Foshan Jianpin Air Conditioning Tech Co., Ltd
Slot Diffuser, Air Diffuser, Ceiling Diffuser manufacturer / supplier in China, offering Linear Slot Diffuser, Slot Diffuser, Ceiling Diffuser, Return Air Diffuser, Guangdong Swirl Diffuser, Wholesale Aluminium Grille Coating Powder Swirl Diffuser and so on.Smoke Extraction Damper with Air VentMaterial:
galvanized steel sheetsize:
(WxH) according to air duct sizelFeatures:
Usually is closed, when on fire, smoke sensors output electric signal (dc24v) through control center, and the electromagnet in the actuator acts, damper is automatically opened and outputs the open electric signal.
Direct current electromotor drives to reset after damper acting .
Damper can be opened manually opened.
Manual reset is needed after the damper acting .
When the temperature getting up to 280°C,the fuse will act and the damper is automatically closed.Main MarketsTotal Revenue(%)