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See Chinese contents: JB/T 4119-2013 JB/T 4119-2013: Solenoid valve for refrigeration equipment
This Standard specifies terms and definitions, types, models and basic parameters, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of solenoid valve for refrigeration equipment. This Standard applies to solenoid valve, of which the nominal diameter is not greater than 40 mm, and of which the pipes, high-and-low pressure steam pipes use R22, R134a, R404A, R407C and R410A as the refrigerants. Solenoid valves of using other refrigerants may reference to this Standard for use.
