A.O. Smith 200 - Page 3

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TABLE 4: HEAT EXCHANGER PRESSURE DROP
GB Models-Flow, Head Loss and Temperature Rise
20 Deg. F Rise 30 Deg. F Rise 40 Deg. F Rise Maximum Flow Rate Minimum Flow Rate
GPM PD-FT GPM PD-FT GPM PD-FT GPM PD-FT Deg. F GPM PD-FT Deg. F
MODEL Head Head Head Head Rise Head Rise
GB - 1000 83.16 5.1 55.4 2.7 41.6 1.5 154 12.2 11 42 1.5 40
GB - 1300 109.2 7.2 72.8 4.2 54.6 3.2 154 14.5 14 55 3.2 40
GB - 1500 126 10.1 84 6.3 63 4.3 154 16.3 17 64 4.3 40
GB - 1850 154 18.5 103.6 10.1 77.7 6.4 154 18.5 20 78 6.4 40
GB - 2100 n/a n/a 117.6 14.5 88.2 8.3 154 21.3 23 89 8.3 40
GB - 2500 n/a n/a 139.4 18.5 104.6 11.6 154 23.2 28 105 11.6 40
TABLE 3: RECOVERY CAPACITIES
Temperature Rise - Degrees °F (°C)
Input Rating Gal/Liter 40°F 50°F 60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F
MODEL BTU/Hr. (kW) per Hr. (22.2°) (27.7°) (33.3°) (38.8°) (44.4°) (50°) (55.5°) (61.1°) (66.7°) (72.2°)
GW - 1000 990,000 (290.1) LPH 9526 7620 6350 5443 4763 4234 3810 3462 3175 2930
GPH 2520 2016 1680 1440 1260 1120 1008 916 840 775
GW - 1300 1,300,000 (380.9) LPH 12508 10006 8339 7148 6256 5560 5005 4547 4169 3848
GPH 3309 2647 2206 1891 1655 1471 1324 1203 1103 1018
GW - 1500 1,500,000 (439.5) LPH 14432 11548 9620 8248 7216 6415 5772 5247 4812 4442
GPH 3818 3055 2545 2182 1909 1697 1527 1388 1273 1175
GW - 1850 1,850,000 (542.0) LPH 17800 14239 11865 10172 8902 7912 7122 6471 5935 5477
GPH 4709 3767 3139 2691 2355 2093 1884 1712 1570 1449
GW - 2100 2,100,000 (615.3) LPH 20204 16163 13472 11548 10104 8981 8082 7348 6736 6218
GPH 5345 4276 3564 3055 2673 2376 2138 1944 1782 1645
GW - 2500 2,490,000 (729.6) LPH 23958 19168 15971 13691 11979 10648 9582 8713 7987 7371
GPH 6338 5071 4225 3622 3169 2817 2535 2305 2113 1950
Note: GW models (GB optional) are equipped with pumps capable of handling 50 equivalent feet
(15.2 m) of normal pipe fittings.