Product Code:SAE J51 Title:Refrigerant 12 Automotive Air-Conditioning Hose Issuing Committee:Non-Hydraulic Hose Committee Scope:This SAE Standard covers reinforced hose, or hose assemblies, intended for conducting liquid and gaseous dichlorodifluoromethane (refrigerant 12) in automotive air-conditioning systems. The hose shall be designed to minimize permeation of refrigerant 12 and contamination of the system and to be serviceable over a temperature range of -30 to 120 掳C (-22 to 248 掳F). Specific construction details are to be agreed upon between user and supplier.NOTE聴 SAE J2064 is the Standard for refrigerant 134a hose. For refrigerant 134a use, refer to SAE J2064