These corrosion-proof PVC Blast Dampers are for the construction of exhaust ventilation systems. NOTES: Fittings are triple bead welded. Pictures are to represent the style of fittings only; the color is gray.
- PVC 1120, ASTM D-1784, Type 1, Grade 1, Cell Class 12454-B
- Dampers are furnished with a three-position locking pin (open, half-open & closed)
- Temperature range: 33°F to 140°F
- Dimensions: 6.75" L x 4.88" W x 7" Hgt. (not including gate)
- Gate: 3/16" thick
- Socket depth: 1.75"