Laws and Regulations
11. January 2018

Hermetically closed device

Definition of terms for hermetically sealed equipment with fluorinated refrigerants

Definition of terms for "hermetically sealed equipment" with fluorinated refrigerants in accordance with EU Regulation No.517 / 2014 of the European Parliament and of the Council 


A "hermetically sealed device" is a refrigeration system in which all components containing fluorinated refrigerants are sealed by welding, brazing or a similar permanent connection and which may also contain secured valves or secure access points for maintenance, for proper repair or disposal serve. The components may only have a tested leakage rate of less than 3 grams per year under a pressure of at least one fourth of the maximum permissible pressure.



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