The fire damper is installed on the supply and return air pipelines of the ventilation and air conditioning systems. It is usually open. When the gas temperature in the pipeline reaches 70 degrees (280 degrees) in the event of a fire, the fusible sheet is blown, and the valve is automatically under the action of the torsion spring. Closed, the valve can meet the requirements of fire resistance stability and fire integrity within a certain period of time, and play the role of smoke and fire resistance. When the valve is closed, a close signal is output.
The smoke exhaust and fire damper is installed on the pipeline of the smoke exhaust system. It is usually closed. It is opened manually or electrically in the event of a fire to exhaust smoke. Fire-resistance stability and fire-resistance integrity requirements, a valve that acts as a smoke exhaust.
70 degree metal temperature sensor shut-off valve
Manual button, pull ring to close the valve
Output valve close signal
Six-speed air volume adjustment
Controls are mounted on the valve body
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Q:Are you a factory or trading company?
A: We are a factorywith CE and ISO approved manufacturer and supplier.
Q:Where is your factory located? How can I visit there?
A:Our factory is located inNanyang City,Henan Province, China.You can fly toZhengzhou airport directly, and we will be there for picking you up. All our clients from home or abroad, are warmly welcome you to visit us!
Q: What is your terms of payment?
A: We accept T/T, Western Union, L/C.