通常安装在减压阀，泄压阀、定水位阀或其它设备的进口端，用来消除介质中的杂质，以保护阀门及设备的正常使用。

Usually installed in the valve, pressure relief valves, water valves or other devices given the import side, the medium used to remove impurities, to protect the normal use of valves and equipment.

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通常安装在减压阀，泄压阀、定水位阀或其它设备的进口端，用来消除介质中的杂质，以保护阀门及设备的正常使用。

Usually installed in the valve, pressure relief valves, water valves or other devices given the import side, the medium used to remove impurities, to protect the normal use of valves and equipment.

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