Damper Round fire valve|Fire Protection Equipment for Ventilation Systems
Item specifics
- Applicable Duct Type
- Circular ventilation duct
- Operation Method
- Thermal fuse, electric signal, manual
- Reset Mode
- Manual / Electric / Spring
- Material
- Galvanized steel / Stainless steel
Review
Description
Product Overview – Damper Round fire valve
Damper Round fire valve is a fire protection device installed in ventilation systems or air conditioning ducts. When a fire occurs, when the temperature in the duct reaches the set value (usually 280°C), the valve automatically closes, effectively preventing the spread of flames and smoke in the ventilation system, protecting personnel safety and the integrity of the building structure.
Product specifications: customized
Product performance: smoke exhaust fire damper
Product use: factory workshops, educational buildings, garages, gymnasiums, residential houses, basements, chemical plants, etc.
Why Choose Our Damper Round fire valve

Multiple Reset Options: Manual, mechanical spring, or electric reset options available
Compact Round Design: Ideal for space-saving installation in round ducts
CCC Certified: Fully compliant with Chinese national fire protection standards
Reliable Sealing: Airtight closure prevents smoke and flame leakage under pressure
Frequently Asked Questions (FAQ)
Q1:How does the fire damper respond during a fire?
A:The damper uses a thermal sensor. When the duct temperature reaches 280°C, the thermal fuse breaks, and the damper automatically closes to block fire and smoke.
Q2:Can it be linked to a fire alarm system?
A: Yes, optional models can be triggered by fire control signals, smoke detectors, or temperature sensors.
Q3: What reset options are available?
A: We offer manual reset, spring reset, and electric reset options to meet project requirements.