室外消火栓安装需要遵守哪些要求？
来源：http://www.cx-fire.com/ 日期：2022-02-23
室外地上式消火栓安装时，消火栓顶距地面高为0.64m，立管应垂直、稳固、控制阀门井距消火栓不应超过2.5m，消火栓弯管底部应设支墩或支座。室外地下式消火栓应安装在消火栓井内，消火栓井一般用MU7.5红砖、M7.5水泥砂浆砌筑。消火栓井内径不应小于1m。井内应设爬梯以方便阀门的维修。消火栓与主管连接的三通或弯头下部位应带底座，坻座时应设混凝土支墩，支墩与三通，弯头底部用M7.5水泥砂浆抹成八字托座。扩展资料室外消火栓给水管道的布置应符合下列要求：
When installing outdoor aboveground fire hydrant, the height from the top of the fire hydrant to the ground is 0.64M, the riser shall be vertical and stable, the distance between the control valve well and the fire hydrant shall not exceed 2.5m, and buttress or support shall be set at the bottom of the fire hydrant elbow. The outdoor underground fire hydrant shall be installed in the fire hydrant well, which is generally MU7 5 red brick, M7 5. Cement mortar masonry. The inner diameter of fire hydrant well shall not be less than 1m. A ladder shall be set in the well to facilitate the maintenance of the valve. The lower part of the tee or elbow connecting the fire hydrant and the main pipe shall be equipped with a base. When the base is installed, a concrete buttress shall be set. The buttress and tee shall be connected, and the bottom of the elbow shall be M7 5 cement mortar shall be plastered into a splayed bracket. The layout of outdoor fire hydrant water supply pipeline shall meet the following requirements:
1.室外消火栓给水管道应根据室外消火栓设计用水量和管道的经济流速经计算比较确定其管径；
1. The diameter of the outdoor fire hydrant water supply pipeline shall be determined through calculation and comparison according to the design water consumption of the outdoor fire hydrant and the economic flow rate of the pipeline;
2．室外消防给水管网应布置成环状管网，但在建设初期或室外消防用水量不超过20L/s时，可布置成枝状管网；
2. The outdoor fire water supply pipe network shall be arranged as a ring pipe network, but it can be arranged as a branch pipe network at the initial stage of construction or when the outdoor fire water consumption does not exceed 20L / S;
3.消防给水管网应用阀门分成若干独立段，每段内消火栓的数量不宜超过5个；
3. The fire water supply network shall be divided into several independent sections with valves, and the number of fire hydrants in each section shall not exceed 5;
4.室外消火栓给水管道应根据系统的供水量确定，且不应小于DN100。参考资料：百度百科-室外消火栓。
4. The water supply pipeline of outdoor fire hydrant shall be determined according to the water supply of the system, and shall not be less than DN100. Reference: Baidu Encyclopedia - outdoor fire hydrant.
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