This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules as well as packaging, marking and storage of globe valves for refrigeration device.
This standard is applicable to the globe valve for general pipeline for the refrigeration device with R12, R22, R502 and R717 refrigerant, whose nominal pressure (pN) is less than or equal to 3MPa, nominal diameter (DN) is 4~300mm, temperature is -50~160℃ (hereinafter referred to as "the globe valve"). The refrigeration globe valve for other purposes may refer to this standard for implementation.
