MAIN CHARACTERISTICS

These are powered by an electric motor and can take two operating positions depending on whether the motor is activated or not. The tube and the shut-off ball are made of rust-proof material. The motor casing mounts an auxiliary switch that is activated during switching of the damper.
The damper has an external lever for manually positioning its shut-off ball and which also indicates its position.
These dampers are used to control fumes in gas and fuel oil boiler smoke-stacks. They can be installed in both vertical and horizontal positions. Available in five versions: Ø 130 mm, 150 mm, 175 mm, 200 mm, 225 mm.