1、排煙天窗特點

◎ 重量輕、外形美觀、安裝方便、無振動、成本低、效果好，是一種經濟有效的通風方式。
◎ 運行無能耗、無噪聲、不占室內空間。
◎ 設備容量大，通風散熱快,排風效率與普通天窗和氣樓比較,流量系數(shù)可從0.6~0.65提高到0.8~0.85，使天窗和氣樓的排風效率提高30%。
◎ 骨架選用空腹方鋼管，可確保其剛度、強度、構造、制造和安裝符合風載荷、雪載荷和抗震的要求，設備安全、可靠、可連續(xù)運行。
◎ 擋雨板采用采光板制成，采光面積大，室內光線良好。
◎ 天窗內部結構布局合理，空氣流動暢通，無明顯的通風死角區(qū)域，流通面積大，容量高，具有可靠的防雨、防雪性能。

◎Light weight,beautiful appearance,convenient installation,no vibration,low cost,good effect,is a kind of economic and effective ventilation mode.
◎Operation without energy consumption,no noise,no occupation of indoor space.
◎The equipment capacity,ventilation,exhaust efficiency and ordinary skylights and clerestory, flow coefficient can be increased from 0.6~0.65 to 0.8~0.85,the skylights and clerestory exhaust efficiency is increased by 30%.
◎The fasting skeleton of square steel tube,can ensure the stiffness,strength,structure,manufacture and installation of wind load,snow load and meets the seismic requirements,equipment safety,reliable,continuous operation.
◎The rain shield plate is made of lighting plate,large lighting area,indoor light is good.
◎The inside of the roof structure reasonable layout,air flow,no ventilation dead area,circulation area, high capacity,has reliable rain,snow properties.

2、排煙天窗表示方法
WV-TC-a-b-c-d
WV：萬維公司代號
QL：通風天窗代號
a：天窗型號（1-3型）
b：天窗類型（A滑動式，B上開式，C側開式）
c：天窗寬度
d：天窗長度
如：1型上開式通風天窗，洞口寬度為2000mm，長度度為3000mm，則表示為WVTC-1B2030