Parker Parflex - Page 54

Parker Hannifin Corporation
Parflex Division
Ravenna, Ohio
Bulletin No. 4660-PGP2T
54
Parflex
®
Flexible Gas Piping System
Design and Installation Guide
Section 7.0 Sizing Tables
7.1 CSST Tables (Continued)
Natural Gas
Caution: Locate proper sizing table based on total pressure drop allowed in piping system by local utility for each
installation.
Table 7*
Maximum Flow Capacity of Parker Parflex Tubing in Cubic Feet per Hour
Gas Pressure: 0.5 psi or less; Pressure Drop: 5.0 in. WC
(Based on a 0.60 Specific Gravity Gas)
Part Tube
Tubing Length (ft.)
No. Size 5 10 15 20 25 30 40 50 60 70 80 90 100 125 150 200 250 300 350 400 450 500
PGP-6 3/8”
165 114 92 79 70 64 55 49 44 41 38 36 34 30 28 24 21 19 17 17 16 15
PGP-8 1/2”
383 272 224 194 174 159 138 124 113 105 99 93 89 79 72 63 56 52 48 45 42 41
PGP-12 3/4”
702 518 425 369 331 303 263 236 216 200 187 177 168 151 138 120 107 98 91 85 81 76
PGP-16 1”
1927 1351 1098 947 844 770 664 592 539 498 466 438 415 370 337 291 259 236 218 204 192 182
PGP-20 1-1/4”
3101 2230 1839 1604 1442 1322 1153 1037 951 884 829 784 746 671 615 536 482 442 411 386 364 347
PGP-32 2"
9694 6931 5696 4956 4449 4073 3543 3181 2912 2703 2533 2393 2274 2041 1869 1626 1459 1336 1240 1162 1098 1043
Table 8*
Maximum Flow Capacity of Parker Parflex Tubing in Cubic Feet per Hour
Gas Pressure: 0.5 psi or less; Pressure Drop: 6.0 in. WC
(Based on a 0.60 Specific Gravity Gas)
Part Tube
Tubing Length (ft.)
No. Size 5 10 15 20 25 30 40 50 60 70 80 90 100 125 150 200 250 300 350 400 450 500
PGP-6 3/8”
181 125 101 87 77 70 60 53 48 45 42 39 37 33 30 26 23 21 19 18 17 16
PGP-8 1/2”
420 299 246 214 192 175 152 137 125 116 109 103 98 87 80 70 62 57 53 50 47 45
PGP-12 3/4”
803 571 468 406 364 332 289 259 236 219 205 194 184 165 151 131 117 107 99 93 88 83
PGP-16 1”
2141 1504 1223 1056 942 859 741 662 603 557 521 490 465 415 378 326 291 265 245 229 216 204
PGP-20 1-1/4”
3382 2432 2006 1749 1573 1442 1258 1131 1037 964 904 855 813 731 671 585 526 482 448 420 398 378
PGP-32 2"
10589
7571 6222 5413 4859 4449 3870 3474 3181 2952 2767 2614 2484 2230 2041 1776 1594 1459 1354 1270 1199 1140
Table 9*
Maximum Flow Capacity of Parker Parflex Tubing in Cubic Feet per Hour
Gas Pressure: 2.0 psig; Pressure Drop: 1.0 psig
(Based on a 0.60 Specific Gravity Gas)
Part Tube
Tubing Length (ft.)
No. Size 5 10 15 20 25 30 40 50 60 70 80 90 100 125 150 200 250 300 350 400 450 500
PGP-6 3/8”
389 270 218 187 166 151 129 115 104 96 90 84 80 71 64 55 49 45 41 38 36 34
PGP-8 1/2”
791 568 468 408 366 336 293 263 241 224 210 198 189 170 155 135 122 112 104 97 92 87
PGP-12 3/4”
1468 1063 881 770 695 638 558 503 462 430 404 383 365 329 302 264 238 219 204 191 181 172
PGP-16 1”
4253 2980 2421 2088 1863 1696 1464 1305 1189 1098 1026 965 915 816 743 641 572 521 481 449 423 401
PGP-20 1-1/4”
7004 5037 4154 3623 3258 2987 2605 2343 2148 1932 1874 1771 1685 1515 1389 1212 1090 999 928 871 824 783
PGP-32 2"
22212 15882 13052 11356 10193
9332 8119 7288 6672 5989 5805 5484 5211 4677 4282 3726 3344 3062 2842 2664 2516 2391