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| Theoretical Discharge of Nozzles in U S Gallons Per Minute | |||||||||||||||
| Head | Velocity
of disch ft/sec |
Diameter of nozzle in inches | |||||||||||||
| psi | feet | 1/16 | 1/8 | 3/16 | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | |
| 10
15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 130 140 150 175 200 250 300 |
23.1
34.6 46.2 57.7 69.3 80.8 92.4 103.9 115.5 127.0 138.6 150.1 161.7 173.2 184.8 196.3 207.9 219.4 230.9 242.4 254.0 265.5 277.1 300.2 323.3 346.4 404.1 461.9 577.4 692.8 |
38.6
47.25 54.55 61.0 66.85 72.2 77.2 81.8 86.25 90.5 94.5 98.3 102.1 105.7 109.1 112.5 115.8 119.0 122.0 125.0 128.0 130.9 133.7 139.1 144.3 149.5 161.4 172.6 193.0 211.2 |
0.37
0.45 0.52 0.58 0.64 0.69 0.74 0.78 0.83 0.87 0.90 0.94 0.98 1.01 1.05 1.08 1.11 1.14 1.17 1.20 1.23 1.25 1.28 1.33 1.38 1.43 1.55 1.65 1.85 2.02 |
1.48
1.81 2.09 2.34 2.56 2.77 2.96 3.13 3.30 3.46 3.62 3.77 3.91 4.05 4.18 4.31 4.43 4.56 4.67 4.79 4.90 5.01 5.12 5.33 5.53 5.72 6.18 6.61 7.39 8.08 |
3.32
4.06 4.69 5.25 5.75 6.21 6.64 7.03 7.41 7.77 8.12 8.45 8.78 9.08 9.39 9.67 9.95 10.20 10.50 10.80 11.00 11.20 11.50 12.00 12.40 12.90 13.90 14.80 16.60 18.20 |
5.91
7.24 8.35 9.34 10.20 11.10 11.80 12.50 13.20 13.80 14.50 15.10 15.70 16.20 16.70 17.30 17.70 18.20 18.20 19.20 19.60 20.00 20.50 21.30 22.10 22.90 24.70 26.40 29.60 32.40 |
13.3
16.3 18.8 21.0 23.0 24.8 26.6 28.2 29.7 31.1 32.5 33.8 35.2 36.4 37.6 38.8 39.9 41.0 42.1 43.1 44.1 45.1 46.0 48.0 49.8 51.6 55.6 59.5 66.5 72.8 |
23.6
28.9 33.4 37.3 40.9 44.2 47.3 50.1 52.8 55.3 57.8 60.2 62.5 64.7 66.8 68.9 70.8 72.8 74.7 76.5 78.4 80.1 81.8 85.2 88.4 91.5 98.8 106.00 118.00 129.00 |
36.9
45.2 52.2 58.3 63.9 69.0 73.8 78.2 82.5 86.4 90.4 94.0 97.7 101.00 104.00 108.00 111.00 114.00 117.00 120.00 122.00 125.00 128.00 133.00 138.00 143.00 154.00 165.00 185.00 202.00 |
53.10
65.00 75.10 84.00 92.00 99.50 106.00 113.00 119.00 125.00 130.00 136.00 141.00 146.00 150.00 155.00 160.00 164.00 168.00 172.00 176.00 180.00 184.00 192.00 199.00 206.00 222.00 238.00 266.00 291.00 |
72.4
88.5 102.00 114.00 125.00 135.00 145.00 153.00 162.00 169.00 177.00 184.00 191.00 198.00 205.00 211.00 217.00 223.00 229.00 234.00 240.00 245.00 251.00 261.00 271.00 280.00 302.00 323.00 362.00 396.00 |
94.5
116.00 134.00 149.00 164.00 177.00 188.00 200.00 211.00 221.00 231.00 241.00 250.00 259.00 267.00 276.00 284.00 292.00 299.00 306.00 314.00 320.00 327.00 341.00 354.00 366.00 395.00 423.00 473.00 517.00 |
120
147 169 189 207 224 239 253 267 280 293 305 317 327 338 349 359 369 378 388 397 406 414 432 448 463 500 535 598 655 |
148
181 209 234 256 277 296 313 330 346 362 376 391 404 418 431 443 456 467 479 490 501 512 533 553 572 618 660 739 808 |
179
219 253 283 309 334 357 379 399 418 438 455 473 489 505 521 536 551 565 579 593 606 619 645 668 692 747 799 894 977 |
| 1 ½ | 1 ¾ | 2 | 2 ¼ | 2 ½ | 2 ¾ | 3 | 3 ½ | 4 | 4 ½ | 5 | 5½ | 6 | |||
| 10
15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 130 140 150 175 200 250 300 |
23.1
34.6 46.2 57.7 69.3 80.8 92.4 103.90 115.50 127.00 138.60 150.10 161.70 173.20 184.80 196.30 207.90 219.40 230.90 242.40 254.00 265.50 277.10 300.20 323.30 346.40 404.10 461.90 577.40 692.80 |
38.60
47.25 54.55 61.00 66.85 72.20 77.20 81.80 86.25 90.40 94.50 98.30 102.10 105.70 109.10 112.50 115.80 119.00 122.00 125.00 128.00 130.90 133.70 139.10 144.30 149.50 161.40 172.60 193.00 211.20 |
213
260 301 336 368 398 425 451 475 498 521 542 563 582 602 620 638 656 672 689 705 720 736 767 795 824 890 950 1063 1163 |
289
354 409 458 501 541 578 613 647 678 708 737 765 792 818 844 868 892 915 937 960 980 1002 1043 1082 1120 1210 1294 1447 1582 |
378
463 535 598 655 708 756 801 845 886 926 964 1001 1037 1070 1103 1136 1168 1196 1226 1255 1282 1310 1365 1415 1466 1582 1691 1891 2070 |
479
585 676 756 828 895 957 1015 1070 1121 1172 1220 1267 1310 1354 1395 1436 1476 1512 1550 1588 1621 1659 1726 1790 1853 2000 2140 2392 2615 |
591
723 835 934 1023 1106 1182 1252 1320 1385 1447 1506 1565 1619 1672 1723 1773 1824 1870 1916 1961 2005 2050 2132 2212 2290 2473 2645 2955 3235 |
714
874 1009 1128 1236 1335 1428 1512 1595 1671 1748 1819 1888 1955 2020 2080 2140 2200 2255 2312 2366 2420 2470 2575 2650 2760 2985 3190 3570 3900 |
851
1041 1203 1345 1473 1591 1701 1802 1900 1991 2085 2165 2250 2330 2405 2480 2550 2625 2690 2755 2820 2885 2945 3070 3180 3295 3560 3800 4250 4650 |
1158
1418 1638 1830 2005 2168 2315 2455 2590 2710 2835 2950 3065 3170 3280 3375 3475 3570 3660 3750 3840 3930 4015 4175 4330 4485 4840 5175 5795 6330 |
1510
1850 2135 2385 2615 2825 3020 3200 3375 3540 3700 3850 4000 4135 4270 4400 4530 4655 4775 4890 5010 5120 5225 5450 5650 5850 6310 6760 7550 8260 |
1915
2345 2710 3025 3315 3580 3830 4055 4275 4480 4685 4875 5060 5240 5410 5575 5740 5900 6050 6200 6340 6490 6630 6900 7160 7410 8000 8550 9570 10480 |
2365
2890 3340 3730 4090 4415 4725 5000 5280 5530 5790 6020 6250 6475 6690 6890 7090 7290 7470 7650 7840 8010 8180 8530 8850 9150 9890 10580 11820 12940 |
2855
3490 4040 4510 4940 5340 5610 6050 6380 6690 6980 7270 7560 7820 8080 8320 8560 8800 9030 9260 9470 9680 9900 10300 10690 11070 11940 12770 14290 15620 |
3405
4165 4810 5380 5895 6370 6810 7120 7600 7970 8330 8670 9000 9320 9630 9920 10210 10500 10770 11020 11300 11550 11800 12290 12730 13200 14250 15220 17020 18610 |