15
[Gas pipe sizing tables]
• These tables are for reference only. Consult gas pipe manufacturer for actual pipe capacities.
• It is an example of Copper Pipe (AS 1432 TypeB) and Natural Gas.
• Values in Table are in MJ of Gas per Hour.
1. Maximum Natural Gas Delivery Capacity (For supply pressure around 1.25 kPa) - COPPER PIPE (AS 1432 TYPE B) [MJ/h]
Pipe
Size
0.12 kPa Pressure Drop
Length (including fittings) : metres
2
4
6
8
10
12
14
16
18
20
25
30
35
40
45
50
55
60
15
62
43
34
29
26
22
19
17
15
–
–
–
–
–
–
–
–
–
20
206
141
114
97
86
78
72
67
63
59
52
48
44
41
37
33
30
28
25
452
311
249
214
189
171
158
147
138
130
115
104
96
89
84
79
75
72
32
867
596
478
409
363
329
302
281
264
249
221
200
184
171
161
152
144
138
40
1459 1002
805
689
611
553
509
474
444
420
372
337
310
288
271
256
243
232
50
3356 2307 1852 1585 1405 1273 1171 1090 1022
966
856
776
713
664
623
588
559
533
65
6217 4273 3431 2937 2603 2358 2169 2018 1894 1789 1585 1436 1321 1229 1154 1090 1035
987
80
9884 6794 5455 4669 4138 3750 3450 3209 3011 2844 2521 2284 2101 1955 1834 1732 1645 1570
100
–
–
–
–
–
–
–
–
– 6286 5571 5048 4644 4320 4054 3829 3637 3469
125
–
–
–
–
–
–
–
–
– 11520 10210 9251 8511 7918 7429 7017 6665 6358
150
–
–
–
–
–
–
–
–
– 18531 16423 14881 13690 12736 11950 11288 10720 10227
2. Maximum Natural Gas Delivery Capacity (For supply pressure around 1.5-2.5 kPa) - COPPER PIPE (AS 1432 TYPE B) [MJ/h]
Pipe
Size
0.25 kPa Pressure Drop
Length (including fittings) : metres
2
4
6
8
10
12
14
16
18
20
25
30
35
40
45
50
55
60
15
93
64
51
44
39
35
32
30
258
–
–
–
–
–
–
–
–
–
20
306
210
169
145
128
116
107
99
93
88
78
71
65
61
57
54
51
49
25
672
462
371
318
281
255
235
218
205
193
171
155
143
133
125
118
112
107
32
1289
886
712
609
540
489
450
419
393
371
329
298
274
255
239
226
215
205
40
2170 1491 1197 1025
908
823
757
704
661
624
553
501
461
429
403
380
361
345
50
4993 3431 2755 2358 2090 1894 1742 1621 1521 1437 1273 1154 1061
987
926
875
831
793
65
9247 6355 5104 4368 3871 3508 3227 3002 2817 2661 2358 2137 1966 1829 1716 1621 1539 1469
80
14703 10105 8115 6945 6155 5577 5131 4773 4479 4231 3750 3397 3125 2908 2728 2577 2448 2335
100
–
–
–
–
–
–
–
–
– 9350 8287 7509 6908 6426 6030 5696 5409 5161
125
–
–
–
–
–
–
–
–
– 17136 15187 13761 12660 11777 11050 10438 9914 9458
150
–
–
–
–
–
–
–
–
– 27564 24429 22135 20363 18944 17775 16790 15946 15213
3. Maximum Natural Gas Delivery Capacity (For supply pressure around 2.75-5 kPa) - COPPER PIPE (AS 1432 TYPE B) [MJ/h]
Pipe
Size
0.75 kPa Pressure Drop
Length (including fittings) : metres
2
4
6
8
10
12
14
16
18
20
25
30
35
40
45
50
55
60
15
168
115
93
79
70
64
59
54
51
48
43
39
36
33
31
29
28
27
20
554
381
306
262
232
210
193
180
169
160
141
128
118
110
103
97
92
88
25
1218
837
672
575
510
462
425
396
371
351
311
281
259
241
226
214
203
193
32
2336 1606 1289 1104
978
886
815
758
712
672
596
540
497
462
433
409
389
371
40
3931 2702 2170 1857 1646 1491 1372 1276 1197 1131 1002
908
836
777
729
689
654
624
50
9046 6217 4993 4273 3787 3431 3157 2937 2755 2603 2307 2090 1923 1789 1678 1585 1506 1437
65
16754 11515 9247 7914 7014 6355 5847 5439 5104 4821 4273 3871 3562 3313 3109 2937 2789 2661
80
26639 18309 14703 12584 11153 10105 9297 8649 8110 7665 6794 6155 5663 5268 4943 4669 4435 4231
100
–
–
–
–
–
–
–
–
– 16941 15015 13604 12516 11644 10925 10320 9801 9350
125
–
–
–
–
–
–
–
–
– 31048 27517 24932 22938 21339 20022 18912 17962 17136
150
–
–
–
–
–
–
–
–
– 49941 44262 40104 36896 34324 32205 30421 28892 27564
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