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Chemical Systems Services, Inc
81 O'Neil Blvd
Attleboro, MA  02703
Ph. (508) 431-9995
Fax (508) 431-9991

Need a custom size?
Contact us for a quote.  We offer quality workmanship at competitive prices.

Blast Gate Specifications Chart

Click below to purchase fittings

Butterfly Damper

Blast Gate

 

 

BUTTERFLY DAMPER

PVC Butterfly Damper Drawing

Click here to view prices or purchase standard size PVC Butterfly Dampers

These products are fabricated from PVC duct and/or sheets and are designed for use in ventilation systems.

Please read our frequently asked questions page to determine if these fittings are appropriate for your purposes 

 

Butterfly Damper Standard Size Specification Chart

Model No.

Size

A

B

C*

Connection

I.D.

Connection

D-PVC-6

6

N/A

12

10.5

6.625+1/16

Belled

D-PVC-7

7

N/A

12

11.3

7.375+1/16

Belled

D-PVC-8

8

N/A

12

12.5

8.623+1/16

Belled

D-PVC-9

9

N/A

14

13.2

9.375+1/16

Belled

D-PVC-10

10

N/A

14

14.6

10.750+1/16

Belled

D-PVC-12

12

N/A

16

16.6

12.750+1/16

Belled

D-PVC-14

14

14

18

17.9

14.000+1/16

3” Collar**

D-PVC-16

16

16

20

20.3

16.000+1/16

3” Collar**

D-PVC-18

18

18

22

22.3

18.000+1/16

3” Collar**

D-PVC-20

20

20

26

24.3

20.000+1/16

4” Collar**

D-PVC-24

24

24

36

28.3

24.000+1/16

4” Collar**

Standard Butterfly Dampers Made from PVC Type I (see our faq page)
All dimensions in inches
Custom sizes available
* Within ¼ inch
** Collar welded to fitting


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