UL Quick Response Fire Sprinkler Head

它并非直接的火灾探测设备，而是用于实时监测消防水源（如消防水箱、水箱、水井等）水位状态的专用设备，其核心使命是确保消防供水系统在发生火灾时有充足的水量可供使用。

UL FM 火灾报警止回阀 是安装在消防喷淋系统上的关键监控设备。它并非单一的物体，而是一个具有特定用途和认证的系统组件。

UL FM消防喷头是指已获得美国保险商实验室（UL）和工厂互助研究会（FM）认证的消防喷头，其品质优良，安全性高，广泛应用于各类消防系统。

闸阀是专门为消防管路系统设计的闸阀，其核心功能是可靠地接通或截断水流。

Fire gate valves are indispensable control devices in fire water supply systems. Their main function is to fully open or fully close the water flow rather than regulate the flow rate.

It is a type of gate valve that is connected to the pipeline through a flange, and its valve stem only rotates during opening and closing without axial lifting.

Grooved Resilient Seated NRS Gate Valve is a cost-effective and space-saving shut-off valve designed for fast installation. Its combination of grooved ends and a non-rising stem makes it a practical choice for many commercial and industrial applications.

Grooved Resilient Seated OS&Y Gate Valve combines the installation efficiency of a grooved connection with the operational safety and reliability of an OS&Y design.