton-in-Ashfield and recommended the new refrigerant from Chemours over CO2, hydrocarbons or ammonia.

Sustainable solution
Kevin Smith, Technical Manager at Dawsongroup, said: “Selection of the correct refrigerant for the specific application and meeting the needs of the end user was critically important. Alternative refrigerants such as CO2, hydrocarbons or ammonia have proven unsuitable for this project because of equipment unavailability and complexity, high flammability or toxicity risks. This led to the ultimate choice of Opteon XL40 with properties close to that of R404A, allowing the existing equipment design to be used. The mild flammability of this refrigerant can be handled by regular service engineers after simple training, and its very low GWP secures its long-term viability.”

XL40's GWP of 239 is 94% lower than that of R404A, making it a sustainable solution with respect to the F-Gas phasedown. Chemours saysit provides an optimal balance of properties and is perfectly suited to positive displacement, direct expansion low and medium temperature commercial and industrial applications.

It adds that XL40 offers improved energy efficiency and higher cooling capacities which makes it easy and cost-effective to apply in new equipment without major modifications. Although classified as mildly flammable, XL40 can be safely used if applicable codes and standards are observed. 

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