Water Handling Equipment Guide - National Wildfire Coordinating ...
Water Handling Equipment Guide - National Wildfire Coordinating ...
Water Handling Equipment Guide - National Wildfire Coordinating ...
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APPENDIXES<br />
B—Pressure and Flow Rates<br />
Pump Pressures for 100-psi Nozzle Pressure<br />
1-inch hose<br />
Tip orifice size (in) 8 x 4 c a 2<br />
Flow (gal/min) 4.7 10.5 18.7 28.7 42.1 74.7<br />
Nozzle reaction (lb) 2.5 5.5 9.8 15.3 22.0 39.3<br />
Loss/100 ft (psi) 1 3 8 19 40 127<br />
Hose Nozzle above<br />
length (ft) pump (ft)<br />
Required pump pressure (psi)<br />
100 0 101 103 108 119 140 227<br />
100 100 144 146 151 162 184 271<br />
200 0 101 105 116 138 181 354<br />
200 100 144 148 159 181 224 398<br />
300 0 102 108 124 156 221 482<br />
300 100 145 151 167 200 265 525<br />
300 200 188 194 210 243 308 568<br />
400 0 102 110 132 175 262 609<br />
400 100 145 153 175 218 305 652<br />
400 200 189 197 218 262 348 695<br />
400 300 232 240 262 305 392 739<br />
500 0 103 113 140 194 302 736<br />
500 100 146 156 183 237 345 779<br />
500 200 189 199 226 280 389 823<br />
500 300 232 242 270 324 432 866<br />
1,000 0 105 125 180 288 504 1,372<br />
1,000 100 148 168 223 331 547 1,416<br />
1,000 200 192 212 266 374 591 1,459<br />
1,000 300 235 255 310 418 634 1,502<br />
1,000 400 278 298 353 461 677 1,545<br />
1,000 500 321 342 396 504 721 1,589<br />
1,000 600 365 385 439 548 764 1,632<br />
C = 228 for practical use<br />
188
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