Retrotec Commercial 441 and 451 DucTester Manual do Utilizador descarregar pdf (Página 38)

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Leakage Factor from a table

Test

Pressure,

in WC

Leakage Factor, F in CFM/100 square feet

Class 3

Class 6

Class 12

Class 24

Class 48

0.05

0.4

0.9

1.7

3.4

6.7

0.10

0.7

1.3

2.7

5.4

10.7

0.20

1.1

2.1

4.2

8.4

16.8

0.30

1.4

2.7

5.5

11.0

21.9

0.40

1.7

3.3

6.6

13.2

26.4

0.50

1.9

3.8

7.6

15.3

30.6

0.60

2.2

4.3

8.6

17.2

34.4

0.70

2.4

4.8

9.5

19.0

38.1

0.80

2.6

5.2

10.4

20.8

41.5

0.90

2.8

5.6

11.2

22.4

44.8

1

3

6

12

24

48

1.5

3.9

7.8

15.6

31.2

62.4

2.0

4.7

9.4

18.8

37.7

75.4

2.5

5.4

10.9

21.7

43.4

86.8

3.0

6.1

12.2

24.5

49.0

98.0

3.5

6.7

13.6

27.1

54.2

108.5

4.0

7.4

14.8

29.5

59.0

118.1

4.5

8.0

16.0

5.0

8.6

17.1

5.5

9.1

18.2

6.0

9.6

19.2

7.0

10.6

21.2

8.0

11.6

23.2

9.0

12.5

25.0

10.0

13.4

26.8

11.0

14.3

28.5

Table 6 Leakage Factor

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 55 56

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