Products: flue fire safety valve between the hood and flue site has a fire, the smoke back in the role. When the outdoor temperature is as high as 70 ° flue check valve behind the capacity of the melting of the chip will naturally separated from the outside of the fire can not enter their own homes, can not smell the fumes of other people's scent Road, fire safety flue only check valve installed to facilitate effective use of high security systems. www.tc-ks.com 

 Generation of flue check valve, also known as the hood, this product is the new country developed a patented product is the promotion of environmentally friendly products by China's Ministry of Construction, has been widely used in the modern, then housing construction, flue check valve to a new high- residential solve a major problem, it not only to prevent the fumes from the reflux can serve as a pipeline connecting role for high-rise exhaust ventilation system, this type of design for public flue high-rise and residential kitchen, bathroom and other parts use, both to ensure the smooth flow of the exhaust, and can effectively prevent the intrusion of fumes.