Circular Volume Control Damper

DESCRIPTION:

• Designed for use in heating, ventilating and air conditioning systems.
• Joints are welded and protected with aluminium spray coating to prevent rusting.
• GI blades are made from a circular single flap welded to the axle for added strength.
• A hand-locking quadrant is provided with clear open and close indications, along with three intermediate positions: 1/4, 1/2 and 3/4 open.
• An optional foam gasket is sealed around the edges to minimise air leakage around the blade.
• Standard flange width is 25 mm.
• Dampers without flanges are available as an option for duct insertion.
• Bushings: Self-lubricating nylon bushings.
• A motorised actuator of the required make can be provided as an option.