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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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標(biāo)準(zhǔn)編號： BS 7346-2(1990) : 1990
發(fā)布時(shí)間：1990/1/1 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：British Standards Institution
標(biāo)準(zhǔn)頁數(shù)：12
標(biāo)準(zhǔn)簡介
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.
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