* This information was provided by Flowtech Co Ltd and may contain additional information outside the scope of this Claim Verification.
Endures 3 hour fire exposure with 280 °C heat responsive device
Product was assessed against the test method described below to determine the product’s fire exposure endurance when utilizing a Heat Responsive Device with a temperature rating of 280 °C (536 °F): Fire test dampers were installed in a gypsum wall assembly in the upstream and downstream orientation in a vertical wall with the blades in the open position. The dampers were then exposed to temperatures ranging from 538°C to 1052°C over a 3 hour time period. After activation of the heat responsive device, the fire damper blades closed and latched automatically and remained engaged and secured throughout the test period. At the conclusion of the exposure, there was no evidence of flaming of the fire damper assembly materials on the unexposed side.
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