NFPA 13 自动喷水灭火系统安装标准
日期:2012-02-08 14:39
-of-influence tables for Schedule 5 steel pipe, CPVC, and Type M copper tube.
Other major technical revisions and usability changes
New method to calculate rack shelf area takes the placement of loads into consideration.
Information about large drop sprinklers and specific application control mode sprinklers is combined as Control Mode Specific Application (CMSA).
Added criteria for the use of smoke vents recognize their limited use and effect on sprinkler operation.
Put the latest resea
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11/01 17:40