Laars mascot ft MFTHW Installation And Operation Instructions Manual page 33

Wall-mounted, modulating gas, condensing, heating only, boiler
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Mascot FT, Heating Only, Boiler
Propane Gas Pipe Sizing (Maximum)
Intended use : Pipe Sizing Between Single-or Second-Stage (Low Pressure) Regulator and Appliance.
For reference only. Referenced from gas pipe manufacturer specifications for actual delivery capacity. The
DOE standard for Natural Gas is 1100 BTU/ft3. Contact the local gas supplier for actual BTU/ft3 rating.
Inlet Pressure : 11 in. w.c / Pressure Drop : 0.5in. w.c / Specific Gravity : 1.5
Pipe
size
10
1/2˝
129
3/4˝
303
605
1-1/4˝
971
1-1/2˝
1990
4640
Table 13. Length of Corrugated Stainless Steel Pipe.
Pipe
size
10
1/2˝
291
3/4˝
608
1150
1-1/4˝
2350
1-1/2˝
3520
6790
Table 14. Length of Black Iron Pipe (Schedule 40 Metallic)
20
30
40
91
74
64
216
177
153
425
344
297
661
528
449
1400
1140
988
3290
2680
2330
20
30
40
200
160
137
418
336
287
787
632
541
1620
1300
1110
2420
1940
1660
4660
3750
3210
Length (ft)
50
60
80
58
53
45
137
126
109
265
241
208
397
359
307
884
805
696
2080
1900
1650
(Refer to the ANSI Z223.1 NATIONAL
Length (ft)
50
60
80
122
110
101
255
231
212
480
434
400
985
892
821
1480
1340
1230
2840
2570
2370
(Refer to the ANSI Z223.1 NATIONAL
Page 31
100
150
200
41
31
28
98
75
69
186
143
129
270
217
183
621
506
438
1480
1210
1050
FUEL GAS CODE 2012 EDITION)
100
150
200
94
84
67
197
175
140
372
330
265
763
677
543
1140
1010
814
2200
1950
1570
FUEL GAS CODE 2012 EDITION)

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