Round Volume Control Damper ( Using worm wheel switch )

Applications

· Damper blade which is fixed to the bearing pin, can be rotated in vertical plane from full open to full close

· Unit is fixed with worm wheel switch for manual operation

· Worm wheel switch can lock the blade naturally at any angle

· Manual/ motorized style is available

· Normaly directly attached to the ventilation pipe on the back of the air supporting box.

Color materials

· Made by  galvanize, stainless steel, ZAM steel

· Used handle value

· Easy to control the air supply and return