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Bosch C 1210 ES/ESC Manual page 26

Natural gas liquefied petroleum gas indoor residential and commercial models
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26 | Installation instructions
4.8.1 FOR NATURAL GAS
Maximum Capacity of pipe in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 Psig or less and a Pressure drop of 0.3" in Water Column
(0.75mbar).(Based on a 0.60 Specific Gravity Gas) Btu numbers given in thousands.
Follow boxed numbers for piping just one C 1210 ES/ESC (example: ¾" B.I. Natural Gas pipe for 10 ft (3.0m). will handle 278,000 btu's (81.5 kWh).
For multiple appliances combine the total maximum btu input load and then refer to applicable chart below.
Nominal
Length of Black iron Pipe, Feet
Internal
Iron Pipe
Diameter
Size,
inches
10
inches
1/4
0.364
32
3/8
0.493
72
1/2
0.622
132
3/4
0.824
278
1
1.049
520
1 1/4
1.380
1050
1 1/2
1.610
1600
2
2.067
3050
Table 23
Length of Flexible Corrugated Stainless Steel Tubing
Tube
(CSST), Feet
size,
inches
EHD*
10
20
1/2
18 EHD 82
58
3/4
23 EHD 161
116
1
30 EHD 330
231
1 1/4
37 EHD 639
456
Table 24
4.8.2 FOR LP GAS
FOR LP GAS Maximum Capacity of Pipe in Thousands of BTU per Hour of
Undiluted Petroleum Gases (at 11 inches Water Column Inlet Pressure)
(Based on a Pressure Drop of 0.5 Inch Water Column).
Nominal
Length of Black iron Pipe, Feet
Iron
Pipe
10
20
30
inches
1/2
291
200
160
3/4
608
418
336
1
1145
787
632
Table 25
Length of Flexible Corrugated Stainless Steel Tubing
Tube
(CSST), Feet
size,
inches
EHD*
10
20
1/2
18 EHD 129
91
3/4
23 EHD 254
183
1
30 EHD 521
365
Table 26
Nominal
Length of Black iron Pipe, Feet
Iron
Pipe
10
20
30
inches
3/8
39
26
21
1/2
92
62
50
5/8
199
131
107
3/4
329
216
181
Table 27
Maximum Capacity of Semi-Rigid (flexible, non corrugated) Tubing in Thousands of BTU per Hour of Undiluted Liquefied Petroleum Gases (at 11 inches
Water Column Inlet Pressure).(Based on a Pressure Drop of 0.5 Inch Water Column)* Source National Fuel Gas Code NFPA 54, ANSI Z223.1 - No
Additional Allowance is necessary for an ordinary number of fittings.
6 720 644 887 (2013/02)
20
30
40
50
22
18
15
14
49
40
34
30
92
73
63
56
190
152
130
115
350
285
245
215
730
590
500
440
1100
890
760
670
2100
1650
1450
1270
30
40
50
60
47
41
37
34
96
83
75
68
188
162
144
131
374
325
292
267
40
50
60
137
122
110
287
255
231
541
480
434
30
40
50
60
74
64
58
53
151
131
118
107
297
256
227
207
40
50
60
70
19
_
_
_
41
37
35
31
90
79
72
67
145
131
121
112
60
70
80
90
12
11
11
10
27
25
23
22
50
46
43
40
105
96
90
84
195
180
170
160
400
370
350
320
610
560
530
490
1150
1050
990
930
* EHD = Equivalent Hydraulic Diameter. The greater the value of EHD, the
greater the gas capacity of the tubing.
80
100
125
150
94
84
74
67
197
175
155
140
372
330
292
265
* EHD = Equivalent Hydraulic Diameter. The greater the value of EHD, the
greater the gas capacity of the tubing.
80
90
100
_
_
_
29
27
26
62
59
55
104
95
90
100
125
150
175
9
8
8
7
21
18
17
15
38
34
31
28
79
72
64
59
150
130
120
110
305
275
250
225
460
410
380
350
870
780
710
650
200
58
120
227
200
6
14
26
55
100
210
320
610
C 1210 ES/ESC

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