PVC Duct Butterfly Dampers

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 # Description Catalog Pg. Price Add to Cart
3" Butterfly Damper
Item 35060
284.47/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
284.47/Each
4" Butterfly Damper
Item 35090
296.62/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
296.62/Each
6" Butterfly Damper
Item 35150
370/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
370/Each
8" Butterfly Damper
Item 35180
374.29/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
374.29/Each
10" Butterfly Damper
Item 35210
412.35/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
412.35/Each
12" Butterfly Damper
Item 35240
460.57/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
460.57/Each
14" Butterfly Damper
Item 35270
629.93/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
629.93/Each
16" Butterfly Damper
Item 35300
689.81/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
689.81/Each
18" Butterfly Damper
Item 35330
933.05/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
933.05/Each
20" Butterfly Damper
Item 35360
1108.57/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
1108.57/Each
24" Butterfly Damper
Item 35420
1457.82/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-481
1457.82/Each