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ENMAS GB POWER SYSTEMS PROJECTS LTDPROJECT: 1 x 12 MW - ITCPIPE SIZING CALCULATION

Length

Pr Temp Pr Te

mm SCH mm mkg/cm2

(a)oC

kg/cm2 (a)

Main steam

Case 1 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 2 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 3 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 4 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 5 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 6 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 7 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 8 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 9 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 10 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Case 11 SA 335 P22 219.1 SCH 120 18.26 1 87.00 520.00 93.40 52Bleed I - Wander (upstream of CV)

Case 11 SA 106 Gr. B 88.9 SCH 40 5.49 1 19.92 382.40 22 3Bleed I - Wander (Downstream of CV &

Upstream of DS) Case 11 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 382.40 13 3Bleed II - HPH & MP Process

Case 1 SA 106 Gr. B 168.3 SCH 40 7.11 1 13.73 314.30 27 3Case 2 SA 106 Gr. B 168.3 SCH 40 7.11 1 17.60 324.80 27 3Case 3 SA 106 Gr. B 168.3 SCH 40 7.11 1 16.99 324.40 27 3Case 4 SA 106 Gr. B 168.3 SCH 40 7.11 1 19.66 339.30 27 3Case 5 SA 106 Gr. B 168.3 SCH 40 7.11 1 22.88 347.50 27 3Case 6 SA 106 Gr. B 168.3 SCH 40 7.11 1 21.45 345.90 27 3Case 7 SA 106 Gr. B 168.3 SCH 40 7.11 1 23.10 347.30 27 3Case 8 SA 106 Gr. B 168.3 SCH 40 7.11 1 24.40 359.30 27 3Case 9 SA 106 Gr. B 168.3 SCH 40 7.11 1 19.77 339.20 27 3Case 10 SA 106 Gr. B 168.3 SCH 40 7.11 1 0.00 0.00 0Case 11 SA 106 Gr. B 168.3 SCH 40 7.11 1 11.04 310.50 27 3Bleed II - Steam to HP Heater

Case 1 SA 106 Gr. B 114.3 SCH 40 6.02 1 13.73 314.30 25 3Case 2 SA 106 Gr. B 114.3 SCH 40 6.02 1 17.60 324.80 25 3Case 3 SA 106 Gr. B 114.3 SCH 40 6.02 1 16.99 324.40 25 3Case 4 SA 106 Gr. B 114.3 SCH 40 6.02 1 19.66 339.30 25 3Case 5 SA 106 Gr. B 114.3 SCH 40 6.02 1 22.88 347.50 25 3Case 6 SA 106 Gr. B 114.3 SCH 40 6.02 1 21.45 345.90 25 3Case 7 SA 106 Gr. B 114.3 SCH 40 6.02 1 23.10 347.30 25 3Case 8 SA 106 Gr. B 114.3 SCH 40 6.02 1 0.00 0.00 0Case 9 SA 106 Gr. B 114.3 SCH 40 6.02 1 19.77 339.20 0Case 10 SA 106 Gr. B 114.3 SCH 40 6.02 1 0.00 0.00 0Case 11 SA 106 Gr. B 114.3 SCH 40 6.02 1 11.04 310.50 25 3Bleed II - Steam to MP Proc ess (Upstream of PCV)

Case 1 SA 106 Gr. B 88.9 SCH 40 5.49 1 0.00 0.00 0Case 2 SA 106 Gr. B 88.9 SCH 40 5.49 1 17.60 324.80 27 3Case 3 SA 106 Gr. B 88.9 SCH 40 5.49 1 16.99 324.40 27 3Case 4 SA 106 Gr. B 88.9 SCH 40 5.49 1 19.66 339.30 27 3Case 5 SA 106 Gr. B 88.9 SCH 40 5.49 1 22.88 347.50 27 3Case 6 SA 106 Gr. B 88.9 SCH 40 5.49 1 21.45 345.90 27 3Case 7 SA 106 Gr. B 88.9 SCH 40 5.49 1 23.10 347.30 27 3

Design

Th k

Operat ing

Desc rip t io n Mater ial

OD

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Length

Pr Temp Pr T

mm SCH mm mkg/cm2

(a)oC

kg/cm2 (a)

Desig

Th k

Operat ing

Desc rip t io n Mater ial

OD

Case 8 SA 106 Gr. B 88.9 SCH 40 5.49 1 24.40 359.30 27 3Case 9 SA 106 Gr. B 88.9 SCH 40 5.49 1 0.00 0.00 0Case 10 SA 106 Gr. B 88.9 SCH 40 5.49 1 0.00 0.00 0Case 11 SA 106 Gr. B 88.9 SCH 40 5.49 1 0.00 0.00 0Bleed II - Steam to MP Proc ess (downs tream of PCV)

Case 1 SA 106 Gr. B 114.3 SCH 40 6.02 1 0.00 0.00 0Case 2 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 324.80 13 3Case 3 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 324.40 13 3Case 4 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 339.30 13 3Case 5 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 347.50 13 3Case 6 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 345.90 13 3Case 7 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 347.30 13 3Case 8 SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 359.30 13 3Case 9 SA 106 Gr. B 114.3 SCH 40 6.02 1 0.00 0.00 0Case 10 SA 106 Gr. B 114.3 SCH 40 6.02 1 0.00 0.00 0Case 11 SA 106 Gr. B 114.3 SCH 40 6.02 1 0.00 0.00 0Bleed II - Steam to MP Proc ess (downs tream of DS)

All cases SA 106 Gr. B 114.3 SCH 40 6.02 1 12.00 190.00 13 2MOM - Nor SA 106 Gr. B 114.3 SCH 40 6.02 1 10.50 210.00 12 2MOM - Min SA 106 Gr. B 114.3 SCH 40 6.02 1 10.00 195.00 11 2MOM - Max SA 106 Gr. B 114.3 SCH 40 6.02 1 11.00 215.00 12 2Bleed III - Steam to LP Process & Deaerator Case 1 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 231.30 7Case 2 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 212.50 7Case 3 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 216.10 7Case 4 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 212.50 7Case 5 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 203.60 7Case 6 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 208.90 7Case 7 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 202.50 7Case 8 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 206.20 7Case 9 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 211.80 7

Case 10 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 212.50 7Case 11 SA 106 Gr. B 406.4 SCH 10 6.35 1 6.50 254.50 7Bleed III - Steam to Deaerator (Upstream of PCV) Case 1 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 231.30 7Case 2 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 212.50 7Case 3 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 216.10 7Case 4 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 212.50 7Case 5 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 203.60 7Case 6 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 208.90 7Case 7 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 202.50 7Case 8 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 206.20 7Case 9 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 211.80 7Case 10 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 212.50 7Case 11 SA 106 Gr. B 219.1 SCH 20 6.35 1 6.50 254.50 7

Bleed III - Steam to LP Process (Upstream of DS) Case 1 SA 106 Gr. B 323.9 SCH 20 6.35 1 0.00 0.00 0Case 2 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 212.50 7Case 3 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 216.10 7Case 4 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 212.50 7Case 5 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 203.60 7

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Length

Pr Temp Pr T

mm SCH mm mkg/cm2

(a)oC

kg/cm2 (a)

Desig

Th k

Operat ing

Desc rip t io n Mater ial

OD

Case 6 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 208.90 7Case 7 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 202.50 7Case 8 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 206.20 7Case 9 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 211.80 7Case 10 SA 106 Gr. B 323.9 SCH 20 6.35 1 6.50 212.50 7Case 11 SA 106 Gr. B 323.9 SCH 20 6.35 1 0.00 0.00 0Bleed III - Steam to LP Process (Downstream of DS) Case 1 SA 106 Gr. B 355.6 SCH 10 6.35 1 0.00 0.00 0Case 2 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 3 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 4 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 5 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 6 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 7 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 8 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 9 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 10 SA 106 Gr. B 355.6 SCH 10 6.35 1 6.50 166.00 7Case 11 SA 106 Gr. B 355.6 SCH 10 6.35 1 0.00 0.00 0MOM - Nor SA 106 Gr. B 355.6 SCH 10 6.35 1 5.10 160.00 0MOM - Min SA 106 Gr. B 355.6 SCH 10 6.35 1 4.90 155.00 0MOM - Max SA 106 Gr. B 355.6 SCH 10 6.35 1 5.50 165.00 0TG cond ensate Case 1 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 53.04 15Case 2 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 53.97 15Case 3 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 54.56 15Case 4 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 53.29 15Case 5 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 53.06 15Case 6 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 52.89 15Case 7 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 52.98 15Case 8 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 52.78 15Case 9 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 53.18 15Case 10 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 53.18 15Case 11 SA 106 Gr. B 88.9 SCH 40 5.49 1 12.00 53.33 15

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DelP

Pressure DropSymbols Units

Nor Min Max Nor F Steam flow TPH 21.00 17.00 27.00 3.00P Steam pressure kg/cm 2(a) 5.10 4.90 5.50 10.50T Steam temperature oC 160.00 155.00 165.00 210.00

rho Density kg/m 3 2.61 2.54 2.78 4.88

D Tube / Pipe OD mm 355.6 355.6 355.6 114.3t Wall thickness mm 6.35 6.35 6.35 6.02d Tube ID mm 342.90 342.90 342.90 102.26

m 0.34 0.34 0.34 0.10No of parallel paths -- 1 1 1 1Resistance Loss

L length m 450 450 450 450entry 20 -- 1 1 1 1exit 40 -- 0 0 0 0squeeze bend (R < 1.5d) 75 -- 0 0 0 0180 bend (R > 1.5d) 50 -- 0 0 0 090 short rad bend (R < 3d) 32 -- 0 0 0 090 std radius (R = 3d) 26 -- 0 0 0 090 long rad bend (R >3d) 20 -- 30 30 30 3045 short rad bend (R < 3d) 15 -- 0 0 0 045 long rad bend (R > 3d) 12 -- 5 5 5 5Reducer 120 -- 0 0 0 0Expander 100 -- 0 0 0 0Tee - entering run 60 -- 0 0 0 0Tee- entering branch 90 -- 0 0 0 0Total equivlent length m 683.17 683.17 683.17 519.54

Steam flow kg/hr 21000 17000 27000 3000kg/s 5.83 4.72 7.50 0.83v Specific volume m 3/kg 0.38 0.39 0.36 0.21A Flow area m 2 0.09 0.09 0.09 0.01

Volumetric Flow m 3/s 2.24 1.86 2.70 0.17V Velocity m/s 24.23 20.17 29.19 20.81

Del_P Pressure drop(steam) kg/cm 2 0.21 0.14 0.33 1.12Pr drop for OD152 TRUE kg/cm2 0.21 0.14 0.33 1.12

Pressure Drop Calculation in ValvesGate Valve Qty 0 0 0 0Globe Valve Qty 0 0 0 0Check Valve Qty 0 0 0 0Y type Valve Qty 0 0 0 0

Del_P Pressure Drop (Valves) kg/cm2 0.00 0.00 0.00 0.00Pressure Drop (Flow element) 0 0 0 0Total Pressure Drop kg/cm2 0.21 0.14 0.33 1.12

o C 0.72 0.51 1.07 2.49

Parameters LP Process

Temperature Drop

M

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DelP

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DelP

Min Max3.00 3.00

10.00 11.00195.00 215.00

4.82 5.06

114.3 114.36.02 6.02

102.26 102.260.10 0.10

1 1

450 4501 10 00 00 00 00 0

30 300 05 50 00 00 00 0

519.54 519.54

3000 30000.83 0.830.21 0.200.01 0.010.17 0.16

21.05 20.06

1.13 1.080.95 0.901.13 1.08

0 00 00 00 0

0.00 0.000 0

1.13 1.082.85 2.31

Process

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S. No Description1 Pipe OD2 Pipe Thickness3 Material of Pipe4 Total Length of Pipe

No of Bendsa) 90 Deg Bends

b) 45 Deg BendsProcess parameter at terminal point(as per MOM dt 3/10/2011)

Nor Min Max Nor Min Max

a) Pressure 4.10 kg/sq m(g) 3.90 kg/sq m(g) 4.50 kg/sq m(g) 10.50 kg/sq m(g) 10.00 kg/sq m(g) 11.00 kg/sq m(g)b) Temperature 160.0 Deg C 155.0 Deg C 165.0 Deg C 210.0 Deg C 195.0 Deg C 215.0 Deg Cc) Flow 21.0 TPH 17.0 TPH 27.0 TPH 3.0 TPH 3.0 TPH 3.0

7 Pressure drop across pipe 0.2 0.1 0.3 1.1 1.1 18 Temperature Drop 0.7 Deg C 0.5 Deg C 1.1 Deg C 2.5 Deg C 2.9 Deg C 2.3 Deg

Steam parameter requirements at theinlet of PRDSa) Pressure 4.3 kg/sq m(g) 4.0 kg/sq m(g) 4.8 kg/sq m(g) 11.6 kg/sq m(g) 11.1 kg/sq m(g) 12.1 kg/sq m(g)b) Temperature 160.7 Deg C 155.5 Deg C 166.1 Deg C 212.5 Deg C 197.9 Deg C 217.3 Deg Cc) Flow 21.0 TPH 17.0 TPH 27.0 TPH 3.0 TPH 3.0 TPH 3.0PRDS will be sized for the followinga) Pressure 5.5 kg/sq m(g) 5.5 kg/sq m(g) 5.5 kg/sq m(g) 12.00 kg/sq m(g) 12.00 kg/sq m(g) 12.00 kg/sq m(g)b) Temperature 167.0 +/- 5 Deg C 167.0 +/- 5 Deg C 167.0 +/- 5 Deg C 217.5 +/- 5 Deg C 217.5 +/- 5 Deg C 217.5 +/- 5 Deg Cc) Flow 21.0 TPH 17.0 TPH 27.0 TPH 3.0 TPH 3.0 TPH 3.0

ENMAS GB POWER SYSTEMS PROJECTS LIMITED1x12MW ITC Limited,Paperboards & Specialty Papers Division. Unit:Tribeni

Pressure drop calculation for process steam pipingLP Steam MP Steam

9

6

9

6.02 mm

450.00 m 450.00 m

30 Nos. 30 Nos.

Note: The Above inputs of pipe lengths & No. of bends are arrived based on option A pipe routing. The indicated pipe length & No.of bends are preliminary.

355.60 mm6.35 mm

SA106GrB SA106GrB

114.30 mm

5 Nos.

5

5 Nos.

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DelP-LP- STG - 300NB

Pressure DropSymbols Units At TP

Pipe rack1-2 3-4

F Steam flow TPH 35.59 27.00 27.00 27.00

P Steam pressure k /cm2

a 6.50 6.28 6.26 6.26 5.86T Steam temperature oC 206.20 205.70 167.00 167.00 165.72

rho Density kg/m 3 2.98 6.35 6.35 3.17

D Tube / Pipe OD mm 406.4 323.9 323.9 323.9t Wall thickness mm 6.35 6.35 6.35 6.35

With tolerance of 8% on thk mm 0.508 0.508 0.508 0.508d Tube ID mm 392.68 310.18 310.18 310.18

m 0.39 0.31 0.31 0.31No of parallel paths -- 1 1 1 1Resistance Loss

L length m 35 4 3 400entry 20 -- 1 0 0 0

exit 40 -- 0 0 0 0squeeze bend (R < 1.5d) 75 -- 0 0 0 0180 bend (R > 1.5d) 50 -- 0 0 0 090 short rad bend (R < 3d) 32 -- 0 0 0 090 std radius (R = 3d) 26 -- 0 0 0 090 long rad bend (R >3d) 20 -- 4 0 0 2545 short rad bend (R < 3d) 15 -- 0 0 0 045 long rad bend (R > 3d) 12 -- 0 0 0 0Reducer 120 -- 0 1 0 0Expander 100 -- 1 0 0 0Tee - entering run 60 -- 0 0 0 0Tee- entering branch 90 -- 1 0 0 0Total equivlent length m 148.88 41.22 3.00 555.09

Steam flow kg/hr 35590 27000 27000 27000kg/s 9.89 7.50 7.50 7.50

v Specific volume m 3/kg 0.34 0.16 0.16 0.32A Flow area m 2 0.12 0.08 0.08 0.08

Volumetric Flow m3/s 3.32 1.18 1.18 2.37V Velocity m/s 27.40 15.63 15.63 31.30

Del_P Pressure drop(steam) kg/cm 2 0.06 0.01 0.00 0.40Pr drop for OD152 TRUE kg/cm2 0.06 0.01 0.00 0.40

Pressure Drop Calculation in ValvesGate Valve Qty 0 1 0 1Globe Valve Qty 0 0 0 0Check Valve Qty 0 0 0 0Y type Valve Qty 0 0 0 0

Del_P Pressure Drop (Valves) kg/cm2 0.00 0.00 0.00 0.00Pressure Drop (Flow element) 0.1 0 0 0Pressure Drop (QCNRV) 0.065 0 0 0Pressure Drop (DSH) 0 0.0 0 0Total Pressure Drop kg/cm2 0.22 0.02 0.00 0.40

oC 0.50 0.04 0.00 1.28

Parameters LP Process

Temperature Drop

Inside Bldg2-3

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DelP-LP- STG - 300NB

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To deaerator

1 to 2 2 to 3 3 to 4Pipe OD 406.40 mm 323.90 mm 323.90 mm

Pipe thk 6.35 mm 6.35 mm 6.35 mmPipe length 35.00 m 7.00 m 400.00 m90 o Elbow 4 Nos. 0 Nos. 25 Nos.

Expander 1 No. 0 No. 0 No.Reducer 0 No. 1 No. 0 No.Tee 1 No. 0 No. 0 No.QCNRV 1 No. 0 No. 0 No.Flow orifice 1 No. 0 No. 0 No.Valve 0 No. 1 No. 1 No.DSH 0 No. 1 No. 0 No.

P 0.22 0.02 0.40T 1.28

Total P

1 to 4

PressureTemperatureFlow(Deaerator+Process beforedesuperheater)(9.688 + 25.902= 35.59)

Parameter at DSH outlet (At point 3)

PressureTemperatureFlow ( ProcessafterDesu erheater

Parameter at Terminal point (At point 4)PressureTemperatureFlow

Pressure

TemperatureFlow

0.64

6.50 ata206.20 DegC

35.59 TPH

5.9 ata

5.5 ata

165.0 DegC27.00 TPH

As per MOM dt 3/10/2011 - Point no. 12 -LP process steam parameter requirement at TerminalPoint

Parameter at Turbine nozzle (At point 1)As per HMBD sheet 8 of 11

165.7 DegC27.00 TPH

6.26 ata167.00 DegC27.00 TPH

QCNRVFlow

orifice

M

DSH

Inside TG Building

1

2 3

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DelP-As per layout - 350NB

Pressure DropSymbols Units At TP

Pipe rack1-2 3-4

F Steam flow TPH 35.59 27.00 27.00 27.00

P Steam pressure k /cm2

a 6.50 6.28 6.27 6.27 6.02T Steam temperature oC 206.20 205.70 167.00 167.00 166.21

rho Density kg/m 3 2.98 6.35 6.35 3.17

D Tube / Pipe OD mm 406.4 355.6 355.6 355.6t Wall thickness mm 6.35 6.35 6.35 6.35

With tolerance of 8% on thk mm 0.508 0.508 0.508 0.508d Tube ID mm 392.68 341.88 341.88 341.88

m 0.39 0.34 0.34 0.34No of parallel paths -- 1 1 1 1Resistance Loss

L length m 35 4 3 400entry 20 -- 1 0 0 0

exit 40 -- 0 0 0 0squeeze bend (R < 1.5d) 75 -- 0 0 0 0180 bend (R > 1.5d) 50 -- 0 0 0 090 short rad bend (R < 3d) 32 -- 0 0 0 090 std radius (R = 3d) 26 -- 0 0 0 090 long rad bend (R >3d) 20 -- 4 0 0 2545 short rad bend (R < 3d) 15 -- 0 0 0 045 long rad bend (R > 3d) 12 -- 0 0 0 0Reducer 120 -- 0 1 0 0Expander 100 -- 1 0 0 0Tee - entering run 60 -- 0 0 0 0Tee- entering branch 90 -- 1 0 0 0Total equivlent length m 148.88 45.03 3.00 570.94

Steam flow kg/hr 35590 27000 27000 27000kg/s 9.89 7.50 7.50 7.50

v Specific volume m 3/kg 0.34 0.16 0.16 0.32A Flow area m 2 0.12 0.09 0.09 0.09

Volumetric Flow m3/s 3.32 1.18 1.18 2.36V Velocity m/s 27.40 12.87 12.87 25.74

Del_P Pressure drop(steam) kg/cm 2 0.06 0.01 0.00 0.25Pr drop for OD152 TRUE kg/cm2 0.06 0.01 0.00 0.25

Pressure Drop Calculation in ValvesGate Valve Qty 0 1 0 1Globe Valve Qty 0 0 0 0Check Valve Qty 0 0 0 0Y type Valve Qty 0 0 0 0

Del_P Pressure Drop (Valves) kg/cm2 0.00 0.00 0.00 0.00Pressure Drop (Flow element) 0.1 0 0 0Pressure Drop (QCNRV) 0.065 0 0 0Pressure Drop (DSH) 0 0.0 0 0Total Pressure Drop kg/cm2 0.22 0.01 0.00 0.25

oC 0.50 0.03 0.00 0.79

Parameters LP ProcessInside Bldg

2-3

Temperature Drop

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DelP-As per layout - 350NB

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DelP-300LP process from Pegging

Pressure DropSymbols Units At TP

Pipe rack1-2 2-3 3-4

F Steam flow TPH 35.11 28.71 30.00

PSteam pressure

kg/cm2

(a)6.50 6.49 6.45 5.95 5.50

T Steam temperature oC 210.00 209.97 167.00 165.41 165rho Density kg/m 3 2.95 6.35 3.27

D Tube / Pipe OD mm 406.4 323.9 323.9t Wall thickness mm 6.35 6.35 6.35

With tolerance of 8% on thk mm 0.508 0.508 0.508d Tube ID mm 392.68 310.18 310.18

m 0.39 0.31 0.31No of parallel paths -- 1 1 1Resistance Loss

L length m 12 17 400entry 20 -- 0 0 0exit 40 -- 0 0 0squeeze bend (R < 1.5d) 75 -- 0 0 0180 bend (R > 1.5d) 50 -- 0 0 090 short rad bend (R < 3d) 32 -- 0 0 090 std radius (R = 3d) 26 -- 0 0 090 long rad bend (R >3d) 20 -- 0 2 2545 short rad bend (R < 3d) 15 -- 0 0 045 long rad bend (R > 3d) 12 -- 0 0 0Reducer 120 -- 0 1 0Expander 100 -- 0 0 0Tee - entering run 60 -- 1 0 1Tee- entering branch 90 -- 0 1 0Total equivlent length m 35.56 94.55 573.70Steam flow kg/hr 35110 28710 30000

kg/s 9.75 7.98 8.33v Specific volume m 3/kg 0.34 0.16 0.31A Flow area m 2 0.12 0.08 0.08

Volumetric Flow m3/s 3.30 1.26 2.55V Velocity m/s 27.28 16.62 33.72

Del_P Pressure drop(steam) kg/cm 2 0.01 0.04 0.49Pr drop for OD152 TRUE kg/cm2 0.01 0.04 0.49

Pressure Drop Calculation in ValvesGate Valve Qty 0 1 1Globe Valve Qty 0 0 0Check Valve Qty 0 0 0Y type Valve Qty 0 0 0

Del_P Pressure Drop (Valves) kg/cm2 0.00 0.00 0.00Pressure Drop (Flow element) 0.0 0 0Pressure Drop (QCNRV) 0.000 0 0Pressure Drop (DSH) 0 0.0 0Total Pressure Drop kg/cm2 0.01 0.04 0.49

oC 0.03 0.09 1.59

Parameters Pegging to LP Process

Temperature Drop

Inside Bldg

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Conn

To deaerator

NRV

From Pegging steam PRDS outlet

QCNRVFlow

orifice

M

Inside TG Building

1

4

M

M

2

DSH

3

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Pipe ODmm

Pipe thkmm

Lengthm

Weightkg

323.9 6.35 407 20239.5355.6 6.35 407 22259.9

Diff 2020.4