24" Butterfly Damper

Item 35420

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These corrosion-proof PVC Butterfly Dampers are for the construction of exhaust ventilation systems. NOTES: Fittings are triple bead welded. Pictures are to represent style of fittings only; color is gray.

  • PVC 1120, ASTM D-1784, Type 1, Grade 1, Cell Class 12454-B
  • ll internal parts are PVC including the body, damper plate & shaft
  • Butterfly (balancing) dampers are furnished with a locking quadrant, to permanently position
  • Damper allows for less than 5% air flow restriction when open & an approximate 95% seal when closed
  • Can be installed either vertically or horizontally
  • Temperature range: 33°F to 140°F

Item Information

Item Number: 35420
Catalog Page Number: P-450
Manufacturer: Harrison
Manufacturer Part #: 1034-BD-24
Country of Origin: USA

Tech Specs

Material: PVC
Color: Gray
Size: 24"
Type: Duct
Fittings: Butterfly Damper
Weight: 30 lbs

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