Heavy gauge corrosion-resistant steel.

1- Actuator vane.

2- Movable vanes.

3- Operator slot.

4- Spring clip.

1. Slide two adjacent mounting slots onto diffuser neck (ensure edge of neck is inserted completely into slot).
2. Slide the two remaining slots onto diffuser neck.
3. Tap firmly downward on each slot to ensure neck edge is inserted completely into each slot.
4. For permanent installation, tap inwards the outside edge of each mounting slot.

Radial sliding blade damper

1. Position the damper on the diffuser neck with the middle damper mounting prongs inside the neck and the four side prongs outside the neck.
2. Press the side mounting prongs firmly against the diffuser neck to secure damper.

Damper adjustment

Vertical operator

accepts standard screwdriver for slotted or socket head thru diffuser face.

• Gang operated radial blades that slide at right angles to the duct to allow damper to work effectively in flexible duct applications.
• Operated by flat-head screwdriver through face.
• Shipped loose for field installation.

Finish:

• Standard finish is Mill.

Available sizes: