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1·Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the discharge line.

不能小于安全阀的管道口径，也不能在排泄管上安装任何缩径管接头。

2·Pipe the discharge line in accordance with local code requirements.

排放管线要符合当地规程的要求。

3·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。

4·This trap is suitable for low temperature accompanying heat line pipe and working condition which needs low temperature to discharge frozen water.

本公司经营疏水阀，质量保证，谈欢迎咨询洽。该阀适用于低温伴热管线和需要低温排除凝结水的工况。

5·This pipe is connected to the suction line and that one over there to the discharge line.

这根管子与上水管连通，那根管子与排水管连通。