HomeMy WebLinkAboutB16-0498 Gas line specs.pdf 27
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If using a condensate pump,select one approved for use with condensing boilers and furnaces.The pump should have an overflow
switch tove
prent pro damage from condensate sy'llage.
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' itis very important that the condensate piping be no smaller than W.To prevent sagging and maintain pitch,condensate piping should
i be supported with pipe supportsdand pitched W per foot to allow for proper drainage.
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•The condensate line must remain unobstructed,allowing free flow of condensate,If condensate freezes in the line,or If line Is
obstructed in any other manner,condensate can exit from the tee,resulting in potential water damage to property.
PART 7 — GAS PIPING
FIRE AND/OR EXPLOSION HAZARD
To avoid serious injury or death,the gas line installation and the pas line inlet pressure test must be done by a licensed professional.
Always match the appliance with the type of gas supplied to the unit(natural gas or LP gas).This appliance must be converted into
propane operation unless specifically manufactured for use with propane.Follow Gas Conversion Manual instructions(separate
document).Propane ready appliances have the suffix"LP"after the model serial number.
Make sure the gas line pressures are within normal limits. Pressures outside normal limits can result in poor performance end
hazardous operating conditions.
This applance must be converted into propane operation unless it Is specifically manufactured to operate on propane.Propane-ready
appliances have the suffix"LP"after the model serial number. Failure to ensure the appliance Is set to operate on the provided gas
Isupply could result in property damag,perscnai kyury,or death. I
A,GA$PIPE SIZING TABLES
1.Gas Pipe Sizing '
'This information is for reference use only.Refer to gas pipe manufacturer specifications for actual delivery capacity.The DOE standard
for Natural Gas is 1100 BTUlft3.Contact the local gas supplier for actual STU/fr rating.
2.Natural Gas Pipe Sizing
The following tables list maximum capacity of pipe in cubic feet of gas per hour for gas pressures of 0.5 psi or less and a pressure drop
of 0.5 inches water column,based on a 0.60 specific gravity for natural gas.
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' :5, � 1�� t .S i 1! ,71/� Hour i 1 tilt Gravity, WC .,', ,
s „ x 1� Cubic Feet per (0. Spec 0 5rapt
#m , , 4:;„4 10 ' 2y0y —30• 40 50 80 80 100 150 200
-1:'1: + 192 137 m 9441, t 7,1
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e..: 4 383 269 - '' a- 188 168 153 1 132 .<w... �: .,n'� ..±::.,3
,, 4 ,•• 639 458 374 325 292 267 232 208 171 , 148
' 260 888 723 625 559 509 440 393 ' 320 277
2930 2080 1700 1470 1320 1 1200 1040 933 762 681
Table 11-Natural Gas Delivery Capacity-Corrugated Stainless Steel Pipe-Refer to ANSI Z223.1 -National Fuel Gas Code,
Latest Edition :
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Cubic Feet per Hour(0.60 .^.,7 , � Wt-+T ..:. '17 ' P1LI ., �' `� ,;.'
') 4 < 10 1 20' 30 40 50 60 8f! ( 100 150 200
i „Y5�' ,, a 1. ,F' 172 c.`,:: '} Art rc,. .4::..4483411,;* Y' -4i.... .•;,' ` ,,'# a �`•,'T--,:,,,,„,* :jun-7 `rw.
41 x,7�P, ..r 247 , 170 151 137 ,' ,"ittca' ° .c,4 1:4:,,K'•. .�,(._�` . 1
ilitI' �3 >• 41. -"--.R.," 320',l• ;`,:45,,i,„ . 320 284 257 220 195 157 134
i ,. ., � ,i 1390 057 857 583 528 452 400 322 275
+. °„'f' >"; •2090 1430 1150 985- 873 791 677 800 482 442
'.." 4020 2760 2220 1900 . 1680 1520 1300 1160 . 928 794
Table 12-Natural Gas Delivery Capacity-Staab Iron Pipe-Refer to ANSI 2223.1-National Fuel Gas Code,Latest Edition
LP-620 REV.6.30.15
•
Natural Gas Pipe Sizing Chart
hof Size of Pipe In Intim $:1040,;:114#7,.,:.i
Mrs in Fact 112" 3/4" 1— 1" 1-1/4" 1 1-1/2" 2' + '2-1l2" I 3" 4"
10 108 230 387 793 1237 2259 3640 8434
29 75 160 2:f.-. 569 877 1610 '2613• ! 5236 • 9521
30 61 . 129 ,�r;'�r':h. +i 471 719 1335 2165 4107 7859
40 52 ! 110 401 635 1143 1867 32586795
1- 50 46 x.98 177 364 560 1041 1680 2936 6142
60 42 89 159 336 513 957 1569 2884 5647
70 38 82 149 317 476 896 1447 2492 5250
eo 36 j 76 140 239 443 840 1353 1 2315 4900
90 33 71 133275 420 793 1288 2203 1 4867
100 32 68 ( 126 266 411. 775 1246 2128 4518
120 - 28 60 117 243 369 700 1143 1904 • 4065
150 25 54 105 215 327 625 1008 1689 3645
175 • 23 50 93 196 303 583 993 1554 3370
200 22 47 84 182 280 541 877 1437. "3160
300 , 17 37 70 145 224 439 . 686 1139 2539
•
Natural Gas flow is given in thousands of BTU/hr. •
m F ;... 4
Nominal pressure at the burner for Natural Gas is 3. water column.(Typical machine supply 5".7")
Pipe length must Include additional length for all fittings. Add approximately 5 feet of pipe perfitting
Natural Gas Example: A machine with a burner that requires 440,000 BTU would need a 1-114"pipe
a 20'long run.
Liquid Propane Gas Pipe Sizing Chart
of .Size of Pipe In Inches _ �'
77
Length
PiceiiFwt 1/2" 314" 1 1" 1.1/4" 1-1/2" 2" 2-1/2" 3" 4"•
10 275 } 567 1071 2205 3307 6221 10140 17990 35710 1
• 20 A 189 E 393 732 I 1496 2299 4331 7048 12510 25620 1
30 152 { 315 590 1212 1858 3465 5695 10110 20620
40 129 1 267 504 1039 1559 2992 4778 8481' ' '117300 '
59 114 237 448 913 1417 2846 4343 .7708 ,:15730
_
60 103 217 409 834 1275 2394 3908 6938 •14150 •
00 89 ' 185 346 724 1086 2047 3329 '•5908'';' ;12050
100 78 162 307 630 976 1811 2991 5309 10830
125 69 146 275 567 866 1606 2654 4711 9613
150 63 , 132 252 511 707 1496 2412 4281 8736
' _200 54 112 209 439 665 1282 2083 .3618 • 7382
.25th " 48 r 100 185 390 590 1138 1808 3210 - ..w8549
•300'' 43 90 168 ' 353 534 1030 1637 ' 2905 5927
350 40 83 155 325 491 947 1505 2671. 5450.
400 ' 37 I 77 144 303 458 887 1404 2492 ' •',5484
LP Gas flow is given in thousands of BTU/hr. - One cubic foot of LP gas-2518 BTU
This chart refers to low pressure LP,after regulation Standard nominal pressure at the burner fore;
Liquid Propane Gas is 11"ofwater column.
Pipe length must Include additional length for ail fittings. Add approximately 5 feet of pipe per fitting
LP Example: A machine with a burner that requires 440,000 BTU would need a 1"pipe fon a 20'long run.
Manufacture Model Age in years BTU Input
Unft 1 HTP -. - Proposed 440000 Closed ventation system
Unit 2 ' • Lochlnver . - - .- 2 months . .56000 Closed ventation system
• Unit 3• Lochinvar 2 rmmonths 55000 Closed ventatlon system
Unft4 " - :Lochirwe r =° 2 months • 65000 Closed ventatlon system
•.Unit I . • •intergralod ::4)- :. .....•Proposed• $0000 Closed ventation system
Unt2': -Side arm 3 months 0 Closed variation system
• . Unto . • Side Ann 2 months: . 41 Sed ventation system •
• Unit4 Water Heater 7months
Totat BTU for bures without own Combustion air <
40000
-Requited combustion air either tsq inch per 4000 BTU a� lit SAI: U� iii ilii vent only)
Upper Wooden Louvers measuered by Engineer Drew Rader- 25%for calculations 14"x32" 112 sq inches of free air is avaliable
Wooden louvers do not need to be replaced with metal louvers,
Amount of Combustion air required per BTU see below web sites
irtlp://www.sass-plumbing.org/chapters#NOH%20Untg%20&%20Cmbstn.pdf
Free air allowed for wooden louvers is 25%
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impart www intcling.carnireadinfpa-nonoral-ftp-gas-code.-handbook-dentee-bah-20121chapter-9/9.3-air-for-combustion-and#642bOcrfea3742bc97f550e795120082
Combustion air shaft is 29 X20.5
Acme to boiler room 29.5 inclines*tie by 42 inches high ••