GB/T 24480-2009
ActiveLanding doors fire resistance test
电梯层门耐火试验
Application Summary AI generated
GB/T 24480-2009 specifies the fire resistance test method for elevator landing doors, determining their ability to prevent flame and hot gas passage under standard fire conditions. It is applied in the construction industry for fire safety certification of elevator doors installed in buildings, ensuring compliance with fire protection regulations during type testing and product approval.
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