These corrosion-proof CPVC Butterfly Dampers are for the construction of exhaust ventilation systems. Note: Fittings are triple bead welded. Pictures are to represent style of fittings only; actual color is light gray.
- Type VI, Grade 1 CPVC, Cell Class 23447 as described in ASTM D-1784
- All internal parts are CPVC, including the body, damper plate & shaft
- Butterfly (balancing) dampers are furnished with a locking quadrant to permanently position
- Damper allows for less than 5% airflow restriction when open & approximate 95% seal when closed
- It can be installed either vertically or horizontally
- Temperature range: 33°F to 200°F
- Dimensions: 12.75" L
- 2.5" socket depth
- 0.187" thick damper plate