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Single-blade balancing damper with integral bearing for simple, reliable airflow adjustment.

• Up to 1 in. wg.
• Up to 2,000 fpm
• Up to 180°F

3V multi-blade manual balancing damper for regulating airflow in HVAC systems.

• Up to 4 in. wg.
• Up to 2,000 fpm
• Up to 180°F

Round manual balancing damper for regulating airflow in HVAC systems.

• Up to 1 in. wg.
• Up to 2,000 fpm
• Up to 180°F

Single-blade remote balancing damper with integral bearing for simple, reliable airflow adjustment. Actuator ships loose for field assembly.

• Up to 1 in. wg
• Up to 2,000 fpm
• Up to 180°F

Remote balancing damper for regulating airflow in HVAC systems. Actuator ships loose for field assembly.

• Up to 4 in. wg
• Up to 2,000 fpm
• Up to 180°F

Round remote balancing damper for regulating airflow in HVAC systems.

• Up to 1 in. wg
• Up to 2,000 fpm
• Up to 180°F

Automatic balancing damper calibrated to maintain constant airflow despite pressure changes. Suitable for supply or exhaust applications requiring reliable, self-adjusting volume control.

• 0.2 in. wg to 2 in. wg
• 25 cfm to 425 cfm
• 25°F to 150°F

Zone control assembly with shutoff damper, electric actuator, and automatic balancing damper in a plenum box. Maintains constant airflow with on-demand ventilation control.

• 0.2 in. wg to 2 in. wg
• 25 cfm to 275 cfm
• 25°F to 150°F

Automatic balancing damper with electric actuator toggling between two pressure-independent CFM setpoints. Maintains minimum ventilation or boosts airflow for on-demand operation.

• 0.2 in. wg to 2 in. wg
• 25 cfm to 275 cfm
• 25°F to 150°F

Automatic balancing damper with square transition to maintain constant airflow despite pressure changes. Reversible transition with quick adapter plate; suitable for supply or exhaust.

• 0.2 in. wg to 2 in. wg
• 25 cfm to 425 cfm
• 25°F to 150°F

Automatic balancing damper with factory-supplied register box for supply or exhaust. Wall or ceiling mount; ABD installs on side or back for flexible layout integration.

• 0.2 in. wg to 2 in. wg
• 25 cfm to 425 cfm
• 25°F to 150°F

Automatic balancing damper with UL 555 1.5 or 3-hour fire rating. Maintains constant airflow with pressure changes; includes sleeve and curtain fire damper. Vertical mount, supply or exhaust.

• 0.2 in. wg to 2 in. wg
• 25 cfm to 275 cfm
• 25°F to 150°F

Cable-operated radial blade balancing damper (bowtie style) for precise airflow adjustment at outlets or plenum necks. Simplifies balancing with accessible cable control.

• Up to 1 in. wg
• Up to 1600 fpm
• Up to 240°F