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
Item 35060
255.61/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
255.61/Each
4" Butterfly Damper
Item 35090
266.33/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
266.33/Each
6" Butterfly Damper
Item 35150
332.15/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
332.15/Each
8" Butterfly Damper
Item 35180
336.31/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
336.31/Each
10" Butterfly Damper
Item 35210
370.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
370.67/Each
12" Butterfly Damper
Item 35240
413.91/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
413.91/Each
14" Butterfly Damper
Item 35270
565.88/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
565.88/Each
16" Butterfly Damper
Item 35300
620.07/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
620.07/Each
18" Buterfly Damper
Item 35330
837.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
837.67/Each
20" Butterfly Damper
Item 35360
996.39/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
996.39/Each
24" Butterfly Damper
Item 35420
1308.36/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-446
1308.36/Each