Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the dischargeline.
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 dischargeline 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 dischargeline to clean, remove rust and dirt, especially welding pipe welding slag must be thoroughly cleared, to avoid killed after entering the pump.