BS 4667-4(1989) : 1989被替代
BREATHING APPARATUS - SPECIFICATION FOR OPEN-CIRCUIT ESCAPE BREATHING APPARATUS
出版：British Standards Institution
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基本信息
标准编号： BS 4667-4(1989) : 1989
发布时间：1989/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：20
标准简介
Defines requirement for the design, construction and performance of two types of open-circuit escape breathing apparatus using a compressed air. Covers definitions, material, construction, performance, use in conjunction with a compressed air line, instructions, marking, laboratory and practical performance tests, assessment of resistance to heat and flame, assessment of increased resistance to heat and flame, test for inward leakage of facepiece or hood, test for inward leakage of exhalation valve and low temperature test. Nine figures are included.
本标准替代的旧标准
替代本标准的新标准
