(R-12)移动空调系统替代制冷剂的车辆试验要求

[中文适用范围]： 该文件已被宣布为“稳定”，并且将不再接受货币定期审查。用户负责验证参考资料和持续适用性或技术要求。新技术可能存在。本 SAE 推荐做法的目的是为移动 CFC-12 (R-12) 空调 (A/C) 系统的替代制冷剂选择制定具体标准。本文件提供了合格候选制冷剂的指南。这些要求包括实验室和现场测试。替代制冷剂应提供与本文定义的 CFC-12 (R-12) 相当的系统性能。车辆测试应在拟使用制冷剂的代表性车辆制造商的产品线上进行，例如循环离合器节流孔管、恒定运行节流孔管、循环离合器膨胀阀或连续运行膨胀阀制冷剂系统。仅当与 SAE J1657 的要求结合时，本文件才是完整的 [外文原描述]： The purpose of this SAE Recommended Practice is to establish the specific criteria for the selection of a replacement refrigerant for mobile CFC-12 (R-12) air-conditioning (A/C) systems. This document provides guidelines for qualifying candidate refrigerant. The requirements include laboratory and field testing. The alternate refrigerant shall provide comparable system performance as CFC-12 (R-12) as defined herein. The vehicle testing shall be conducted on representative vehicle manufacturer’s product line, in which the refrigerant is intended to be used, such as cycling clutch orifice tube, constant run orifice tube, cycling clutch expansion valve, or continuous run expansion valve refrigerant system.This document is complete only when combined with the requirements of SAE J1657.Cross Reference: J1657,J1658_201501,J2064_201508,J51_201504,J639_202011