ISA S12.4-1970 标准详情
- 标准号:ISA S12.4-1970
- 中文标题:仪表吹扫减少危险区域分类
- 英文标题:instrument purging for reduction of hazardous area classification
- 标准类别:美国仪表协会标准ISA
- 发布日期:
Covers a technique for reducing the hazard classification by the continuous addition of air or an inert gas within a general purpose enclosure. Refers only to hazards created by gases or vapors and is concerned only with those system design criteria
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