BS 7346-2(1990) : 1990被替代
COMPONENTS FOR SMOKE AND HEAT CONTROL SYSTEMS - SPECIFICATION FOR POWERED SMOKE AND HEAT EXHAUST VENTILATORS
出版：British Standards Institution
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基本信息
标准编号： BS 7346-2(1990) : 1990
发布时间：1990/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Establishes the classification and methods of test for powered ventilators designed to remove heat and smoke from buildings in the event of fire. Concerned with the duration of ventilator performance at raised temperatures. Covers definitions, class of performance, scaling, construction, test conditions, apparatus, test procedure, performance criteria and test report and classification of test piece.
替代本标准的新标准
