Regulating or isolating round butterfly damper. Normally with one single disc on a central shaft and optionally with multiple interconnected blades.
Available with pneumatic, electric, hydraulic or manual actuator.
Depending on the sealing system, varying levels of tightness can be obtained (95% -100 %).
Suitable for low pressure combustion gases at high temperatures (up to 750ºC).
Applications in cogeneration plants, waste heat recovery systems.
Sizes: up to DN 2500