KD-T Non Return Damper

Non return damper (KD-T) is designed for automatic shut off of individual section of air conditioning system. In a multi fan installation, KD-T prevents back draught through the non operating fans. Contemporary styling features blades that overlap the frame for optimum leakage proof. The damper’s aesthetical appearance is maintained by sturdy, corrosion resistant aluminum and galvanized steel construction.

Operational Pressure

Blades start to open at 0.10 inch w.g. operational pressure.
Blades fully open at 0.15 inch w.g. operational pressure.

Material

Frame: Galvanized steel, 1.2mm thickness.
Blade: Aluminum sheet, 1.0mm thickness.

Blade Dimension Limits
Maximum blade lengh = 1000mm
Maximum blade width = 170mm

Temperature Limits
-40°C to +93°C

Blade Action
Parallel blade.

Connection Type
Slip joint (S) or flange joint for TDC (T).

Surface Finish

Frame: Mill galvanized.
Blade: Mill aluminum.

KD-T Non Return Damper.pdf

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