Ductulator

1000 CFM

Hold Width Constant At 12 inches

Set Mid Range Height At 8 inches

Vary Height in 2 inch increments

Ductliner? No Thickness 1 inches

Friction Loss Range 0.08 To 0.1

Velocity Range 600 To 1200

Graph Friction Loss

Width (in.) x Height (in.)Duct Velocity S.P. Loss (per 100 ft.)

Equivalent Dia. (in.)(fpm) (in. of w.c.)

- - x - - - - - - - -

- - x - - - - - - - -

- - x - - - - - - - -

- - x - - - - - - - -

- - x - - - - - - - -

- - x - - - - - - - -

- - x - - - - - - - -

12 x 2 6,000 14.118 4.9

12 x 4 3,000 2.017 7.3

12 x 6 2,000 0.672 9.1

12 x 8 1,500 0.315 10.7

12 x 10 1,200 0.177 12.0

12 x 12 1,000 0.112 13.1

12 x 14 857 0.076 14.2

12 x 16 750 0.055 15.1

12 x 18 667 0.041 16.0

12 x 20 600 0.032 16.8

12 x 22 545 0.026 17.6

12 x 24 500 0.021 18.3

12 x 26 462 0.017 19.0

12 x 28 429 0.015 19.6

Ductulator

Duct Diameter Based on Friction Loss

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

X

Rectangular Duct Size Based on Friction Loss

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36

2

4

6 X X

8 X

10 X

12

14

Equivalent Dia. (in.)16 X

18

20 X

- - 22

- - 24

- - 26

- - 28 X

- - 30 X

- - 32

- - 34

4.9 36

7.3 38

9.1 40

10.7 42

12.0 44

13.1 46

14.2 48

15.1 50 X

16.0 52 X

16.8 54 X

17.6 56

18.3 58

19.0 60

19.6 62

64

Ductulator

Duct Diameter Based on Friction Loss

21 22 23 24 25 26 27 28 29 30 31 32 33 34

Rectangular Duct Size Based on Friction Loss

38 40 42 44 46 48 50 52 54 56 58 60 62 64

X X X