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HCD-221 : Industrial Isolation Damper

HCD-221 : Industrial Isolation Damper

The HCD-221 is an industrial isolation control damper with a flanged frame, engineered for applications requiring tight shutoff and dependable performance. It incorporates the same proven blade design used in our bubble-tight dampers, delivering very low leakage in HVAC and industrial process control systems. Available with parallel or opposed blade action, the HCD-221 offers flexibility in airflow control strategy while maintaining high-integrity isolation where system performance and containment are critical.

Product Highlights

Application
Isolation
Maximum Pressure Rating (in. wg.)
10
Blade Type
Flat Dual Skin with Perimeter Seal
Frame Type
Flanged Channel
Mounting Orientation
Horizontal
Vertical
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Features

Actuator Axle Seal Blade Seals Blades External Linkage Frame Paint Finishes
Standard
Optional

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Product Details

Maximum Pressure Rating (in. wg.)

10

Maximum Velocity (fpm)

4,000

Maximum Temperature (°F)

400

Leakage Rating

1.5 cfm/ft² @ 4 in. wg.

Blade Material

Galvanized Steel

304SS

316SS

Frame Material

Galvanized Steel

304SS

316SS

Factory Tested

Cycle Only

Documents

Drawings

Static Model File Type Action Type
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