The multipage smoke exhaust port sends out a fire alarm signal from the smoke detector when a fire occurs, and the control center connects the electric signal to the electromagnet on the valve to make the valve open quickly.
Technical indicators |
Manually open |
70 degree metal temperature sensor shut-off valve |
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Manual button, pull ring to close the valve |
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Output valve close signal |
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Manual reset |
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Six-speed air volume adjustment |
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Controls are mounted on the valve body |
The electrical signal DC24V±2.4V will open the valve.
Remote manual valve opening
Remote manual reset.
The valve closes when the temperature reaches 280°C
After the valve acts, it outputs an open signal, which can be interlocked with other equipment according to user requirements.
The multi-leaf smoke outlet is generally installed in the aisle or the smoke-proof front room. It is usually closed. When a fire occurs, the smoke detector sends out a fire alarm signal. The control center connects the electric signal to the solenoid on the valve to make the valve open quickly. Open the valve to exhaust the smoke.
Responsive and stable performance. When a fire occurs, the electric actuator inside will open the air vent to maintain positive pressure in the front chamber and prevent smoke.
Highly sensitive actuator,Induction is accurate,high sensitivity,Stable performance.
Hot dip galvanizing process.Adopt hot-dip galvanizing process, stable performance.Not easy to rust, suitable for all kinds of harsh environment.
Strong pressure resistance, can withstand large pressure, smooth surface without zinc tumor, convenient for continuous use.
Q:How does your factory do regarding quality control?
A:"Quality is priority. We always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2008 authentication.
Q: Do you provide samples? Is it free or extra?
A: Yes, we could offer you the sample machine. But it's not free. You need to pay for the sample and the cost of freight.
Q: What is the warranty time of your products?
A: The warranty time is 12months from the date of the commissioning. All quick-wear spare parts will be provided for free within the warranty period. After the warranty, we also can ensure that you can buy any necessary spare parts with favorable price within 5 years.