The DDB type Smoke Dampers are designed for preventing the spreading of smoke in air ducts.
Specifications
These dampers are used in rectangular ducts. The blades are placed with a pitch of 200 mm and rotate inside bronze bushings. The blades have opposite motion, being connected with a steel link. The damper body is self-flanged and contains the servomotor mounting bracket. Servo motor and mechanism are placed in separate section within damper body.
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