Fire damper

　　　　　　

Applicable
　　Fire control valve used in fire safety requirements have air-conditioning ventilation systems, as the disaster occurred, the temperature in the fuse fusible Central 70 degrees when the fuse. Valve closed, smoke extraction system for the fire damper in the fuse when it moves 280 degrees. Valve closed, smoke extraction system for the fire damper in the fuse when it moves 280 degrees. Valve closed, cutting off the fire and smoke spread along the duct channel, the valve leaves can be 0-90 degrees within the framework of regulation.

Function
　　(1) temperature of 70 degrees when the fuse moves to close the valve.
　　(2) to open or manually reset.
　　(3) manually change leaves open the point of view.
　　(4), according to system requirements, moves to increase its telecommunications equipment and fire systems or other interlocking system.
PFSD (W) 24/0.7-280 flue damper
Applicable
　　Smoke extraction system used in the pipe or smoke in the air at the entrance to smoke when the fire broke out, the device to operate in the DC24V power or manually under the valve to open, smoke, smoke when the air temperature as high as 280 degrees , The temperature fuse action will be self-closing valves, cut off air flow.

Function
　　(1) Smoke components issued by the fire control center DC24V power output, so that the valve open.
　　(2) to open the valve so that the manual.
　　(3) manually reset.
　　(4) temperature of 280 degrees when the fuse action to re-close the valve.
　　(5) valve action, the output of telecommunications, and fire interlock system.
FSD-(J) 24/0.7-70 smoke fire damper
Applicable
Require the use of fire smoke in the air-conditioning systems, ventilation air duct, when the fire broke out, the operating temperature in the fuse device, the control center DC24V power or manually under moves to close the valve quickly, to cut off the fire and smoke spread along the duct Channel.
Function
　　(1) air 70 degrees, the temperature fuse action to close the valve.
　(4) manually reset.
　　(5) fire damper can be opened manually change blades, in the 0-90 degrees inside the sub-file-conditioning.
　　(6) when the output valve action, telecommunications, and other interlocking systems.