The paper introduces the application and installation of labyrinth sealing device in high - power mud pump without being sealed at suction mouth side.
介绍迷宫环封密装置在吸口侧无封水的大功率泥浆泵上的应用，以及迷宫环的设置与安装。
Installation seat type, type suction a top and condole type and so on many kinds of installation, adapt to different job site lighting needs.
安装方式座式、吸顶式和吊顶式等多种安装方式，适应不同工作现场的照明需要。
Pump installation height, length should guarantee the pump working shall not exceed the permitted on vacuum suction height.
泵的安装高度，长度应保证泵工作时不超过允许的吸上真空高度。
Before installation on the suction and discharge line to clean, remove rust and dirt, especially welding pipe welding slag must be thoroughly cleared, to avoid killed after entering the pump.
安装前对吸入、排出管路要清理干净，去掉铁锈等脏物，特别是焊接管路的焊渣必须彻底清除，以免进入泵后咬死。
Before installation on the suction and discharge line to clean, remove rust and dirt, especially welding pipe welding slag must be thoroughly cleared, to avoid killed after entering the pump.
安装前对吸入、排出管路要清理干净，去掉铁锈等脏物，特别是焊接管路的焊渣必须彻底清除，以免进入泵后咬死。
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