Type PWW multi-blade dampers
PWW multi-leaf dampers with opposite or parallel blades are used to regulate or close the air flow in rectangular ventilation ducts. Mounted in air-handling units or in the wall.
Working temperature: -20 ° C to + 90 ° C, (+ 50 ° C in version with actuator).
The PWO damper which is a variation of the PWW is dedicated for a wide range of temperature. Operating temperature of PWO: -40°C up to +150°C