Water Handling Equipment Guide - National Wildfire Coordinating ...

APPENDIXES
B—Pressure and Flow Rates
Pump Pressures for 100-psi Nozzle Pressure
1w inch hose (high pressure)
Tip orifice size (in) 8 x 4 c a 2
Flow (gal/min) 4.7 10.5 18.7 28.7 42.1 74.7
Nozzle reaction (lb) 2.5 5.5 9.8 15.3 22.0 39.25
Loss/100 ft (psi) 0 0 0 1 2 8
Hose Nozzle above
length (ft) pump (ft)
Required pump pressure (psi)
100 0 100 100 100 101 102 108
100 100 143 143 144 144 146 151
200 0 100 100 101 102 105 116
200 100 143 144 144 146 148 159
300 0 100 100 101 103 107 123
300 100 143 144 145 147 151 167
300 200 187 187 188 190 194 210
400 0 100 101 102 105 110 131
400 100 143 144 145 148 153 175
400 200 187 187 189 191 197 218
400 300 230 230 232 234 240 261
500 0 100 101 102 106 112 139
500 100 143 144 146 149 156 182
500 200 187 187 189 192 199 226
500 300 230 231 232 236 242 269
1,000 0 100 102 105 112 125 178
1,000 100 144 145 148 155 168 221
1,000 200 187 188 191 198 211 265
1,000 300 230 231 235 241 255 308
1,000 400 273 275 278 285 298 351
1,000 500 317 318 321 328 341 395
1,000 600 360 361 365 371 385 438
2,000 0 101 103 110 123 150 256
2,000 100 144 146 153 166 193 300
2,000 200 187 190 196 210 236 343
2,000 300 230 233 240 253 279 386
2,000 400 274 276 283 296 323 429
2,000 500 317 320 326 340 366 473
2,000 600 360 363 370 383 409 516
2,000 700 404 406 413 426 453 559
2,000 800 447 449 456 469 496 603
3,000 0 101 105 115 135 174 334
3,000 100 144 148 158 178 218 378
3,000 200 188 191 201 221 261 421
3,000 300 231 235 245 264 304 464
3,000 400 274 278 288 308 348 508
3,000 500 317 321 331 351 391 551
3,000 600 361 364 374 394 434 594
3,000 700 404 408 418 438 477 637
3,000 800 447 451 461 481 521 681
C = 14 for practical use
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