PVC Plastic HVAC Electric Damper Check Valve, 75mm to 200mm Air Duct Volume Control , Ventilation Pipe, 220V 24V 12V Options(110mm,AC 220V)

PVC Plastic HVAC Electric Damper Check Valve, 75mm to 200mm Air Duct Volume Control , Ventilation Pipe, 220V 24V 12V Options(110mm,AC 220V)

• Designed for HVAC and ventilation systems, provides automated airflow control and backdraft prevention for residential and commercial applications,
• Available in 75mm, 110mm, 160mm, and 200mm round pipe sizes, fits standard PVC ductwork configurations,
• Constructed with PVC and ABS housing materials, ensures lightweight and operation in moisture-prone environments,
• Compatible with 220V AC, 24V AC/DC, and 12V DC actuator options, enables flexible integration with various control systems,
• Includes mounting flange and wiring terminals, facilitates straightforward installation into existing ventilation and exhaust systems.