These corrosion-proof PVC Blast Dampers are for the construction of exhaust ventilation systems. Note: Fittings are triple bead welded. Pictures are to represent style of fittings only; color is gray.
- PVC 1120, Type 1, Grade 1, Cell Class 12454-B; Meets ASTM D1784 requirements
- Dampers are furnished with a three-position locking pin (open, half-open & closed)
- Temperature range: 33°F to 140°F
- Dimensions: 9.25" L x 17.5" W x 23" Hgt. (not including gate)
- Gate is 3/16" thick
- Socket depth is 2.5