GB/T 41480-2022
ActiveSmoke leakage tests for door and shutter assemblies
门和卷帘的防烟性能试验方法
Application Summary AI generated
This standard specifies the test method for measuring the smoke leakage rate of door and shutter assemblies under specified temperature and pressure differentials. It is applied in the construction and fire protection industries to evaluate the smoke control performance of building components, such as fire doors and rolling shutters, during fire safety certification and product quality inspections.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.