SBJ 12-2011 in English

本规范适用于以氨为工作介质，设计压力不大于2MPa，工作温度高于-50℃氨制冷系统安装工程的施工及验收。包括以氨为制冷剂，以及以氨为制冷剂，以氯化钙（钠）水溶液、乙二醇水溶液等为载冷剂的各类冷库及其他制冷装置中氨制冷系统的安装工程。

Scope

This specification is applicable to the construction and acceptance of ammonia refrigeration system installation projects using ammonia as the working medium, the design pressure is not greater than 2MPa, and the working temperature is higher than -50°C. Including the installation projects of ammonia refrigeration systems in various cold storages and other refrigeration devices that use ammonia as the refrigerant and calcium chloride (sodium) aqueous solution, ethylene glycol aqueous solution, etc. as the secondary refrigerant.