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DamperIt is a backflow prevention damper that is set up to allow only wind from one direction to pass through. The construction of the blades is restrained by the weight's force, preventing the flow of the opposing wind. The construction of the blades is restrained by the weight's force, preventing the flow of the opposing wind. Round Duct uses a circular or round type backdraft damper.
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ASTEM CO., LTD.
Providing Japanese standard products and the latest fire protection and smoke exhaust know-how.
Providing Japanese standard products and the latest fire protection and smoke exhaust know-how.
- 1-2, Kawaharawaki, Yazuki, Zao-Machi, Kattagun, Miyagi, Tokyo - 9890843, Japan
- Phone : 81-224-227780
- Mr SUNDER SINGH (Customer Service)
- Mobile : +81224293610, +819071603009
- Email Us :duct-g.customer@e-astem.jp
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