Today, I saw the name of the fire check valve on the drawing of a project. Who knows what this is? I haven't met before
When the range hood is disabled, the valve is automatically reset and closed, and the valve has high strength, easy deformation, good sealing performance, small resistance, large exhaust capacity and good performance of preventing the smoke from flowing backward. Side open fire check valve are made of metal material, after spraying and electroplating processing, beautiful appearance, spring is embedded by the mounting plate and the fastening screws do not need to install the exhaust pipe, the installation is simple and reliable, easy disassembly, easy cleaning, eliminate some problems difficult to check valves in the future maintenance of the inverse.
The valve of the product is opened, and the direction of opening and opening of the side open type fireproof check valve is consistent with the exhaust direction in the exhaust pipe of the smoke exhauster, and the exhaust is smooth.
Fire check valve, suitable for installation in the kitchen of the air inlet is connected with the common flue, smoke lampblack machine, lampblack and other indoor air discharge to the roof, can prevent the flue gas in the flue flow, and when the building fire, the fire spread to the common flue, the check valve will automatically shut down, stop to fire you spread the rescue of property and escape more time for you, protect your property and life safety. The fireproof device is sensitive and reliable, and is favorable for environmental protection and improving the fire safety level of the house.
