10 CFH per horsepower of Generator at full load for natural gas
and CF to BTU by using 1=1000
so generators
honda eu 1000i 2.1 hp for 21 cfh or 21,000 btu use
3/8 quick couplers
honda eu 2000i 2.8 hp for 28 cfh or 28,000 btu use 3/8
quick couplers
honda eu 2200i 3.6 hp for 36 cfh or 36,000 btu use 3/8
quick couplers
honda eu 3000i 5.5 hp for 55cfh or 55,000 btu use 3/8 quick
couplers
honda eu 6500i 13 hp for 130 cfh or 130,000 btu use 1/2
quick couplers
honda eu 7000is 13 hp for 130 cfh or 130,000 btu use 1/2
quick couplers
now on to the whip hose from the line to the demand
regulator
If the hook-up hose is kept to 6' or less, the use of a 1/2"
id
hook-up hose and quick disconnect coupler for up to 18hp engines is
acceptable
natural gas pipe feed lines at short use 1 inch id black
pipe for the main feed line to your manifold at the disconnect. the one inch
line is good to 208 K btu at 90 feet.
Length
in Feet
Pipe Size
10
20
30
40
50
60
70
80
90
100
1/2
174
119
96
82
73
66
61
56
53
50
3/4
363
249
200
171
152
135
127
118
111
104
1
684
470
377
323
286
259
239
222
206
197
1-1/4
1404
955
775
663
588
532
490
456
428
404
1-1/2
2103
1445
1161
993
880
795
734
688
641
605
2
4050
2784
2235
1913
1696
1538
1413
1315
1234
1165
2-1/2
6455
4437
3503
3049
2703
2449
2253
2096
1966
1857
3
11412
7843
6299
5391
4778
4329
3983
3705
3476
3284
Pipe Size
125
150
200
250
300
350
400
450
500
550
1/2
44
40
34
30
28
25
24
22
21
20
3/4
93
84
72
64
58
53
49
46
44
42
1
174
158
136
120
109
100
93
87
82
78
1-1/4
358
324
278
246
223
205
191
179
169
161
1-1/2
536
486
416
369
334
307
296
268
253
241
2
1033
936
801
710
643
592
551
517
488
463
2-1/2
1646
1492
1277
1131
1025
943
877
823
778
739
3
2910
2537
2257
2000
1812
1667
1551
1455
1375
1306
BTU IS IN K BTU IN THE ABOVE CHART OR IN THOUSAND BTU
WELCOME TO THE NEW 2024
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