Rectangular Commercial Control Dampers - SEVCD-33
The SEVCD-33 is a low leakage airfoil blade control damper with 316 stainless steel construction. The applications are in medium to high pressure and velocity systems.
Pressure: Up to 8 in. wg (2 kPa)
Leakage: Class 1A @ 1in. wg (0.25 kPa); Class 1 @ 4-8 in. wg (1 - 2 kPa)
Velocity: Up to 4000 fpm (20.3 m/s)
Temperature: Up to 250°F (121°C)
Blade and Jamb Seal
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