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Hydrostatic pressure testing of the inlet valves (with open and closed disc) under a pressure of 1, 5 times the maximum static pressure plus water hammer for 30 minutes.
持续30分钟1.5倍的最大静压与水锤压力下，对入口阀(带打开和关闭盘)的静水压试验。
The installation method is convenient, just put pipe cutting open, sets of sewing disc in the line can.
其安装方法方便，只需将管上的剖缝瓣开，套在管道上即可。
Before reassembling cover to gear operator, make sure disc is approximately 30 degrees away from full open position.
在把盖子重新安装在齿轮执行机构上之前，确认阀瓣位于全开位置处30度的地方。
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