Materials
| Frame: Galvanized steel, 1.5mm thickness. |
| Blade: Galvanized steel, 1.5mm thickness. |
| Blade Seal: Silicone strip (Fire resistance up to 225 °C |
| 70h under ASTM D865). |
| Jamb Seal: Reinforced stainless steel plate, |
| compression type. |
| Bearing: Bronze bush pressed into frame. |
| Axles: Hexagonal bar mild steel. |
Surface Finish
| Mill galvanized |
Blade Action
| Parallel blade |
Blade Dimension Limits
| • Maximum blade length = 1000mm • Maximum blade width = 160mm |
SD-T Feature
• Tested in accordance to UL555S. Leakage rating
Class 3.
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
• Angled stopper with single longitudinal grooves for
better seal purpose.
• Low air/smoke leakage even in high static pressure.
• 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.
• Blades installed horizontally.
Reviews
There are no reviews yet.