Fresh Air Damper DN1000mm 441BV12 HVAC Ventilation Control Damper

Product Overview

The Fresh Air Damper DN1000mm, model 441BV12, is a heavy-duty HVAC airflow control component designed for large-diameter ventilation ducts, air handling units, and fresh air intake systems. It provides reliable regulation of outside air volume while supporting balanced ventilation, system efficiency, and indoor air quality management in commercial and industrial environments.

Key Features

• DN1000 nominal size for large-capacity ventilation ductwork
• Robust metal construction suitable for commercial and industrial HVAC systems
• Adjustable damper blades for precise fresh air volume control
• Designed for fresh air intake, return air, and mixed-air applications
• Flanged connection for secure installation and reduced air leakage
• Model reference 441BV12 for replacement and maintenance identification

Specifications

Applications

This damper is suitable for air handling units, ventilation plants, fresh air systems, commercial buildings, factories, warehouses, clean rooms, and industrial ductwork requiring controlled airflow. It can be used as an OEM-style replacement part or during planned HVAC maintenance and system upgrades.

Package Contents

• 1 x Fresh Air Damper DN1000mm, Model 441BV12
• Integral damper blade and linkage assembly
• Protective packaging for industrial transit