4" Butterfly Damper

Item 35090

253.01/Each
Add to Cart

Buy in Quantity & Save!

5% off at 2+240.3595/Each
10% off at 4+227.709/Each
15% off at 12+215.0585/Each

Overview

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: 35090
Catalog Page Number: P-446
Manufacturer: Harrison
Manufacturer Part #: 1034-BD-04
Country of Origin: USA

Tech Specs

Weight: 1.9 lbs

More in This Group

Product Assistance

Please enter the number that should appear between these two numbers.
320 322
Send Message