Rubber and plastics hoses and hose assemblies for automotive air conditioning. Specification - Refrigerant 134a
Rubber and plastics hoses and hose assemblies for automotive air conditioning. Specification - Refrigerant 134a
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1 Scope This part of ISO 8066 specifies the requirements for rubber or thermoplastic hoses and hose assemblies used for circulating liquid and gaseous R134a (tetrafluoroethane) in the air-conditioning systems of automobiles. The hoses and hose assemblies are designed in such a way as to restrict losses of refrigerant and contamination of the system. The operational temperature range is − 40 °C to + 125 °C. Due to the critical relationship between the hose and coupling for this application, a requirement that the coupling to be used in service be used for testing is laid down.
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