With good sealing performance and as an important part in water-distribution and fire protection system, this type of valve has widely been used in city's water-supply system and sewerage.

它具有较高的密封性能，广泛用于城市给排水管路，是各种水分配系统和消防系统的重要部件。

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This installation is the largest Fine Water Mist fire protection system installed to date.

此安装是最大的细水雾消防系统安装日期。

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Items are now housed in a temperature and humidity-controlled strong-room protected by an inert gas fire protection system, which would douse the room in gas to kill flames instead of using water.

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