Fire Smoke Damper Leakage Class at Willie Ojeda blog

Fire Smoke Damper Leakage Class. Damper leakage rating of combination fire and smoke dampers are determined at an elevated temperature 250°f or 350°f, based on test. • fire, smoke, or combination fire smoke damper applications • selection of the correct damper and actuator • damper and actuator installation. Ul classified leakage ratings ul standard 555s, smoke dampers, is the test standard to qualify dampers for use in smoke. The elevated temperature ratings must be not less. Table 1 shows the maximum leakage value at a specific pressure for each ul. Section 607.3.2.2 of the imc requires the smoke damper leakage rating to be class i or ii.

Class II 3hr Single Thickness Blade Fire/Smoke Damper
from www.airbalance.com

Ul classified leakage ratings ul standard 555s, smoke dampers, is the test standard to qualify dampers for use in smoke. Table 1 shows the maximum leakage value at a specific pressure for each ul. The elevated temperature ratings must be not less. • fire, smoke, or combination fire smoke damper applications • selection of the correct damper and actuator • damper and actuator installation. Damper leakage rating of combination fire and smoke dampers are determined at an elevated temperature 250°f or 350°f, based on test. Section 607.3.2.2 of the imc requires the smoke damper leakage rating to be class i or ii.

Class II 3hr Single Thickness Blade Fire/Smoke Damper

Fire Smoke Damper Leakage Class Damper leakage rating of combination fire and smoke dampers are determined at an elevated temperature 250°f or 350°f, based on test. Damper leakage rating of combination fire and smoke dampers are determined at an elevated temperature 250°f or 350°f, based on test. • fire, smoke, or combination fire smoke damper applications • selection of the correct damper and actuator • damper and actuator installation. Table 1 shows the maximum leakage value at a specific pressure for each ul. Ul classified leakage ratings ul standard 555s, smoke dampers, is the test standard to qualify dampers for use in smoke. Section 607.3.2.2 of the imc requires the smoke damper leakage rating to be class i or ii. The elevated temperature ratings must be not less.

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