原文：
1、 安装前清洗管路设备，除去杂质，以免堵塞。 2、 蒸汽疏水阀应尽量安装在用汽设备的下方和易于排水的地方。 3、 蒸汽疏水阀应安装在易于检修的地方，并尽可能集中排列，以利于管理。 4、 各个蒸汽加热设备应单独安装蒸汽疏水阀。 5、 旁路管的安装不得低于蒸汽疏水阀。 6、 安装时，注意阀体上箭头方向与管路介质流动方向应一致。 7、 蒸汽疏水阀进口和出口管路的介质流动方向应有4％的向下坡度，而且管路的公称通经不小于蒸汽疏水阀的公称通经。 8、 一个蒸汽疏水阀的排水能力不能满足要求时，可并联安装几个蒸汽疏水阀。用在可能发生冻结的地方，必须采用防冻措施。

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译文：
1, before installation, pipe cleaning equipment to remove impurities, to avoid congestion. 2, steam traps should be installed on the use of equipment and easy-to-bottom drainage areas. 3, steam traps should be installed in easy-to-overhaul of place and as far as possible by arranging the benefit of management. 4, each steam heating equipment, steam traps should be installed separately. 5, the installation of bypass pipes shall not be less than the steam traps. 6, installation, pay attention to the direction of the arrow body and pipeline flow direction of medium should be the same. 7, steam traps pipeline imports and exports of medium flow direction should be down 4% slope, and the pipeline's nominal steam trap by not less than nominal by. 8, a steam trap of the drainage capacity can not meet the requirements, can be installed in parallel several steam traps. Used in places where freezing may occur, must be freezing.