Brute Elite | Page 19 |
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BRUTE ELITE |
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NATURAL GAS |
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REQUIRED | TO SIZE PIPING: |
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CU FT |
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SIZE | / HR. | Measure linear distance from meter outlet to last | |||||
80 | 80 | boiler. Add total input of all boilers and divide by | |||||
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| 1000 to obtain cu ft / hr required. Add total | |||||
105 | 105 | ||||||
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| equivalent length of fittings used according to | |||||
150 | 150 | ||||||
Table 6B. Align total length (pipe and fittings) on | |||||||
199/210 199/210 | left side column of Table 6C with highest cubic | ||||||
285 | 285 | feet of gas required. |
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399 | 399 | Notes: |
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500 | 500 |
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Consult and confirm with Applicable Fuel Gas | |||||||
600 | 600 | Code before beginning work. Verify gas inlet | |||||
750 | 750 | pressure is between 4 and 13 in W.C. before | |||||
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| starting boiler. |
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850 | 850 |
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| Table 6A. |
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EQUIVALENT LENGTHS OF STRAIGHT PIPE FOR TYPICAL SCH 40 FITTINGS | |||||||
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| NOMINAL PIPE SIZE |
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FITTING | 1/2" | 3/4" | 1" | 2" | |||
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| LINEAR FEET |
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90° ELBOW | 3.6 | 4.4 | 5.2 | 6.6 | 7.4 | 8.5 | |
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TEE | 4.2 | 5.3 | 6.6 | 8.7 | 9.9 | 12 | |
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| Table 6B. |
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SCH 40 METAL PIPE CAPACITY FOR 0.60 SPECIFIC GRAVITY NATURAL GAS | |||||||
| NOMINAL PIPE SIZE @ 0.30" W.C. PRESSURE DROP |
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LENGTH | 1/2" | 3/4" | 1" | 2" | |||
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FT |
| CUBIC FEET OF GAS PER HOUR |
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20 | 92 | 190 | 350 | 730 | 1100 | 2100 | |
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40 |
| 130 | 245 | 500 | 760 | 1450 | |
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60 |
| 105 | 195 | 400 | 610 | 1150 | |
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80 |
| 90 | 170 | 350 | 530 | 990 | |
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100 |
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| 150 | 305 | 460 | 870 | |
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| Table 6C. |
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SCHED 40 METAL PIPE CAPACITY FOR 1.50 SPECIFIC GRAVITY | |||||||
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| UNDILUTED PROPANE |
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NOMINAL PIPE SIZE @ 11" W.C. INLET AND 0.5" W.C. PRESSURE DROP | |||||||
SIZE | 1/2" | 3/4" | 1" | 2" | |||
LENGTH | MAXIMUM CAPACITY IN THOUSANDS OF BTU PER HOUR | ||||||
20 | 200 | 418 | 787 | 1616 | 2422 | 4664 | |
40 | 137 | 287 | 541 | 1111 | 1664 | 3205 | |
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60 | 110 | 231 | 434 | 892 | 1337 | 2574 | |
80 | 94 | 197 | 372 | 763 | 1144 | 2203 | |
100 | 84 | 175 | 330 | 677 | 1014 | 1952 |
NOTES: 1. Follow all local and national LP gas codes for line sizing and equipment requirements. 2. Verify that inlet gas pressure remains between 4 and 13 inches of water column before and during operation.
Source: ANSI
Table 6D.
SECTION 5.
Pump Requirements
5.1Brute Elite Boiler Flow and Head Requirements (see Table 7)
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| TEMPERATURE RISE IN °F |
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| 20°F | 25°F | 30°F | 35°F | 40°F | |||||
| FLOW | H/L | FLOW H/L | FLOW | H/L | FLOW | H/L | FLOW | H/L | |
SIZE | GPM | FT | GPM | FT | GPM | FT | GPM | FT | GPM | FT |
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80 | 7.6 | 14.9 | 6.1 | 10.1 | 5.1 | 7.1 | 4.3 | 5.8 | 3.8 | 4.6 |
105 | 10 | 23.1 | 8 | 17 | 6.7 | 12.4 | 5.7 | 9.6 | 5 | 7.6 |
150 | 14.3 | 28.5 | 11.4 | 19 | 9.5 | 13.6 | 8.1 | 11.2 | 7.1 | 8.8 |
210 | 20 | 24.1 | 16 | 16.7 | 13.4 11.6 | 11.3 | 9 | 9.9 | 6.9 | |
285 | 27 | 25.5 | 22 | 17.5 | 18 | 14 | 15 | 10.5 | 13 | 8 |
399 | 39 | 28 | 31 | 20 | 25 | 14.5 | 22 | 11 | 19 | 9 |
500 | 48 | 24 | 38 | 16 | 32 | 12 | 27 | 9 | 24 | 8 |
600 | 58 | 44 | 46 | 31 | 38 | 22 | 33 | 18 | 29 | 15 |
750 | 72 | 37 | 58 | 23 | 48 | 17 | 41 | 13 | 36 | 10 |
850 | 81 | 33 | 65 | 22 | 54 | 15 | 46 | 10 | 41 | 8 |
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| TEMPERATURE RISE IN °C |
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| 11°C | 14°C | 17°C | 19°C | 22°C | |||||
| FLOW | H/L | FLOW H/L | FLOW | H/L | FLOW | H/L | FLOW | H/L | |
SIZE | lpm | m | lpm | m | lpm | m | lpm | m | lpm | m |
80 | 29 | 4.5 | 23 | 3.1 | 19 | 2.2 | 16 | 1.8 | 14 | 1.4 |
105 | 38 | 7.0 | 30 | 5.2 | 25 | 3.8 | 22 | 2.9 | 19 | 2.3 |
150 | 54 | 8.7 | 43 | 5.8 | 36 | 4.1 | 31 | 3.4 | 27 | 2.7 |
210 | 76 | 7.3 | 61 | 5.1 | 51 | 3.5 | 43 | 2.7 | 37 | 2.1 |
285 | 102 | 7.8 | 83 | 5.3 | 68 | 4.3 | 57 | 3.2 | 49 | 2.4 |
399 | 148 | 8.5 | 117 | 6.1 | 95 | 4.4 | 83 | 3.4 | 72 | 2.7 |
500 | 182 | 7.3 | 144 | 4.9 | 121 | 3.7 | 102 | 2.7 | 91 | 2.4 |
600 | 220 | 13.4 | 174 | 9.4 | 144 | 6.7 | 125 | 5.5 | 110 | 4.6 |
750 | 273 | 11.3 | 220 | 7.0 | 182 | 5.2 | 155 | 4.0 | 136 | 3.0 |
850 | 307 | 10.1 | 246 | 6.7 | 204 | 4.6 | 174 | 3.0 | 155 | 2.4 |
Table 7. Water Flow Requirements.
5.2Brute Elite Water Heater Flow and Head Requirements (see Table 8)
NORMAL WATER*
| Flow | H/L | Temp | Flow | H/L | Temp |
Size | gpm | feet | Rise °F | lpm | m | Rise °C |
150 | 19 | 57 | 15 | 72 | 17.4 | 8 |
199 | 25 | 28 | 15 | 95 | 8.5 | 8 |
285 | 36 | 33 | 15 | 98 | 10.1 | 8 |
399 | 50 | 35 | 15 | 189 | 10.7 | 8 |
500 | 63 | 28 | 15 | 239 | 8.5 | 8 |
600** | 60 | 24 | 19 | 227 | 7.3 | 11 |
750** | 68 | 35 | 21 | 257 | 10.7 | 12 |
850** | 68 | 26 | 24 | 257 | 7.9 | 13 |
*Maximum water hardness of 10 grains per gallon allowed. **See section 6B.6 on page 30 for pump information.