TABLE NO. 1
NFPA 1901 TEST
TEST Recom- Min. Min. Min. Net Disch. Suction
No. GPM mended Nozzle Disch. Pump Lines Hose
Nozzles Press. PSI Press. PSI Press. PSI
1 2500 (2), 2-1/4” 69 144 150
2 1750 (2), 2” 55 195 200 Siamesed
3 1250 (2), 1-1/2” 88 246 250
4 2500 (2), 2-1/4” 69 159 165
1 3000 (2), 2-1/2” 65 146 150
2 2100 (2), 2” 78 196 200 Siamesed
3 1500 (2), 1-3/4” 68 247 250
4 3000 (2), 2-1/2” 65 161 165
1 3000 (2), 2-1/2” 65 96 100
2 2100
(2), 2”
78 146 150
Siamesed
3 1500
(2), 1-3/4”
68 197 200
2 2450 (2), 2-1/4” 67 146 150 &
3 1750 (2), 2” 55 197 200
Min. discharge pressures listed above are for pumps operating with full 10’ static suction lift. These
pressures must be increased by 1 PSI for each 2.3 ft. less than 10’ of lift.
3500 GPM Industrial Fire Pump
3000 GPM Industrial Fire Pump
IF FURTHER INFORMATION IS NEEDED, CALL W.S. DARLEY & CO. AT
CHIPPEWA FALLS, WI. AT 800-634-7812 or 715-726-2650
Prepared by: CJC
Approved by: WAH
Revised by: CWY
Rev. #: 4
Date: 7/8/13
1201500