architecture - engineering - construction
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Hastings Industries Inc.
Steam & Water Heating
Steam & Water Heating - Page 5
Steam & Water Heating
STEAM CONVERSION FACTORS * |
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| Ent. Air Temp. F*. | Steam Pressure At Coil - PSIG |
Ent. Air Temp. F* | Steam Pressure At Coil - PSIG |
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| 5 | 10 | 15 | 20 | 25 | 30 | 35 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | ||
| -20 | 1.032 | 1.084 | 1.127 | 1.165 | 1.198 | 1.228 | 1.256 | 30 | .8253 | .875 | .918 | .956 | .989 | 1.019 | 1.047 |
| -15 | 1.011 | 1.063 | 1.106 | 1.144 | 1.177 | 1.207 | 1.235 | 35 | .802 | .854 | .897 | .935 | .968 | .998 | 1.026 |
| -10 | .990 | 1.042 | 1.085 | 1.123 | 1.156 | 1.186 | 1.214 | 40 | .782 | .833 | .876 | .914 | 947. | .977 | 1.005 |
| -5 | .970 | 1.021 | 1.064 | 1.102 | 1.135 | 1.165 | 1.193 | 45 | .761 | .812 | .855 | .893 | .926 | .957 | .984 |
| 0 | .949 | 1.000 | 1.043 | 1.081 | 1.114 | 1.144 | 1.172 | 50 | .740 | .791 | .834 | .872 | .906 | .936 | .963 |
| 5 | .928 | .979 | 1.022 | 1.060 | 1.094 | 1.124 | 1.151 | 55 | .719 | .771 | .813 | .885 | .885 | .915 | .942 |
| 10 | .907 | .958 | 1.001 | 1.039 | 1.073 | 1.103 | 1.130 | 60 | .698 | .749 | .792 | .830 | .864 | .894 | .921 |
| 15 | .886 | .937 | .980 | 1.018 | 1.052 | 1.082 | 1.109 | 65 | .677 | .728 | .772 | .810 | .843 | .873 | .901 |
| 20 | .865 | .916 | .959 | .997 | 1.031 | 1.061 | 1.089 | 70 | .656 | .708 | .751 | .789 | .822 | .852 | .880 |
| 25 | .844 | .896 | .939 | .977 | 1.010 | 1.040 | 1.068 | 75 | .635 | .687 | .730 | .768 | .801 | .831 | .859 |
* Minimum steam pressure ( at coil ) is 5 PSIG. Contract home office for information and pricing if steam pressure exceeds 30 PSIG.
SBW HOT WATER COIL SELECTION TABLE
| Model | Air Delivery SCFM | Coil Face Area Sq. Ft. | Coil Face Velocity FPM | Heating Capacity | |||||||||
| Two Row Coil | Four Row Coil | ||||||||||||
| MBH | Air Temp. Rise F* | Air Press. Drop In wc | GPM. | Water Press. Drop Ft. | MBH | Air Temp. Rise F* | Air Press Drop In. wc | GPM | Water Press. Drop Ft. | ||||
| SBW-112 | 1,000 | 2.4 | 417 | 78.1 | 71.5 | .11 | 7.7 | .4 | 129.9 | 118.8 | .21 | 7.7 | .7 |
| 1,500 | 2.4 | 625 | 100.0 | 60.9 | .22 | 11.5 | .8 | 174.8 | 106.6 | .43 | 11.5 | 1.4 | |
| 2,000 | 2.4 | 833 | 117.8 | 53.9 | .36 | 15.3 | 1.3 | 213.5 | 97.6 | .71 | 15.3 | 2.3 | |
| 2,500 | 3.4 | 735 | 154.8 | 65.6 | .29 | 19.1 | 1.4 | 276.6 | 101.2 | .58 | 19.1 | 2.2 | |
| 3,000 | 3.4 | 882 | 171.4 | 52.2 | .40 | 23.0 | 1.9 | 313.1 | 95.4 | .80 | 23.0 | 3.0 | |
| SBW-115 | 4,000 | 5.0 | 800 | 244.1 | 55.8 | .33 | 30.6 | 3.1 | 439.2 | 100.4 | .66 | 30.6 | 4.7 |
| 5,000 | 5.0 | 1000 | 275.7 | 50.4 | .49 | 38.3 | 4.7 | 509.8 | 93.2 | .96 | 38.3 | 7.1 | |
| 6,000 | 6.3 | 952 | 337.2 | 51.4 | .45 | 45.9 | 5.1 | 620.3 | 94.5 | .90 | 45.9 | 7.6 | |
| 7,000 | 6.3 | 1111 | 365.9 | 47.8 | .59 | 53.6 | 6.8 | 685.7 | 89.6 | 1.17 | 53.6 | 10.0 | |
| SBW -215 |
7,000 | 8.1 | 864 | 415.1 | 54.2 | .38 | 53.6 | 4.0 | 762.4 | 99.6 | .75 | 53.6 | 11.9 |
| 8,000 | 8.1 | 988 | 446.2 | 51.0 | .47 | 61.2 | 5.2 | 832.9 | 95.2 | .94 | 61.2 | 15.2 | |
| 9,000 | 10.8 | 833 | 542.5 | 55.1 | .35 | 68.9 | 4.6 | 991.9 | 100.8 | .70 | 68.9 | 9.3 | |
| 10,000 | 10.8 | 926 | 574.6 | 52.6 | .42 | 76.5 | 5.6 | 1064.4 | 97.3 | .84 | 76.5 | 11.2 | |
| 11,000 | 10.8 | 1019 | 604.8 | 50.3 | .50 | 84.2 | 6.7 | 1133.0 | 94.2 | .99 | 84.2 | 13.3 | |
| 12,000 | 13.5 | 889 | 702.5 | 53.5 | .39 | 91.9 | 6.1 | 1294.8 | 98.7 | .78 | 91.9 | 11.6 | |
| 13,000 | 13.5 | 963 | 733.7 | 51.6 | .45 | 99.5 | 7.1 | 1365.3 | 96.0 | .90 | 99.5 | 13.3 | |
| 14,000 | 13.5 | 1037 | 763.2 | 49.9 | .52 | 107.2 | 8.2 | 1433.0 | 93.6 | 1.02 | 107.2 | 15.2 | |
| 15,000 | 13.5 | 1111 | 791.4 | 48.3 | .58 | 114.8 | 9.4 | 1480.6 | 90.3 | 1.15 | 114.8 | 10.6 | |
| SBW-218 | 15,000 | 15.8 | 949 | 853.7 | 52.0 | .44 | 114.8 | 8.5 | 1586.9 | 96.7 | .88 | 114.8 | 15.1 |
| 16,000 | 15.8 | 1013 | 883.7 | 50.5 | .50 | 122.5 | 9.7 | 1635.1 | 93.5 | .98 | 122.5 | 9.4 | |
| 17,000 | 15.8 | 1076 | 912.4 | 49.1 | .55 | 130.1 | 10.8 | 1700.6 | 91.5 | 1.09 | 130.1 | 10.5 | |
| SBW-222 | 18,000 | 19.8 | 909 | 1056.1 | 53.7 | .41 | 137.8 | 12.8 | 1926.3 | 97.9 | .82 | 137.8 | 12.9 |
| 20,000 | 19.8 | 1010 | 1117.2 | 51.1 | .49 | 153.1 | 15.6 | 2064.5 | 94.4 | .98 | 153.1 | 15.6 | |
| 22,000 | 25.2 | 873 | 1314.9 | 54.7 | .38 | 168.4 | 14.2 | 2386.4 | 99.2 | .76 | 168.4 | 14.4 | |
| 24,000 | 25.2 | 952 | 1378.1 | 52.5 | .45 | 183.7 | 16.8 | 2528.3 | 96.3 | .88 | 183.7 | 16.9 | |
| 26,000 | 25.2 | 1032 | 1437.9 | 50.6 | .51 | 199.0 | 19.5 | 2664.0 | 93.7 | 1.02 | 199.0 | 19.6 | |
| 28,000 | 25.2 | 1111 | 1486.0 | 48.5 | .58 | 200.0 | 19.7 | 2746.4 | 89.7 | 1.15 | 214.3 | 13.8 | |
| SBW-227 | 28,000 | 30.3 | 924 | 1632.4 | 53.3 | .42 | 200 | 20.6 | 2953.4 | 96.5 | .84 | 214.3 | 14.4 |
| 30,000 | 30.30 | 990 | 1683.5 | 51.3 | .48 | 200.0 | 20.6 | 3090.8 | 94.2 | .95 | 229.6 | 16.4 | |
| 32,000 | 36.8 | 870 | 1898.7 | 54.3 | .38 | 205.0 | 19.4 | 3497.7 | 100.0 | .76 | 244.9 | 17.5 | |
| 34,000 | 36.8 | 924 | 1950.7 | 52.5 | .42 | 205.0 | 19.5 | 3586.3 | 96.5 | .84 | 260.3 | 8.6 | |
| 36,000 | 36.8 | 978 | 2000.3 | 50.8 | .47 | 205.0 | 19.5 | 3754.1 | 94.6 | .93 | 275.6 | 9.6 | |
| 38,000 | 36.8 | 1033 | 2047.7 | 49.3 | .51 | 205.0 | 19.5 | 3857.8 | 92.8 | 1.02 | 290.9 | 10.6 | |
| 40,000 | 36.8 | 1087 | 2093.0 | 47.9 | .56 | 205.0 | 19.5 | 3987.8 | 91.2 | 1.11 | 306.2 | 11.6 | |
| SBW-233 | 40,000 | 46.0 | 870 | 2333.4 | 53.3 | .38 | 200.0 | 19.5 | 4344.8 | 99.3 | .76 | 306.2 | 12.7 |
| 42,000 | 46.0 | 913 | 2383.9 | 51.9 | .42 | 200.0 | 19.5 | 4488.1 | 97.7 | .82 | 321.5 | 13.9 | |
| 46,000 | 46.0 | 1000 | 2478.9 | 49.3 | .49 | 200.0 | 19.6 | 4765.0 | 94.7 | .96 | 352.9 | 16.5 | |
| 50,000 | 54.2 | 2892.8 | 2892.8 | 52.9 | .42 | 300.0 | 19.1 | 5321.8 | 97.3 | .84 | 382.7 | 16.4 | |
| 54,000 | 54.2 | 996 | 2993.0 | 50.7 | .48 | 300.0 | 19.1 | 5597.9 | 94.8 | .96 | 413.3 | 18.9 | |
| 58,000 | 54.2 | 1070 | 3087.3 | 48.7 | .55 | 300.0 | 19.2 | 5794.9 | 91.4 | 1.09 | 444.0 | 15.5 | |