Q235-A HVAC Fire Dampers 70 Degree Motorized Modulating Dampers
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Fire hydrant Manual HVAC fire damper , installed in the ventilation or air-conditioning systems, usually it is open, once fire occurs, the gas temperature of duct arrives at high degrees, and then the fuse protector will be fused and the damper will close......
Henan Shuangxin Fire Environmental Protection Equipment Manufacturing Co., Ltd.
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Galvanized Steel Manual Air Backdraft Valve For Ductwork System
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...tems. 2. The open degree of blades is controlled by manual actuator or electric motor. 3. The material could be sprayed galvanized sheet or aluminum alloy or stainless steel. 4. It is applied to air conditioning and air purification systems Specifications:...
SHIJIAZHUANG WOODOO TRADE CO.,LTD
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