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The marine manual fire dampers are used in marine or buildings to regualte the flow of air in an HVAC system, They can be used in intake,exhaust, or mixed air applications.
Features:
1. Fire damper is open in normal condition.
2. Fusing temp is 70+-3 degree.If temperature of air within damper duct exceeds 70+-3 degrees, the fusible of fire damper will be broken to close the fire damper.
3. Close time:<2s
4. Air leakage rate:<5m3/m2.h
5. Handle steel dragline could shut off the fire damper locally. The dragline is 1.5M length.
6. The electrical signal could be output according to users requirement.
7. Fire damper should be reset manually.

Relying on our excellent technology and talents and perfect management and services, we try to create high-quality USA Hot Square 6.8inch Osram LED Working Light for ATV Truck (GT1007Q) to satisfy our customers. We hope to effectively enhance the company's vitality, control, influence and risk resistance through reform and adjustment. We continue to explore and extend to multiple fields, and achieve long-term development of high quality in multiple fields nationwide.
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