国产精品无码一区二区在线不卡_真人毛片免费全部播放完整_888亚洲国产精品VA在线观看_欧美丝袜性爱视频_免费大学生国产在线观看p_国产十八禁真成了_美女裸体黄网天堂一级视频站_全球最大的丰满少妇高潮惨叫久久久一_免费观看欧美一级aa大片_最近中文字幕视频在线mv

產(chǎn)品詳情
—— Back to list

Steel insulation door

Details ——

 Product features

    The fire proof door is designed and produced according to the following standard.

    Gbj87-85 design code for noise control of industrial enterprises

    Gbj118-88 civil building insulation design specification

    GB8485-2008 "performance classification and detection methods for air acoustic insulation of building doors and Windows"

    Gbj75-84 building insulation measurement specification

    04j610-1 special doors and Windows

    Fireproof soundproof door USES steel material to make door frame, door fan frame and door fan panel, door fan is filled with fireproof soundproof fill material, achieve corresponding function requirement.

 Using range

    Suitable for industrial buildings with a high noise and ancillary buildings (ventilation room, cooling room, air conditioning equipment room, diesel generator room and printing workshop, etc.), as well as to the acoustic environment requires higher room (hall, conference room, hall, studio, theater room, gymnasium, hospital, etc.).

    Type and performance metrics.

    1. The door cavity should be filled with fire proof material.

    2. Specific hardware should be allocated (due to fire protection permit).

    3. Doors and door frames shall be specially sealed.

    4. The door frame or sealing parts should be added under the soundproof door.

 

1.jpg


all rights reserved ?2015Shanghai Forest Special Steel Door Co., Ltd.
滬ICP備11048493號