DR20-4-L5X31.5Y立新先导式减压阀

DR20-4-L5X31.5Y立新先导式减压阀

　更换单向阀时应注意降温冷却阀体，防止阀体的内尼龙阀芯变形。

　　因为单向阀适用介质温度为：-30℃～+120℃。因此焊接时，阀芯部位温度应保持在120℃以下，现场维修时一定要用湿抹布包裹阀体后方可进行焊接操作！

　　以上就是关于单向阀工作原理的介绍，单向阀可以分为直角式跟直通式，一般对于安装位置没有特别的需求，不仅能水平安装，还可以安装在垂直的管路或者倾斜的管路。

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DR10-7-L5X/35YMDR20-4-L5X31.5Y立新先导式减压阀

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DR30-4-L5X/35YMDR20-4-L5X31.5Y立新先导式减压阀

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