A filter is a device widely used in industrial pipeline systems and civilian equipment. Its main function is to intercept solid impurities, suspended solids, or particulate matter in the medium, ensuring the cleanliness of downstream media. Whether used to protect precision equipment or improve product quality, filters play an irreplaceable role. The following are the main advantages of filters.

止回阀是一种依靠介质自身流动实现自动开启和关闭的阀门，主要作用是防止管道内的介质倒流，保护水泵、压缩机等设备免受损坏。如果安装不当，止回阀不仅无法起到应有的作用，还可能引发管道振动、水锤冲击甚至设备故障。以下是安装止回阀需要重点注意的几个方面。