Model No. : VRFI DES
Motorised smoke & heat exhaust dampers with refractory blade & upgradable VRFI mechanism.
Designed for mechanical or natural smoke & heat exhaust through horizontal/vertical ducts. Also suit installation in suspended ceilings. 2h fire resistance rating with no smoke leakage or heat transfer. NF Certified. Open by the electrical signal from fire alarm control panel and reset by motor.
