国产成人自拍av免费_在线日本欧美日韩国产_免费无码观看av在线播放_av不卡在线观看亚洲_黑人强伦姧人妻日韩HD_PE管材过十万吨_成人在线观看免费高清_精品中文字幕制服一区_亚洲性爱有码97_日本黄大片在线观看视频

產(chǎn)品詳情
—— Back to list

Wood fire doors.

Details ——

    Product features

    Wood heat insulation fire door is made of wood or wood products door frames, door leaf skeleton, door panels, door leaf fill non-toxic harmless to the human body in fire insulation, and fire prevention of hardware accessories can meet the requirements of insulating refractory integrity and stays, fireproof limit in meeting the requirements of the relevant provisions of technical indicators to meet the requirements of GB 12955-12955.

    Using range

    The wood insulation fire door is suitable for the opening of the firewalls in industrial and civil buildings, the entrance and exit of staircases, evacuation passageways, opening of pipes and so on. It also applies to the entrance door of high-rise buildings or buildings. The appearance is beautiful, fireproof, safe, practical, with the building to speak (visual) system, it is more like the wind, the performance conforms to the GB-12955-2008 requirements.

    Type and performance metrics.

    1) according to the requirements, the area of fire door glass should not exceed 15% of the total door area;

    2) wooden fire doors should be equipped with door closets, fireproof locks, fire-proof hinges and other hardware items, and the double doors should also be added with a sequence, and the fire doors for evacuation routes should always be open and should not be locked.


19.jpg

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