Product customization
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1T_b
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2T_b
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3T_b
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4T_B
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| None |
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Angle bar
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TDC connection / Flange joint
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Flat joint
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L joint connection
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L joint and angle bar connection to be coupled with louver and joined to ductwork on the other side
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| None |
Material
Frame: Galvanized steel, 1.5mm thickness.
Blade: Galvanized steel, 1.5mm thickness.
Blade Seal: Silicone strip
Jamb Seal: Reinforced stainless steel plate
Bearing: Bronze bush pressed into frame.
Axles: Hexagonal bar mild steel.
Surface Finish
Mill galvanized
Features
• Leakage rating Class II under UL555S classification.
• Blade edge seal of silicone strips seal up the gap between the blades and stoppers when the damper is fully close.
• Jamb seal of reinforced stainless steel plates seal up the gap between the blades and side frame when the damper is fully close.
• Blade edge seal of silicone strips could withstand temperature up to 250°C under ASTM D865 (70h)
• Rigid ‘triple-vee’ blade design
• Linkages are concealed in the frame to prevent malfunctioning caused by improper installation.
• Vertical (wall) or horizontal (ceiling) installation.
• Closed by means of damper actuator.
