|Place of Origin:||Guangdong, China (Mainland)|
|Minimum Order Quantity:||20 sets|
|Packaging Details:||plywood case|
|Delivery Time:||about 15 days upon receipt of deposit|
|Supply Ability:||200 sets per month|
|Material:||Galvanized For Base||Type:||Round Air Volume Damper|
|Size:||Customar's Cize||Application:||Correct Air Flow Distribution|
Galvanized Sheet FHW - 0 Gravity - Operated Volume Fire Air Damper
•Main Components include Valve body, blade, axle, axle bushing, actuator.
• Valve body and blade are made from fine galvanized sheet with excellent surface, perfect non-corrosibility and long time product usage.
• The damper is Installed on air hose of the air ventilation system air hose to regulate
the airflow and control velocity.
•There is no need refueling to guarantee permanent lubrication that both blade and connecting axle of rotation adopt to metallurgy axle sheet with oiled copper powder.
•The damper is designed with V-shape anti-skip structure between the blade and axle to ensure the blades not slip and tight on high speed situation.
•It is usually open, and the fusing temperature of the fusible film is 70℃.
•The valve can be open and closed manually, and reset manually after acting.)
•Can output valve closed signal.