川消|自动喷水灭火系统各组件的“压力数值”汇总

来源：http://www.cx-fire.com/ 日期：2026-03-18

　　以下为自动喷水灭火系统各组件的核心压力数值汇总，依据国家标准规范整理：

　　The following is a summary of the core pressure values of each component of the automatic sprinkler fire extinguishing system, organized according to national standards and specifications:

　　一、报警阀组额定工作压力

　　1、 Rated working pressure of alarm valve group

　　1.湿式报警阀

　　1. Wet alarm valve

　　●额定工作压力≥2.0MPa（进口压力测试范围：0.14/0.7/1.2/1.6MPa）

　　Rated working pressure ≥ 2.0MPa (inlet pressure test range: 0.14/0.7/1.2/1.6MPa)

　　●阀瓣组件开启时，进出口压力比值≤1.16（压差范围：0.02~0.17MPa）

　　When the valve disc component is opened, the ratio of inlet and outlet pressure is ≤ 1.16 (pressure difference range: 0.02~0.17MPa)

　　2.干式报警阀

　　2. Dry type alarm valve

　　●额定工作压力≥2.0MPa

　　Rated working pressure ≥ 2.0MPa

　　3.雨淋报警阀

　　3. Rainwater alarm valve

　　●额定工作压力≥2.0MPa4.预作用报警阀组

　　● Rated working pressure ≥ 2.0MPa 4. Pre action alarm valve group

　　●额定工作压力≥2.0MPa

　　Rated working pressure ≥ 2.0MPa

　　二、监测与控制组件压力

　　2、 Monitoring and controlling component pressure

　　1.水流指示器

　　1. Water flow indicator

　　●额定工作压力≥2.0MPa2.压力开关

　　● Rated working pressure ≥ 2.0MPa 2. Pressure switch

　　●额定工作压力≥2.0MPa

　　Rated working pressure ≥ 2.0MPa

　　●动作压力范围：

　　● Action pressure range:

　　●普通型：0.35~0.50MPa

　　● Ordinary type: 0.35~0.50MPa

　　●预作用装置型：0.03~0.05MPa3.水力警铃

　　● Pre action device type: 0.03~0.05MPa 3. Hydraulic alarm bell

　　●工作压力≥0.05MPa（连接管长度≤20m，3m处铃声强度≥70dB）

　　Working pressure ≥ 0.05MPa (connecting pipe length ≤ 20m, bell intensity ≥ 70dB at 3m)

　　三、管道与连接件压力

　　3、 Pressure of pipelines and connectors

　　1.配水管道

　　1. Water distribution pipeline

　　●工作压力上限：≤1.20MPa

　　Upper limit of working pressure: ≤ 1.20MPa

　　●轻/中危险级场所：配水管入口压力≤0.40MPa2.沟槽式管接件

　　● Light/medium hazard level locations: inlet pressure of water distribution pipe ≤ 0.40MPa 2. Groove type pipe fittings

　　●额定压力等级：2.0/2.5/6.0MPa

　　Rated pressure rating: 2.0/2.5/6.0 MPa

　　3.通用阀门

　　3. General purpose valves

　　●额定工作压力≥2.0MPa

　　Rated working pressure ≥ 2.0MPa

　　四、喷头工作压力

　　4、 Nozzle working pressure

　　喷头类型     最小工作压力

　　Minimum working pressure for nozzle type

　　最不利点标准喷头≥0.05MPa

　　The most unfavorable point is the standard nozzle with a pressure of ≥ 0.05MPa

　　货架内置喷头（K=80）≥0.20MPa

　　Shelf built-in nozzle (K=80) ≥ 0.20MPa

　　货架内置喷头（K=115）≥0.10MPa

　　Shelf built-in nozzle (K=115) ≥ 0.10MPa

　　水喷雾灭火喷头（灭火用途）≥0.35MPa

　　Water spray nozzle (fire extinguishing purpose) ≥ 0.35MPa

　　水喷雾喷头（防护冷却）≥0.15~0.20MPa（储罐场景）

　　Water spray nozzle (protective cooling) ≥ 0.15~0.20MPa (tank scenario)

　　五、系统功能压力阈值

　　5、 System functional pressure threshold

　　1.末端试水装置

　　1. End water testing device

　　●出水压力≥0.05MPa（湿式/预作用系统）

　　● Water outlet pressure ≥ 0.05MPa (wet/pre action system)

　　2.预作用系统气压监测

　　2. Pre action system pressure monitoring

　　●准工作状态气压：0.03~0.05MPa3.分区供水触发条件

　　● Quasi working state air pressure: 0.03~0.05MPa 3. Zoning water supply triggering conditions

　　●系统工作压力>2.40MPa

　　System working pressure>2.40MPa

　　●报警阀处压力>1.60MPa

　　The pressure at the alarm valve is greater than 1.60MPa

　　●喷头处压力>1.20MPa

　　The pressure at the nozzle is greater than 1.20MPa

　　六、管道强度试验压力

　　6、 Pipeline strength test pressure

　　设计压力（P）    试验压力要求

　　Design pressure (P) test pressure requirements

　　P≤1.0MPa     1.5P且≥1.4MPa

　　P ≤ 1.0MPa 1.5P and ≥ 1.4MPa

　　P>1.0MPa       P+0.4MPa

　　P>1.0MPa       P+0.4MPa

　　注：压力单位统一为兆帕（MPa），数据综合自现行国家标准（GB5135、GB50084等）。设计时需结合危险等级、组件类型及系统场景匹配参数。

　　Note: The pressure unit is uniformly in megapascals (MPa), and the data is comprehensive from the current national standards (GB5135, GB50084, etc.). When designing, it is necessary to match parameters based on the hazard level, component type, and system scenario.

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