Fire and smoke damper check valve (forward flow)

Abstract

1. The name of the design product: smoke exhaust fireproof check valve (downstream type). 2. The use of the design product: the design product is used to install at the rear end of the kitchen exhaust hood, used for discharging oil fume and fireproof ventilation check valve, blocking the spread of fire to the public flue. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

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