Safety Standards for Motor Vehicle Refrigerant Vapor Compressions Systems.

This SAE Recommended Practice is restricted to mechanical vapor compression refrigerant systems that provide cooling for the occupant's compartment. This document provides guidelines for refrigerant containment and safety for a mobile air-conditioning (A/C) system. It is not intended to restrict the use of, or further development of, other types of refrigeration systems for passenger compartment cooling. Should other systems be found practical at some future time, this document may be amended or an additional recommended safety practice drawn up for other types of systems. This document only addresses CFC-12 (R-12) and HFC-134a (R-134a) refrigerants. To prevent mobile A/C system refrigerant contamination, all other alternate refrigerants considered for automotive use require unique service fittings.

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Current & Historical versions of this standard
Standard	Date published	?Status
J639_201112	2011-12-19	Revised
J639_201102	2011-02-04	Revised
J639_200506	2005-06-20	Revised
J639_199903	1999-03-01	Revised
J639_199404	1994-04-01	Revised
J639_199111	1991-11-01	Revised
J639_198701	1987-01-01	Revised
J639_198110	1981-10-01	Revised