Convert Fixture Units to Building GPM Load
Total
Fixture Flow
Units		 NAMCO's
Recommended
GPM Load		 Hunter's Curve
Recommended GPM
Load
Apts.
Office Buildings
GPM		 Hotel
Motel
GPM		 Industrial
Municipal
Hospital
GPM		 *Hunter's Curve
GPM
200 73 82 95 100
250 76 85 98 100
300 80 90 100 110
400 85 95 110 115
500 90 98 115 120
600 100 100 120 141
900 120 125 135 193
1200 135 145 155 232
1500 150 165 185 270
1750 170 185 200 295
2000 190 200 200 326
2500 220 240 260 380
3000 250 275 300 432
4000 300 340 365 see local
codes
5000 350 400 430
6000 400 450 490

Notes:
7000 450 500 540
8000 490 550 600
10,000 600 675 769
**Cooling Towers GPM **Swimming Pools GPM
**Lawn Sprinkler GPM **Fire Demand 250 GPM per 2½ Outlet GPM

Total System Load    =__________GPM
** Additional Load    =__________GPM
Total                         =__________GPM

*    Hunter's Curve:  These Figures may be required by local codes.
**  Add any other loads that may exist (Cooling Towers, Swimming pools, Commercial kitchens, or Commercial washer loads) to the system load.

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