Product Specification • Low maintenance, Durable, Excellent performance. • The complex shape reduces the leakage factor considerably. • Fire exposed surfaces are backed-up by insulating material. • Due to special insulating material, the strength of the louver/flamore...
9.1. All supply and return air ducts at AHU room crossings and at all floor crossings shall be provided with approved make fire dampers of at least 90 minutes fire rating. 9.2. Fire damper blades and outer frame shall be formed of 1.6 MM galvanised sheet steel. The damper blade smore...