JG 2-2007 in English

本标准自实施之日起代替JG/T 2-1999。
本标准规定了薄钢板加工成型的钢制板型散热器的术语和定义、型号与标记、要求、试验方法、检验规则、标志、包装、运输与贮存。
本标准适用于工业、民用建筑中以热水为热媒的散热器。其热媒温度不高于120摄氏度，热水pH值应在10~12，氯离子含量不应大雨300mg/L、溶解氧不应大于0.1，其他水质指标应符合GB1576的规定。

Scope

This standard specifies the terms and definitions, models and markings, requirements, test methods, inspection rules, markings, packaging, transportation and storage of steel plate radiators (hereinafter referred to as radiators) processed and formed from thin steel plates. This standard applies to radiators using hot water as the heating medium in industrial and civil buildings. The temperature of the heating medium should not be higher than 120°C, the pH value of hot water should be between 10 and 12, the chloride ion content should not be greater than 300mg/L, the dissolved oxygen should not be greater than 0.lmg/L, and other water quality indicators should comply with the regulations of GB 1576 .