NON RETURN DAMPER – WALL MOUNTED

DESCRIPTION

• Frame and blade are made of high quality extruded aluminium profiled construction with the advantages of corrosion resistance and rigidity.
• Air operated damper blades are fixed to the frame by self-lubricating nylon bushes.
• Blade edges are sealed with gasket to avoid rattling noise and to minimise air leakage.
• Blades open fully or at any angle depending on the air velocity and pressure. Blades stay in position of opening without fluctuating when there is constant air flow.
• Blades close quietly when the air flow stops.
• Designed to maintain constant pressure level inside pressurized rooms by relieving excess air when it exceeds the desired limit.
• Generally installed on diesel generator, plant rooms ventilation system and exhaust ducting.
• Available in square and rectangular sizes.
• Frame is made of L shapes profile for wall mounting with 20 mm flange.

PRODUCT ORDER CHECKLIST

• Material: Aluminium / GI
• Gauge: 16 / 18 / 20 / 22 / 24 (for GI)
• Listed Size
• Linkage: Yes / No