COMBINATION FIRE DIFFUSION PREVENTION AND SMOKE PREVENTION DAMPER CAPABLE OF BLOCKING SMOKE GENERATED IN FIRE

摘要

PURPOSE: A combination fire diffusion prevention and smoke prevention damper is provided, which makes the inside of the body portion automatically closed by a blocking plate when the internal air temperature rises over the set temperature.;CONSTITUTION: A combination fire diffusion prevention and smoke prevention damper comprises: a body portion(100) which is formed into a box type in which the front and rear are opened to make air circulation possible; a blocking plate(200) which is pivotally inserted into an upper shaft hole of the upper plate and a lower shaft hole of the lower plate; a spring(300) which keeps the blocking plate in the closed state; a blocking body(400) in which a motor shaft hole is formed in the upper center; a fuse(500); and a motor(600) fixed in the upper plate of the body portion.;COPYRIGHT KIPO 2011