1、排烟天窗特点
◎ 重量轻、外形美观、安装方便、无振动、成本低、效果好，是一种经济有效的通风方式。
◎ 运行无能耗、无噪声、不占室内空间。
◎ 设备容量大，通风散热快,排风效率与普通天窗和气楼比较,流量系数可从0.6~0.65提高到0.8~0.85，使天窗和气楼的排风效率提高30%。
◎ 骨架选用空腹方钢管，可确保其刚度、强度、构造、制造和安装符合风载荷、雪载荷和抗震的要求，设备安全、可靠、可连续运行。
◎ 挡雨板采用采光板制成，采光面积大，室内光线良好。
◎ 天窗内部结构布局合理，空气流动畅通，无明显的通风死角区域，流通面积大，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、排烟天窗表示方法
WV-TC-a-b-c-d
WV：万维公司代号
QL：通风天窗代号
a：天窗型号（1-3型）
b：天窗类型（A滑动式，B上开式，C侧开式）
c：天窗宽度
d：天窗长度
如：1型上开式通风天窗，洞口宽度为2000mm，长度度为3000mm，则表示为WVTC-1B2030
