Motorized Air Damper Check Valve 100–200mm | AC 220V DC 12V 24V

Motorized Air Damper Check Valve – Stainless Steel 201 | 100–200mm

Take precise control of airflow in your HVAC, ventilation, or air purification system with this heavy-duty motorized air damper check valve. Available in 100mm (4"), 125mm (5"), 150mm (6"), and 200mm (8") pipe sizes and compatible with AC 220V, DC 12V, and DC 24V power supplies, this electric actuator valve is built to deliver reliable, long-lasting performance in both residential and commercial installations.

Key Features

• Durable Stainless Steel 201 Construction – Corrosion-resistant and built to withstand continuous airflow environments, ensuring a long service life.
• Multiple Pipe Sizes – Fits 100mm (4"), 125mm (5"), 150mm (6"), and 200mm (8") round ducts, offering broad compatibility with standard HVAC and ventilation systems.
• Wide Voltage Compatibility – Operates on AC 220V, DC 12V, or DC 24V, making it versatile for a wide range of electrical setups.
• Motorized Electric Actuator – Blade open/close position is precisely controlled by a motorized actuator, allowing automated or manual airflow regulation without manual adjustment.
• Volume Control Damper Function – Acts as a volume controller in air ducts, regulating the quantity of air passing through for optimized system efficiency.
• Check Valve Design – Prevents backflow of air, maintaining directional airflow integrity in duct systems.
• CE Certified – Meets European safety and performance standards for peace of mind in professional installations.
• Broad Application – Ideal for air conditioning systems, mechanical ventilation, air purification systems, industrial exhaust, and fresh air exchange setups.

Specifications

Applications

This motorized damper valve is perfectly suited for:

• Residential and commercial HVAC duct systems
• Mechanical ventilation and fresh air systems
• Air purification and filtration systems
• Industrial exhaust and supply air control
• Kitchen hood and bathroom exhaust fan ducting

For guidance on safe ventilation and HVAC system standards, refer to the U.S. Department of Energy – Home Cooling Systems resource.

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Frequently Asked Questions

Q: What pipe sizes does this motorized air damper valve fit?

A: This electric air damper check valve is available in four standard sizes: 100mm (4"), 125mm (5"), 150mm (6"), and 200mm (8"), making it compatible with most standard round HVAC and ventilation ducts.

Q: What voltage options are available for this motorized damper?

A: The motorized air damper supports AC 220V, DC 12V, and DC 24V, providing flexibility for a wide range of residential, commercial, and industrial electrical systems.

Q: What is the difference between a check valve damper and a standard damper?

A: A check valve damper not only regulates airflow volume by adjusting blade position, but also prevents backflow — meaning air can only travel in the intended direction. This is especially useful in exhaust systems and multi-zone HVAC setups to maintain proper airflow direction and system efficiency.

Q: Is this air damper valve certified for safety?

A: Yes, this motorized air damper valve is CE certified, confirming it meets European Union safety, health, and environmental protection standards. It is suitable for use in residential and commercial installations.

Q: What material is the valve made from?

A: The valve is constructed from Stainless Steel 201, which offers excellent corrosion resistance and durability, making it well-suited for continuous operation within ventilation and air conditioning duct systems.