本PDF包括GI#2.1。范围1。1本标准适用于拟安装在烟道管、烟道或烟囱中的机械排烟机，以及燃烧天然气、丙烷或燃油的服务设备。1.2本标准涵盖了室内或室外安装的机械排烟机的机械和电气特性。1.3本标准将机械排烟机分为1、2或3类，适用于300°C的最高工作温度？C（575华氏度），550华氏度？C（1000华氏度），还是850华氏度？C（1600华氏度）。1.4本标准不适用于电机额定功率超过375 W（1/2 hp）的机械排烟机。1.5本标准不适用于机械排烟机- 与焚烧炉、焚烧厕所或冷凝式或固体燃料燃烧设备一起使用的排气机。1.6本标准也适用于空气循环器和助推器等设备。1.7本标准中的计量单位符合国际单位制（SI）。如果本标准中给出的测量值后跟其他单位的等效值，则应将第一个规定值视为要求。给定的等效值可能是近似值。

This PDF includes GI #2.1. Scope1.1This Standard applies to mechanical flue-gas exhausters intended to be installed in a flue pipe, breeching, or chimney and serving appliances burning natural gas, propane, or fuel oil.1.2This Standard covers the mechanical and electrical features of mechanical flue-gas exhausters for indoor or outdoor installations.1.3This Standard classifies mechanical flue-gas exhausters as Type 1, 2, or 3 suitable for maximum operating temperatures of 300?C (575?F), 550?C (1000?F), or 850?C (1600?F), respectively.1.4This Standard is not intended to cover mechanical flue-gas exhausters with motor ratings exceeding 375 W (1/2 hp).1.5This Standard is not intended to cover mechanical flue-gas exhausters for use with incinerators, incinerating toilets, or condensing type or solid fuel burning appliances.1.6This Standard may also be applied to such equipment as air circulators and boosters.1.7Metric units of measurement in this Standard are in accordance with the International System of Units (SI). If a value for measurement as given in this Standard is followed by an equivalent value in other units, the first stated is to be regarded as the requirement. A given equivalent value may be approximate.