移动空调系统用可回收R-134a (HFC-134a)和R-1234yf (HFO-1234yf)的纯度标准

[中文适用范围]： 本 SAE 标准适用于： 回收的 R-134a 制冷剂，用于维修机动车辆空调 (A/C) 系统，该系统设计用于 R-12，并已改装用于 R-134a；回收的 R-134a 制冷剂，用于维修设计用于 R-134a 的机动车辆空调 (AC) 系统；回收的 R-1234yf 制冷剂，用于维修设计用于 R-1234yf 的机动车辆空调 (A/C) 系统。本文件不涵盖密封冷藏货物系统。本 SAE 标准的目的是根据 SAE 2843 和 SAE J 2788 确定现场回收、再循环和再充装机器认证所需的最低制冷剂纯度。 [外文原描述]： This SAE Standard applies to:recycled R-134a refrigerant, used in servicing of motor vehicle air conditioning (A/C) systems that were designed for use with R-12 and have been retrofitted for use with R-134a;recycled R-134a refrigerant, used in servicing of motor vehicle air conditioning (A/C) systems that were designed for use with R-134a;recycled R-1234yf refrigerant, used in servicing of motor vehicle air conditioning (A/C) systems that were designed for use with R-1234yf.Hermetically sealed, refrigerated cargo systems are not covered by this document.Cross Reference: J1771,J2788_201301,J2788_202001,J2843_201301,J2843_201907,J2844,J2844_201301,J2845_201301,J2845_202111,J2912_201207,J2912_201311,J639_202011