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
Stock Description Catalog Pg. Price
3" Butterfly Damper
35060
3" Butterfly Damper
$165.38​/Each
Save 5%2+$157.11/Each
Save 10%4+$148.84/Each
Save 15%12+$140.57/Each
P-372
$165.38​/Each
In Stock
4" Butterfly Damper
35090
4" Butterfly Damper
$172.30​/Each
Save 5%2+$163.68/Each
Save 10%4+$155.07/Each
Save 15%12+$146.45/Each
P-372
$172.30​/Each
In Stock
6" Butterfly Damper
35150
6" Butterfly Damper
$214.90​/Each
Save 5%2+$204.15/Each
Save 10%4+$193.41/Each
Save 15%12+$182.66/Each
P-372
$214.90​/Each
On Order
8" Butterfly Damper
35180
8" Butterfly Damper
$217.59​/Each
Save 5%2+$206.71/Each
Save 10%4+$195.83/Each
Save 15%12+$184.95/Each
P-372
$217.59​/Each
In Stock
10" Butterfly Damper
35210
10" Butterfly Damper
$239.82​/Each
Save 5%2+$227.82/Each
Save 10%4+$215.83/Each
Save 15%12+$203.84/Each
P-372
$239.82​/Each
In Stock
12" Butterfly Damper
35240
12" Butterfly Damper
$267.79​/Each
Save 5%2+$254.40/Each
Save 10%4+$241.01/Each
Save 15%12+$227.62/Each
P-372
$267.79​/Each
In Stock
14" Butterfly Damper
35270
14" Butterfly Damper
$366.13​/Each
Save 5%2+$347.82/Each
Save 10%4+$329.51/Each
Save 15%12+$311.21/Each
P-372
$366.13​/Each
In Stock
16" Butterfly Damper
35300
16" Butterfly Damper
$400.66​/Each
Save 5%2+$380.62/Each
Save 10%4+$360.59/Each
Save 15%12+$340.56/Each
P-372
$400.66​/Each
Special Order
18" Buterfly Damper
35330
18" Buterfly Damper
$541.96​/Each
Save 5%2+$514.86/Each
Save 10%4+$487.76/Each
Save 15%12+$460.66/Each
P-372
$541.96​/Each
Drop Ship
20" Butterfly Damper
35360
20" Butterfly Damper
$644.66​/Each
Save 5%2+$612.42/Each
Save 10%4+$580.19/Each
Save 15%12+$547.96/Each
P-372
$644.66​/Each
Drop Ship
24" Butterfly Damper
35420
24" Butterfly Damper
$846.49​/Each
Save 5%2+$804.16/Each
Save 10%4+$761.84/Each
Save 15%12+$719.51/Each
P-372
$846.49​/Each
Drop Ship