Design Calculation.xls

172.16.6.215

Design Calculations For Compressed For Compressed Air Piping Pipe Line Diameter

D

=

(1.6*10^3*V^1.85*L/(10^10*$p*

V

=

0.2831684

cum/sec

L

=

30

m

$p

=

0.0075842

bar

Presure drop in bar

Pmax

=

6.894757

bar

Operating Pressure

D

=

volume of air Equivalent Length of

0.097683 m 97.68294 mm 100 mm

Recommen

Pressure Drop Calculations $p

=

1.6*10^3*V^1.85*L/(10^10*D^5

V

=

0.2831684

cum/sec

L

=

274.6

m

Equivalent Length of

D

=

0.1

m

Diameter of the pipe

Pmax

=

6.894757

bar

$p

=

volume of air

Operating Pressure 1.6*10^3*V^1.85*L/(10^10*D^5 0.0090 0.009001 01 Bar Bar

Available Pressure At the end Point

6.885756 Bar

Total Length of Pipe Actual Accessori Total Length(M) es (M) Length(M) 20 0

7 4 .6

274.6

Values Of 'C' Cast Iron

100

Mild Steel 120 Galvanise 120 Equivalent Length of Fittings a t Fittings & Valves

50

65

80

100

150

Screwed Elbow 90deg

1. 4 6

1.89

2. 37

3.04

4.3

Welde Elbow 90

0. 6 9

0.88

1.1

1.43

2

Screwed Elbow 45deg

0. 7 6

1.02

1. 27

1.61

2.3

All Other fiittings

2.91

3.81

4.75

6.1

8.61

0.38

0.51

0.63

0.81

1.13

--

--

3.94

5.07

7.17

--

--

119.71

5.36

35.88

50

65

80

100

150

Butterfly Valve

2.19

2.86

3.55

4.56

6.38

Globe Valve

6.43

21.64

126.8

34.48

48.79

Gate Valve Alarm valve N.R.Valve (Mush Room) Fittings & Valves

The equivalent lengths can be converted as necessary for pipes of Cast iro Equivalent Length o

o n . S

r e t e m a i D

y t i t n a u Q

d e g w w e e o d r c b l 0 S E 9

h l t a g t n o e T L

y t i t n a u Q

0 d 9 e w d l o e b l W E

1

50

1.46

0

0.69

2

65

1.89

0

0.88

3

80

2.37

0

1.1

4

100

3.04

24.32

1.43

5

150

4.3

0

2

6

200

5.67

0

2.64

7

250

7.42

0

3.35

8

25

0.77

0

0.36

9

32

1.04

0

0.49

10

40

1.22

0

0.56

8

24.32

max))^1/5 600 cfm

Enter

ipe 0.11 Psi

Enter from Ingersolland

100 Psi

Enter from Ingersolland

ded

Pmax)

ipe

Pmax)

d Valves

200

250

25

32

40

5.67

7.42

0.77

1.04

1.22

2.64

3.35

0.36

0.49

0.56

3.05

3.89

0.4

0.55

0.66

11.34

13.85

1.5

1.97

9.4

12.3

47.27

61.85

200

250

8.62

9.9

64.29

84.11

1.54

2.13

2.44

n by multiplying the above values by 0.714 Fittings and Valves

r e s h g t i n O t l i l t i A f


0

2.91

0

1.02

0

3.81

0

0

1.27

0

4.75

0

0

1.61

0

6.1

36.6

0

2.3

0

8.61

0

0

3.05

0

11.34

0

0

3.89

0

13.85

0

0

0.4

0

1.54

0

0

0.55

0

2.13

0

0

0.66

0

2.44

0

y t i t n a u Q

d e g w w e e o d r c b l 5 S E 4


0

0.76

0


0

0

y t i t n a u Q

6

36.6

y t i t n a u Q

y t i t n a u Q

e v l a V e m . r l v R a l a . A v N


y t i t n a u Q

e e l v t a a G V


0.38

0

0

0

0.51

0

0

0

0.63

0

3.94

0

119.71

0

0.81

0

5.07

0

5.36

0

1.13

0

7.17

0

35.88

0

1.5

0

9.4

0

47.27

0

1.97

0

12.3

0

61.85

0

) e . e h m s r l v R v u m o l a l a . a M o A V N V ( R


0

0

0

0

0

0

0

0

0

0

0

0

y t i t n a u Q

3

y l f r e e t v t l u a B V


2.19

y t i t n a u Q

e e b v o l l a G V


0

6.43

0

2.86

0

21.64

0

3.55

0

126.8

0

4.56

13.68

34.48

0

6.38

0

48.79

0

8.62

0

64.29

0

9.9

0

84.11

0

0

0

0

0

0

0

13.68

0

Design Calculation.xls

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