Single Blade Circular Volume Control Damper 200mm

The Single Blade Circular Volume Control Damper regulates air volume in circular ducts, with a plastic manual adjustment handle that locks the blade in the required position without tools. It is a low-tightness A-casing single-blade damper.Made from galvanised steel with PPO plastic bushings, it is available from 100mm to 355mm diameter. Maximum air temperature is 80°C and maximum duct pressure is 500 Pa. 100mm to 355mm diameter Single blade volume control damper Manual handle Suitable for Vertical and horizontal ducted ventilation systems Airflow control and fire protection Specifications Type Single blade volume control damper Damper shape Circular Casing class A-casing, 1-blade (low tightness) Adjustment Plastic manual handle Size range 100mm to 355mm diameter Max temperature 80°C Max duct pressure 500 Pa Material Galvanised steel, PPO bushings Warranty 1 Year Manufacturer