INPUTOUTPUT
PIPE MATERIAL = REFER TABLE
DESIGN TEMPERATURE TEMP = 32DESIGN PRESSURE P = 4000 kPaAllowable Stress S = 266827.17 kpa
Y = 0.4E = 0.85
Outer Dia of Pipe D = 355.6 mmMechanical Allowance c = 0.5 mmWeld Joint Efficiency W = 1
tm = 3.61 Thickness accepted as it is <D/6
check tm<D/6 = 59.27
Thickness of pipe selected T = 5.2 Selected Pipe THK AcceptedThickness to compare Tc = 4.55 After considering Manufacturing Tolerance 12.5%.
Allowable Pressure Pa = 5202.66 kPa 52.03
CONVERSIONksi kPa
38.7 266827.173
Branch reinforcement calculation
DESIGN PRESSURE RANGE = 0 TO 20 BargCORROSION ALLOWENCE "c" = 0
BRANCH ANGLE = 90 Sin90 1HEADER PIPE
SIZE = 36" (900NB) E =OD = 914.4THK = 12.70
= 11.11 THK AFTER REDUCING MILL TOLERANCE (12.5%)
0 C
Th
BRANCH PIPESIZE = 2" (50NB) E =OD = 60.33THK = 3.18
= 2.78 THK AFTER REDUCING MILL TOLERANCE (12.5%) REINFORCEMENT PAD PIPE
SIZE = 1" (25NB)OD = 33.4THK = 0
= 0 THK AFTER REDUCING MILL TOLERANCE (12.5%)
= 27.786.95
= 6.95
= 54.77= 41.275
HIGHEST VALUE BETWEEN d1 & d2 = 54.77
= 3.42= 0.16= 2.226
MIN. LEG DIM. OF FILLET WELD = 3.15
= 187.31= 421.18= 145.57= 4.96
A2+A3+A4 = 571.71
RESULT = NO ADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSURE
Tb
Tr
L4
LESSER VALUE OF L4 SELECTED
d1
d2
th
tb
tc
REQ. REINF. AREA ( A1)
THE REINF AREA IN RUN WALL (A2)
THE REINF AREA IN BR WALL (A3)
THE REINF AREA IN BR WELD (A4)
PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE
MATERIAL ASTM A-312 TP316L (E=0.85)PIPE SIZE 1" (25NB) 1.5" (40NB) 2" (50NB) 2.5" (65NB) 3" (75NB) 4" (100NB)PIPE OD 33.4 48.26 60.33 73.03 88.9 114.3
Des
ign
Pres
sure
(Bar
g)
10
2.9 (SCH30) 3.68 (SCH 40)
3.18 (SCH30)3.05 SCH10
3.05 SCH103.05 SCH10
1520
4.78 SCH30
25
4.78 SCH30
30
4.78 SCH303540
3.91 (SCH40)4548 6.02 SCH40
Selected Pipe THK AcceptedAfter considering Manufacturing Tolerance 12.5%.
Barg Allowable Internal Design pressure with THK 5.2mm
2000 kPa
1
THK AFTER REDUCING MILL TOLERANCE (12.5%)
0.8
THK AFTER REDUCING MILL TOLERANCE (12.5%)
THK AFTER REDUCING MILL TOLERANCE (12.5%)
NO ADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSURE
PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE
ASTM A-312 TP316L (E=0.85) ASTM A-358 CLASS 5 316L (E=0.9)5" (125NB) 6" (150NB) 8" (200NB) 10" (250NB) 12" (300NB) 14" (350NB) 16" (400NB)
141.3 168.28 219.08 273.05 323.85 355.6 406.4
3.4 SCH10 3.4 SCH10 3.76 SCH104.19 SCH10
4.57 SCH10 4.78 SCH10S6.35 SCH10
6.35 SCH20
6.55 SCH40 7.11 SCH40
6.35 SCH206.35 SCH20
6.35 SCH10
7.92 SCH207.92 SCH20
7.8 SCH30 8.38 SCH309.53 SCH30
7.04 SCH30 9.53 SCH30
12.7 SCH408.18 SCH40
9.27 SCH40 10.31 SCH40 11.13 SCH40
12.7 SCH60 14.27 SCH60 15.09 SCH60
PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE
ASTM A-358 CLASS 1 316L (E=1.0)18" (450NB) 20" (500NB) 22" (550NB) 24" (600NB) 26" (650NB) 28" (700NB) 30" (750NB)
457.2 508 558.8 609.6 660.4 711.2 762
6.35 SCH106.35 SCH10 6.35 SCH10 6.35 SCH10 7.92 SCH10 7.92 SCH10
6.35 SCH5S7.92 SCH10
9.53 SCH209.53 SCH20 9.53 SCH20
9.53 SCH-STD 9.53 SCH-STD 9.53 SCH-STD7.92 SCH20
12.7 SCH20 12.7 SCH2012.7 SCH20
11.13 SCH3012.7 SCH30
14.27 SCH3015.88 SCH30
12.7 SCH30 15.88 SCH30
22.23 SCH6014.27 SCH40 15.09 SCH40 17.48 SCH40
HIGHER THICKNESS
NOT AVAILAVLE
HIGHER THK NOT
AVAILAVLEHIGHER THK NOT
AVAILAVLE
PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE
ASTM A-358 CLASS 1 316L (E=1.0)32" (800NB) 34" (850NB) 36" (900NB)
812.8 863.6 914.4
7.92 SCH107.92 SCH10 7.92 SCH10
9.53 SCH-STD 9.53 SCH-STD
12.7 SCH20 12.7 SCH2012.7 SCH20
15.88 SCH3015.88 SCH30
15.88 SCH3019.05 SCH40
HIGHER THK NOT
AVAILAVLEHIGHER THK
NOT AVAILAVLE
HIGHER THK NOT
AVAILAVLE
PIPE OD 33.4 48.26 60.33 73.03 88.91 2 3 4 5 6
Des
ign
Pres
sure
(Bar
g)
10 2.9 3.68 3.18 3.05 3.0515 2.9 3.68 3.18 3.05 3.0520 2.9 3.68 3.18 3.05 3.0525 2.9 3.68 3.18 3.05 4.7830 2.9 3.68 3.18 4.78 4.7835 2.9 3.68 3.18 4.78 4.7840 2.9 3.68 3.91 4.78 4.7845 2.9 3.68 3.91 4.78 4.7848 2.9 3.68 3.91 4.78 4.78
Thickness accepted as it is <D/6
Thickness Rejected
Selected Pipe THK AcceptedSelected Pipe THK Reject
NO ADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSUREADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSURE
THICKNESS OF PIPE IS NOT AVAILABLE FOR PRESSURE 20 BargTHK NA
0.80.85
0.9
1
114.3 141.3 168.28 219.08 273.05 323.85 355.6 406.4 457.2 5087 8 9 10 11 12 13 14 15 16
3.05 3.4 3.4 3.76 4.19 4.57 4.78 6.35 6.35 6.353.05 3.4 3.4 3.76 6.35 4.57 4.78 6.35 6.35 6.354.78 6.55 7.11 6.35 6.35 6.35 6.35 6.35 6.35 9.534.78 6.55 7.11 6.35 6.35 6.35 7.92 7.92 7.92 9.534.78 6.55 7.11 6.35 7.8 8.38 7.92 9.53 11.13 9.534.78 6.55 7.11 7.04 7.8 8.38 9.53 12.7 11.13 12.74.78 6.55 7.11 8.18 9.27 10.31 11.13 12.7 11.13 12.76.02 6.55 7.11 8.18 9.27 10.31 11.13 12.7 14.27 15.096.02 6.55 7.11 8.18 12.7 14.27 15.09 12.7 14.27 15.09
558.8 609.6 660.4 711.2 762 812.8 863.6 914.417 18 19 20 21 22 23 24
6.35 6.35 7.92 7.92 6.35 7.92 7.92 7.926.35 6.35 7.92 7.92 7.92 7.92 9.53 9.539.53 9.53 9.53 9.53 9.53 12.7
12.712.7
9.53 9.53 12.7 12.7 12.7 12.7 15.8812.7 14.27 12.7 12.7 15.88 15.88 15.88 15.8812.7 14.27 THK NA 15.88 15.88 15.88 THK NA 19.05
22.23 14.27 THK NA 15.88 THK NA THK NA THK NA THK NA22.23 17.48 THK NA THK NA THK NA THK NA THK NA THK NA22.23 17.48 THK NA THK NA THK NA THK NA THK NA THK NA
BRA
NCH
SIZ
E
32 T T EQUAL TEE
30 TR T TR EQUAL TEE + REDUCER
28 TR/ST TR T ST STUB IN
26 TR/ST TR/ST TR T HC HALF COUPLING
24 ST TR/ST TR/ST TR T TR/ST IF SPACE AVIALABLE THEN USE TEE+REDUCER UNLESS USE STUB IN
22 ST ST TR/ST TR/ST TR T STR STUB IN WITH REINFORCEMENT PAD
20 ST ST ST TR/ST TR/ST TR T
18 ST ST ST ST TR/ST TR/ST TR T
16 ST ST ST ST ST TR/ST TR/ST TR T
14 ST ST ST ST ST ST TR/ST TR/ST TR T
12 ST ST ST ST ST ST ST TR/ST TR/ST TR T
10 ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
8 ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
6 ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
4 ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
3 ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
2 ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
1.5 ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
1 ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
0.75 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR T
0.5 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR TR T
32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 3 2 1.5 1 0.75 0.5
HEADER SIZE
90 0 BRANCH CONNECTION TABLE AT DESIGN PRESSURE RANGE 0-10 Barg
BRA
NCH
SIZ
E
32 T T EQUAL TEE
30 TR T TR EQUAL TEE + REDUCER
28 TR/ST TR T ST STUB IN
26 TR/ST TR/ST TR T HC HALF COUPLING
24 ST TR/ST TR/ST TR T TR/ST IF SPACE AVIALABLE THEN USE TEE+REDUCER UNLESS USE STUB IN
22 ST ST TR/ST TR/ST TR T
20 ST ST ST TR/ST TR/ST TR T
18 ST ST ST ST TR/ST TR/ST TR T
16 ST ST ST ST ST TR/ST TR/ST TR T
14 ST ST ST ST ST ST TR/ST TR/ST TR T
12 ST ST ST ST ST ST ST TR/ST TR/ST TR T
10 ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
8 ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
6 ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
4 ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
3 ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
2 ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
1.5 ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
1 ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T
0.75 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR T
0.5 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR TR T
32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 3 2 1.5 1 0.75 0.5
HEADER SIZE
90 0 BRANCH CONNECTION TABLE AT DESIGN PRESSURE RANGE 0-10 Barg
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