NFPA 91 材料气压传输过程中的排气系统标准
日期:2012-02-09 14:22
inspection provide a more performance oriented approach.
New chapter on air-material separators based on provisions in NFPA 654
Modified testing and maintenance rules require that provisions be applicable retroactively. This is consistent with the other particulate solids documents, such as NFPA 654.
Revised requirements for duct clearances from combustible construction include more comprehensive criteria for various installations of duct systems.
The 2010 NFPA 91 is essential for process ind
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09/11 04:23