欧美亚洲国产日韩久久_日韩毛片基地秋霞网乱理_国产玖玖视频在线观看在线视频_97超爽免费公开视频在线_欧美 日产 国产在线_辉煌优配APP平台_韩国成人精品第一页_FREE性欧美HD另类精品_日韩人妻有码精品专区_亚洲欧美日韩一区二区视频

產(chǎn)品詳情
—— Back to list

Steel vertical fire - proof smoke screen.

Details ——

    Product features

    Steel vertical fire smoke shutter (normal) is made from steel material shade plate, guide rail, plate, bar, housing, etc., and fire-proof roll machine and fire control box can satisfy the requirement of fire resistance and thermal radiation intensity of the shutter. "Code for fire protection design of tall buildings" (GB 50045-95), as a fire partition separating, shutter independent closed sprinkler system shall be set up on both sides of the protection, the system water spray duration should not be less than 3.00 h, spraying intensity acuity 0.20 m3 / h.m. 2. There are three kinds of operation methods: electric, manual and automatic. The control box is equipped with smoke and temperature control system, which can be controlled independently by the fire control center, and has automatic control functions such as hoisting curtain and two steps.

    Using range

    It is suitable for the fire protection zoning of industrial and civil building to control the spread of fire.

    Type and performance metrics.

    (1) the opening and closing transmission device of the fire shutter can be installed on the left, right or left side of the room according to the installation conditions and requirements.

    (2) the position of the transmission mechanism should be considered when using the fire shutter, so as to avoid touching the building components.

    (3) the installation of fire shutter and the wall, can be connected by bolts or welding, embedded parts of old buildings can be used on concrete walls or concrete column expansion bolt connection, and should ensure the installation intensity, meet the design requirements.

    (4) power supply and signal line shall be provided by electrical installation to a range of 1000mm from the electric control box.



未標題-2.jpg


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