This document specifies the terms and definitions, types, models and basic parameters, basic requirements, technical requirements, test methods, inspection rules, markings, packaging, transportation and storage of solenoid valves for commercial refrigeration equipment (hereinafter referred to as "solenoid valves"), Quality commitments, etc. This document is applicable to solenoid valves with nominal diameters of 6 mm to 80 mm for liquid pipes and high and low pressure steam pipelines using R22, R134a, R410A, R404A, R407C, R507, R507A, other refrigerants and similar purposes. The solenoid valve can be used as a reference.
T/ZZB 2947-2022 history
2022T/ZZB 2947-2022 Solenoid valve for commercial refrigerantion equipment