7/27/2019 Total Length Calcs for Pipes Valves and Fittings

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Project Number

Line Number

From

To

P & ID NO.

Nominal Pipe Diameter (D)

Fittings Number Le, (m)

Reduced Bore 40mm and smaller 65 D

Reduced Bore 50mm and Larger 45 D 13 59.4

Full bore 3 D

Standard bore 13 D

Reduce bore 40mm and smaller 65 D

Straight pattern 340 D

Y pattern 160 D

Angle Pattern 145 D

Swing Type 135 D

Ball or piston Type, 40mm and smaller 340 DPlug valve Regular Pattern 45 D

Butterfly Valve 6 inches and larger 20 D

Flow straight through 20 D

Flow through side outlet 65 D 1 6.6

90, R=1.5D 20 D 12 24.4

45, R=1.5D 16 D

90, R=4D 14 D

90, R=5D 16 D

180, R=4D 25 D

180, R=5D 28 D

Strainer Pump suction Y type and bucket type 250 D

Product outlet nozzle vessel/tank 32 D

Product inlet nozzle vessel/tank 64 D

Concentric

Expander

Concentric

Reducer

1 0.2

Sudden

Expansion

Sudden

Contraction

1 1.0

571.0

91.6

662.6

PREP'D BY: CHK'D BY: APP'D BY: DATE:

Prepared by: Ankur Srivastava

Chemical Engineer

e-mail: ankur_2061@hotmail.com

Disclaimer: The information and methods included within this spreadsheet are presented for 'Total Length Calcs fo

Valves and Fittings'. It is intended to be used by technically skilled persons at their own discretion. I do not warrant

suitability or accuracy of these methods.

Re

Gate Valve

inches 4

Ball Valve

EQUIVALENT LENGTH CALCULATIONS FOR VALVES AND FITTINGS BASED ON GPSA ENGG. DATA BOOK (11TH

CRANE TECHNICAL PAPER No. 410M (1982 ED.)

TOTAL LENGTH CALCULATIONS FOR A PIPE SEGMENT INCLUDING VALVES AND FITTI

Globe Valve

Nozzle

Elbow

Check Valve

Tee - equal

Bend

Total Equivalent Length for Fittings, m

Total Length (Equivalent Length + Straight Length), m

4 x 2

Larger Dia. x Smaller Dia.

4 x 3

Straight Length for entered Nominal Pipe Diameter (D), m

SHEET 1 OF 6

7/27/2019 Total Length Calcs for Pipes Valves and Fittings

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r Pipes,

the

arks

ED.) AND

GS

SHEET 2 OF 6

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Concentric Reducer (Reference: Eqn. 3.18, Crane Technical Paper No. 410M)

(forq 45)

where:

K1 = Resistance coefficient based on smaller diameter

q = included angle in degrees

b = d / D

where:

d = smaller diameter, inches

D = larger diameter, inches

Concentric Expander (Reference: Eqn. 3.17, Crane Technical Paper No. 410M)

(forq 45)

Equation for Equivalent Length

whereLe = Equivalent length in m

d = smaller diameter in inches

Ft = Friction factor for turbulent flow

Pipe Frict ion Data for Clean Comm ercial Steel Pipe with Flow in Zon e of Comp lete Turbulence

Line NB Ft (From A-26, Crane Technical Paper No. 410M)

inch

1 0.023

1.5 0.021

2 0.019

3 0.018

4 0.017

6 0.015

8 0.014

10 0.014

12 0.013

14 0.013

16 0.013

18 0.012

20 0.012

24 0.012

30 0.011

36 0.011

Values of D, d and L from from ASME B16.9-2003 (page 17-18)

Nominal

Pipe Size,

inches

Nominal

Pipe Size

(smaller dia),

inches

Larger Dia.

D, inches

Smaller

dia. d,

inches

Diameter Ratio

(b = d/D)

Length L,

in.

Included

concentric

Angle q,

Resistance

Coefiicient

based on

smaller dia., K1

Friction

Factor for

turbulent

flow, Ft

Equivalent

length, Le,

m

2 x 1 1 2.374 1.315 0.554 3 20 0.10 0.023 0.14

2 x 1.5 1.5 2.374 1.902 0.801 3 9 0.02 0.021 0.05

3 x 1.5 1.5 3.5 1.902 0.543 3.5 26 0.13 0.021 0.29

3 x 2 2 3.5 2.374 0.678 3.5 18 0.07 0.019 0.22

4 x 2 2 4.5 2.374 0.528 4 30 0.15 0.019 0.47

4 x 3 3 4.5 3.5 0.778 4 14 0.04 0.018 0.19

6 x 3 3 6.626 3.5 0.528 5.5 32 0.16 0.018 0.78

6 x 4 4 6.626 4.5 0.679 5.5 22 0.08 0.017 0.55

8 x 6 6 8.626 6.626 0.768 6 19 0.05 0.015 0.60

8 x 4 4 8.626 4.5 0.522 6 38 0.19 0.017 1.27

10 x 8 8 10.75 8.626 0.802 7 17 0.04 0.014 0.67

10 x 6 6 10.75 6.626 0.616 7 33 0.14 0.015 1.57

12 x 10 10 12.75 10.75 0.843 8 14 0.03 0.014 0.56

12 x 8 8 12.75 8.626 0.677 8 29 0.11 0.014 1.69

12 x 6 6 12.75 6.626 0.520 8 42 0.21 0.015 2.34

14 x 12 12 14 12.75 0.911 13 6 0.01 0.013 0.16

14 x 10 10 14 10.75 0.768 13 14 0.04 0.014 0.79

14 x 8 8 14 8.626 0.616 13 23 0.10 0.014 1.57

14 x 6 6 14 6.626 0.473 13 32 0.17 0.015 1.90

d

L

D

F

LOW

EXPANDER

21 12

8.0 bq

SinK

221 12

6.2 bq

SinK

0254.01

dF

KL

t

e

CONCENTRIC REDUCERfor included angle less than 45o

D d

L

FLOW

REDUCER

7/27/2019 Total Length Calcs for Pipes Valves and Fittings

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24 x 18 18 24 18 0.750 20 17 0.05 0.012 1.98

24 x 16 16 24 16 0.667 20 23 0.09 0.013 2.72

30 x 24 24 30 24 0.800 24 14 0.04 0.012 1.81

30 x 20 20 30 20 0.667 24 24 0.09 0.012 3.84

36 x 30 30 36 30 0.833 24 14 0.03 0.011 2.10

36 x 24 24 36 24 0.667 24 28 0.11 0.012 5.48

Values of D, d and L from from ASME B16.9-2003 (page 17-18)

Nominal

Pipe Size,

inches

Nominal

Pipe Size

(smaller dia),

inches

Larger Dia.

D, inches

Smaller

dia. d,

inches

Diameter Ratio

(b = d/D)

Length L,

in.

Included

concentric

Angle q,

Resistance

Coefiicient

based on

smaller dia., K1

Friction

Factor for

turbulent

flow, Ft

Equivalent

length, Le,

m

2 x 1 1 2.374 1.315 0.554 3 20 0.22 0.023 0.32

2 x 1.5 1.5 2.374 1.902 0.801 3 9 0.03 0.021 0.06

3 x 1.5 1.5 3.5 1.902 0.543 3.5 26 0.29 0.021 0.66

3 x 2 2 3.5 2.374 0.678 3.5 18 0.12 0.019 0.38

4 x 2 2 4.5 2.374 0.528 4 30 0.35 0.019 1.10

4 x 3 3 4.5 3.5 0.778 4 14 0.05 0.018 0.25

6 x 3 3 6.626 3.5 0.528 5.5 32 0.37 0.018 1.82

6 x 4 4 6.626 4.5 0.679 5.5 22 0.14 0.017 0.96

8 x 6 6 8.626 6.626 0.768 6 19 0.07 0.015 0.81

8 x 4 4 8.626 4.5 0.522 6 38 0.45 0.017 3.01

10 x 8 8 10.75 8.626 0.802 7 17 0.05 0.014 0.77

10 x 6 6 10.75 6.626 0.616 7 33 0.28 0.015 3.17

12 x 10 10 12.75 10.75 0.843 8 14 0.03 0.014 0.53

12 x 8 8 12.75 8.626 0.677 8 29 0.19 0.014 2.99

12 x 6 6 12.75 6.626 0.520 8 42 0.50 0.015 5.56

14 x 12 12 14 12.75 0.911 13 6 0.00 0.013 0.09

14 x 10 10 14 10.75 0.768 13 14 0.05 0.014 1.06

14 x 8 8 14 8.626 0.616 13 23 0.20 0.014 3.17

14 x 6 6 14 6.626 0.473 13 32 0.43 0.015 4.79

16 x 14 14 16 14 0.875 14 8 0.01 0.013 0.28

16 x 12 12 16 12.75 0.797 14 13 0.04 0.013 0.99

16 x 10 10 16 10.75 0.672 14 21 0.14 0.014 2.81

16 x 8 8 16 8.626 0.539 14 30 0.33 0.014 5.2118 x 16 16 18 16 0.889 15 8 0.01 0.013 0.24

18 x 14 14 18 14 0.778 15 15 0.05 0.013 1.47

18 x 12 12 18 12.75 0.708 15 20 0.11 0.013 2.77

18 x 10 10 18 10.75 0.597 15 27 0.25 0.014 4.93

20 x 18 18 20 18 0.900 20 6 0.00 0.012 0.18

20 x 16 16 20 16 0.800 20 11 0.03 0.013 1.05

20 x 14 14 20 14 0.700 20 17 0.10 0.013 2.74

20 x 12 12 20 12.75 0.638 20 21 0.16 0.013 4.07

CONCENTRIC EXPANDERfor included angle less than 45o

7/27/2019 Total Length Calcs for Pipes Valves and Fittings

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Sudden Expansion & Contraction

Equations:

Sudden Expansion

(Reference: Equation 2.9.1, Crane Technical Paper No. 410M)

Sudden Contract ion

(Reference: Equation 2.10.1, Crane Technical Paper No. 410M)

where:

K1 = Resistance Coefficient (based on smaller diameter)

b = ratio of diameters = d/D

d = diameter of smaller pipe

D = daimeter of larger pipe

Pipe Frict ion Data for Clean Comm ercial Steel Pipe with Flow in Zone of Com plete TurbulenceLine NB Ft (From A-26, Crane Technical Paper No. 410M)

inch

1 0.023

1.5 0.021

2 0.019

3 0.018

4 0.017

6 0.015

8 0.014

10 0.014

12 0.013

14 0.013

16 0.013

18 0.012

20 0.012

24 0.012

30 0.011

36 0.011

22

1 )1( bK

)1(5.0 21 bK

Sheet 5 of 6

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Equation for Equivalent Length

where

Le = Equivalent length in m

d = smaller diameter in inches

Sudden Expansion Sudden Contraction

Size d, in. D, in. b K1 Le, m Size d, in. D, in. b K1 Le, m

2 x 1 1 2 0.5 0.56 0.6 2 x 1 1 2 0.5 0.38 0.4

3 x 1.5 1.5 3 0.5 0.56 1.0 3 x 1.5 1.5 3 0.5 0.38 0.7

3 x 2 2 3 0.67 0.31 0.8 3 x 2 2 3 0.67 0.28 0.7

4 x 2 2 4 0.5 0.56 1.5 4 x 2 2 4 0.5 0.38 1.0

6 x 2 2 6 0.33 0.79 2.1 6 x 2 2 6 0.33 0.44 1.2

8 x 2 2 8 0.25 0.88 2.3 8 x 2 2 8 0.25 0.47 1.3

6 x 3 3 6 0.5 0.56 2.4 6 x 3 3 6 0.5 0.38 1.6

8 x 3 3 8 0.38 0.74 3.1 8 x 3 3 8 0.38 0.43 1.8

10 x 3 3 10 0.30 0.83 3.5 10 x 3 3 10 0.30 0.46 1.9

6 x 4 4 6 0.67 0.31 1.8 6 x 4 4 6 0.67 0.28 1.7

8 x 4 4 8 0.5 0.56 3.4 8 x 4 4 8 0.5 0.38 2.2

10 x 4 4 10 0.4 0.71 4.2 10 x 4 4 10 0.4 0.42 2.512 x 4 4 12 0.33 0.79 4.7 12 x 4 4 12 0.33 0.44 2.7

16 x 4 4 16 0.25 0.88 5.3 16 x 4 4 16 0.25 0.47 2.8

10 x 6 6 10 0.6 0.41 4.2 10 x 6 6 10 0.6 0.32 3.3

12 x 6 6 12 0.5 0.56 5.7 12 x 6 6 12 0.5 0.38 3.8

14 x 6 6 14 0.43 0.67 6.8 14 x 6 6 14 0.43 0.41 4.1

16 x 6 6 16 0.38 0.74 7.5 16 x 6 6 16 0.38 0.43 4.4

20 x 6 6 20 0.30 0.83 8.4 20 x 6 6 20 0.30 0.46 4.6

24 x 6 6 24 0.25 0.88 8.9 24 x 6 6 24 0.25 0.47 4.8

12 x 8 8 12 0.67 0.31 4.5 12 x 8 8 12 0.67 0.28 4.0

14 x 8 8 14 0.57 0.45 6.6 14 x 8 8 14 0.57 0.34 4.9

16 x 8 8 16 0.5 0.56 8.2 16 x 8 8 16 0.5 0.38 5.4

20 x 8 8 20 0.4 0.71 10.2 20 x 8 8 20 0.4 0.42 6.1

24 x 8 8 24 0.33 0.79 11.5 24 x 8 8 24 0.33 0.44 6.5

30 x 8 8 30 0.27 0.86 12.5 30 x 8 8 30 0.27 0.46 6.7

16 x 10 10 16 0.63 0.37 6.7 16 x 10 10 16 0.63 0.30 5.518 x 10 10 18 0.56 0.48 8.7 18 x 10 10 18 0.56 0.35 6.3

20 x 10 10 20 0.50 0.56 10.2 20 x 10 10 20 0.50 0.38 6.8

24 x 10 10 24 0.42 0.68 12.4 24 x 10 10 24 0.42 0.41 7.5

30 x 10 10 30 0.33 0.79 14.3 30 x 10 10 30 0.33 0.44 8.1

36 x 10 10 36 0.28 0.85 15.5 36 x 10 10 36 0.28 0.46 8.4

18 x 12 12 18 0.67 0.31 7.2 18 x 12 12 18 0.67 0.28 6.5

20 x 12 12 20 0.60 0.41 9.6 20 x 12 12 20 0.60 0.32 7.5

24 x 12 12 24 0.50 0.56 13.2 24 x 12 12 24 0.50 0.38 8.8

30 x 12 12 30 0.40 0.71 16.5 30 x 12 12 30 0.40 0.42 9.8

36 x 12 12 36 0.33 0.79 18.5 36 x 12 12 36 0.33 0.44 10.4

20 x 14 14 20 0.70 0.26 7.1 20 x 14 14 20 0.70 0.26 7.0

24 x 14 14 24 0.58 0.44 11.9 24 x 14 14 24 0.58 0.33 9.0

30 x 14 14 30 0.47 0.61 16.7 30 x 14 14 30 0.47 0.39 10.7

36 x 14 14 36 0.39 0.72 19.7 36 x 14 14 36 0.39 0.42 11.6

24 x 16 16 24 0.67 0.31 9.6 24 x 16 16 24 0.67 0.28 8.7

30 x 16 16 30 0.53 0.51 16.0 30 x 16 16 30 0.53 0.36 11.236 x 16 16 36 0.44 0.64 20.1 36 x 16 16 36 0.44 0.40 12.5

30 x 18 18 30 0.60 0.41 15.6 30 x 18 18 30 0.60 0.32 12.2

36 x 18 18 36 0.50 0.56 21.4 36 x 18 18 36 0.50 0.38 14.3

30 x 20 20 30 0.67 0.31 13.1 30 x 20 20 30 0.67 0.28 11.8

36 x 20 20 36 0.56 0.48 20.2 36 x 20 20 36 0.56 0.35 14.6

36 x 24 24 36 0.67 0.31 15.7 36 x 24 24 36 0.67 0.28 14.1

0254.01

dF

KL

t

e

Sheet 6 of 6