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HCDR-351 : Round Industrial Isolation Damper

HCDR-351 : Round Industrial Isolation Damper

The HCDR-351 is an isolation damper featuring a flanged frame, engineered to deliver tight shutoff with very low leakage in HVAC and industrial process control systems. Designed for applications where containment and system integrity are critical, it provides dependable isolation performance while maintaining reliable operation. The HCDR-351 offers a robust solution for environments requiring precise airflow control and high-integrity shutoff.

Product Highlights

Application
Isolation
Maximum Pressure Rating (in. wg.)
20
Blade Type
Butterfly with Full Perimeter Seal
Frame Type
Flanged Channel
Mounting Orientation
Horizontal
Vertical
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Features

Blade Blade Seal Frame Paint Finishes Actuator Axle Seal
Standard
Optional

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Product Details

Maximum Pressure Rating (in. wg.)

20

Maximum Velocity (fpm)

6,500

Maximum Temperature (°F)

400

Leakage Rating

0.17 cfm/ft² @ 4 in. wg.

Blade Material

Painted Steel

304SS

316SS

Frame Material

Painted Steel

304SS

316SS

Factory Tested

Cycle Only

Documents

Drawings

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