Rubber and plastics hoses and hose assemblies for automotive air conditioning. Specification. Refrigerant 1234yf
43.040.60 - Bodies and body components
83.140.40 - Hoses
This document specifies the requirements for rubber or
thermoplastic hoses and hose assemblies used for circulating liquid
and gaseous R1234yf (tetrafluoropropene) 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 has been laid down.
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