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消防减压阀安装说明

浏览：34次 | 提问时间： 08-04 11:26
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6个答案
Smle定格 08-04 11:27

对压力进行调节。安装好后，但要注意进出水方向就当做一般的阀门来安装即可

怪自己没勇气 08-04 11:36

这个必须要看一下图纸才可

异地人 08-04 11:44

工程消防供水起点，或第一个消防栓前面。

我很极端 08-04 11:52

消防工程报*阀前端进水管的减压按照规定的是应优先采用比例是减压阀，如果一道减压不满足的可以设置两道，这个根据下面规定的第六款6.2.4 采用减压阀减压分区供水时应符合下列规定：1 消防给水所采用的减压阀性能应安全可靠，并应满足消防给水的要求；2 减压阀应根据消防给水设计流量和压力选择，且设计流量应在减压阀流量压力特性曲线的有效段内，并校核在 150%设计流量时，减压阀的出口动压不应小于设计值的 70%；3 每一供水分区应设不少于两个减压阀组；4 减压阀仅应设置在单向流动的供水管上，不应设置在有双向流动的输水干管上；5 减压阀宜采用比例式减压阀，当超过 1.20MPa 时宜采用先导式减压阀；6 减压阀的阀前阀后压力比值不宜大于 3:1，当一级减压阀减压不能满足要求时，可采用减压阀串联减压，但串联减压不应大于两级，第二级减压阀宜采用先导式减压阀，阀前后压力差不宜超过0.40MPa；7 减压阀后应设置安全阀，安全阀的开启压力应能满足系统安全，且不应影响系统的供水安全性。

勿念 08-04 12:00

一般减压阀阀体上有个箭头，箭头方向就是水流动方向，阀芯是关*的装反了就是截止阀了，水根本过不去的，您必须箭头方向重新安装

Unque唯一o 08-04 12:09

7 减压阀后应设置安全阀：1 消防给水所采用的减压阀性能应安全可靠:1，安全阀的开启压力应能满足系统安全，当一级减压阀减压不能满足要求时，这个根据下面规定的第六款6，阀前后压力差不宜超过0，不应设置在有双向流动的输水干管上.20MPa 时宜采用先导式减压阀；5 减压阀宜采用比例式减压阀；2 减压阀应根据消防给水设计流量和压力选择，且设计流量应在减压阀流量压力特性曲线的有效段内，当超过 1；4 减压阀仅应设置在单向流动的供水管上，第二级减压阀宜采用先导式减压阀，并应满足消防给水的要求，减压阀的出口动压不应小于设计值的 70%，但串联减压不应大于两级.4 采用减压阀减压分区供水时应符合下列规定；6 减压阀的阀前阀后压力比值不宜大于 3，如果一道减压不满足的可以设置两道，可采用减压阀串联减压，且不应影响系统的供水安全性；3 每一供水分区应设不少于两个减压阀组.2.40MPa，并校核在 150%设计流量时这个报*阀前端进水管的减压按照规定的是应优先采用比例是减压阀

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