CONSTITUTION:This opening/closing window 3 is composed of an L-shaped frame body 4 fixed along the marginal part of the fire door 1 facing an aperture 1 and an opening/closing plate 6 which is mounted at a turning shaft 5 disposed on the frame body 4 freely turnably in either of the ...
Fire-rated doors that normally open and close electronically or pneumatically are power-operated fire doors.NFPA 80 requires these doors to automatically disconnect from the power operator in the event of a fire. This allows the door to become a self-closing fire door when warranted. Accordingly,...
self closing door 自关风门 self closing 自动关闭 相似单词 self closing 自闭合,自动关闭 closing a. 结束的,闭合的 door n.[C] 1. 门,门户 2. 途径(这里指的是BBS站的扩充功能或扩充程序, 如较常见的有DOORWAY等程序.) fire n. 1. 火 2. 炉火 3. 电炉;煤气取暖器 4. 火灾 5. 燃料;柴...
网络自动关闭防火门 网络释义 1. 自动关闭防火门 建筑词汇英语翻译... ... self closing device 自动关闭装置self closing fire door自动关闭防火门self compensation 自动补偿 ... www.zftrans.com|基于26个网页
fire door fonghuo『1,en防火门(fi re door)为了防止火灾及其火烟的蔓延和传播,井口必须设置防火井盖,平酮口必须设置铁门;在各阶段的进风巷道中距井筒50m以内的地点都必须设置由不燃性材料构筑的双重防火门,两道门的间距为5一10m;各个分区通风的采区的进风和回风道上以及机电铜室也应有防火门。 (宋学义) 说明...
A fire door system is disclosed wherein the fire door is up closing in that it includes an up closing partition. Further, the fire door is fail- safe in that in the absence of continuous controls indicating that the fire door should remain open, counterweights to the partition urge the pa...
fire door fonghuo『1,en防火门(fi re door)为了防止火灾及其火烟的蔓延和传播,井口必须设置防火井盖,平酮口必须设置铁门;在各阶段的进风巷道中距井筒50m以内的地点都必须设置由不燃性材料构筑的双重防火门,两道门的间距为5一10m;各个分区通风的采区的进风和回风道上以及机电铜室也应有防火门。 (宋学义) 说明...
What do I do when I see improperly-set fire door hinges during a new construction inspection? I observe and report! And inform my client. If your door does not have self-closing hinges, they can be purchased and installed. Clickhereorhere. The first link is for 4" hinges, and the sec...
PURPOSE: An automatic closing device for a fire door is provided to automatically close a fire door when a fire and to easily open the fire door at normal times. CONSTITUTION: An automatic closing device for a fire door comprises an upper body(20), a lower body(30), an actuator(40), ...
Student representative Jiang Hanfei shared her competition experience around the themes of exploration and joy. Her speech in English throughout the event demonstrated the charm of English language learning. Yang Shenyu encouraged ...