Minnesota Administrative Rules
Agency 151 - Labor and Industry Department
Chapter 1346 - MINNESOTA MECHANICAL AND FUEL GAS CODES
MINNESOTA FUEL GAS COD
Part 1346.5402 - SECTION 402 (IFGC) PIPE SIZING

Universal Citation: MN Rules 1346.5402

Current through Register Vol. 49, No. 13, September 23, 2024

Subpart 1. [Repealed, 34 SR 537]

Subp. 2. Section 402.4, Tables.

IFGC Section 402.4 is amended by adding tables as follows:

Table 402.4(2)A

Pipe Sizing Table for Natural Gas

Schedule 40 Metallic Pipe Inlet Pressure 7" wc
For 0.60 Specific Gravity Natural Gas Pressure Drop 1" wc
Nominal 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2
Actual ID 0.364 0.493 0.622 0.824 1.049 1.380 1.610
Length (ft) Maximum Capacity in Cubic Feet of Gas per Hour
10 61 135 248 518 976 2004 3003
20 42 93 170 356 671 1378 2064
30 34 74 137 286 539 1106 1657
40 29 64 117 245 461 947 1419
50 25 56 104 217 409 839 1257
60 23 51 94 197 370 760 1139
80 20 44 80 168 317 651 975
100 17 39 71 149 281 577 864
125 16 34 63 132 249 511 766
150 14 31 57 120 226 463 694
175 13 29 53 110 208 426 638
200 12 27 49 102 193 396 594
250 11 24 43 91 171 351 626
300 10 21 39 82 155 318 477
350 9 20 36 76 143 293 439
400 8 18 34 70 133 272 408
450 8 17 32 66 124 256 383
500 7 16 30 62 118 241 362
Nominal 2 2-1/2 3 4 5 6 8
Actual ID 2.067 2.469 3.068 4.026 5.047 6.065 7.891
Length (ft) Maximum Capacity in Cubic Feet of Gas per Hour
10 5784 9218 16296 33239 60134 97370 194195
20 3975 6336 11200 22845 41330 66922 133469
30 3192 5088 8994 18345 33189 53741 107181
40 2732 4354 7698 115701 28406 45995 91733
50 2421 3859 6822 13916 25175 40765 81301
60 2194 3497 6182 12609 22811 36936 73665
80 1878 2993 5291 10791 19523 31612 63047
100 1664 2652 4689 9564 17303 28017 55878
125 1475 2351 4156 8477 15335 24831 49523
150 1336 2130 3765 7680 13895 22499 44872
175 1229 1960 3464 7066 12783 20699 41281
200 1144 1823 3223 6573 11892 19256 38404
250 1014 1616 2856 5826 10540 17066 34037
300 918 1464 2588 5279 9550 15463 30840
350 845 1347 2381 4856 8786 14226 28373
400 786 1253 2215 4518 8173 13235 26395
450 738 1176 2078 4239 7669 12418 24766
500 697 1110 1963 4004 7244 11730 23394

Statutory Authority: MS s 16B.59; 16B.61; 16B.64; 326B.101; 326B.106; 326B.13

Disclaimer: These regulations may not be the most recent version. Minnesota may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.