标准下载_第3页_国标风机

标准下载

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ISO 12759-2:2019 Fans — Efficiency classification for fans Part 2: Standard losses for drive components 2024-08-11
ISO 12759-3:2019 Fans — Efficiency classification for fans — Part 3: Fans without drives at maximum operating speed 2024-08-11
ISO 12759-4:2019 Fans — Efficiency classification for fans — Part 4: Driven fans at maximum operating speed 2024-08-11
ISO 12759-5:2021 Fans — Efficiency classification for fans — Part 5: Jet fans 2024-08-11
ISO 12759-6:2024 Fans — Efficiency classification for fans — Part 6: Calculation of the fan energy index 2024-08-11
ISO 13347-1:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 1: General overview 2024-08-11
ISO 13347-2:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 2: Reverberant room method 2024-08-11
ISO 13347-3:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 3: Enveloping surface methods 2024-08-11
ISO 13347-4:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 4: Sound intensity method 2024-08-11
ISO 13348:2007 Industrial fans — Tolerances, methods of conversion and technical data presentation 2024-08-11

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