This standard specifies the model and basic parameters, requirements, test methods, inspection rules and markings, packaging, transportation and storage of refrigerant stop valves (hereinafter referred to as "valve") for air conditioning and refrigeration equipment. This standard is applicable to valves using R22, R134a, R407c, and R410a as refrigerants. Valves using other media as refrigerants may be adopted as a reference.
JB/T 10648-2006 Referenced Document
GB/T 10567.2-1997 Wrought copper and copper alloys--Detection of residual stress--Ammonia test
GB/T 191-2000 Packaging-Pictorial marking for handling of goods
GB/T 6283-1986 Chemical products--Determination of water--Karl Fischer method (general method)