Bosch 330-PN-N Installation Manual page 18

18 | Installation instructions
Tube size
inches
1/2
3/4
1
1 - 1/4
Table 9
* EHD = Equivalent Hydraulic Diameter. The greater the value
EHD, the greater the gas capacity of the tubing.
Nominal
Iron Pipe
Size
inches
1/2
3/4
1
Table 10
Outside
diameter
Inch 10
3/8
1/2
5/8
3/4
Table 11
Maximum Capacity of Semi-Rigid copper 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 Colunm).
* Source National Fuel Gas Code NFPA 54, ANSI Z223.1
- No Additional Allowance is necessary for an ordinary number
of fittings.
6 720 644 951 (2014/11)
Lenght of Flexible Corrugated Stainless Steel Tubing (CSST), Feet
EHD* 10
18 129
23 254
30 521
37 971
10 20 30
291 200 160
608 418 336
1145 787 632
20 30
39 26 21
92 62 50
199 131 107
329 216 181
20 30
91 74
183 151
365 297
661 528
Black Iron Pipe
Lenght of pipe, Feet
40 50 60
137 122 110
287 255 231
541 480 434
Cooper (LP gas only)
Lenght of Tubing, feet
40 50 60
19 - -
41 37 35
90 79 72
145 131 121
40 50
64 58
131 118
256 227
449 397
80 100 125
94 84 74
197 175 155
372 330 292
70 80
- -
31 29
67 62
112 104
60
53
107
207
359
150 200
67 58
140 120
265 227
90 100
- -
27 26
59 55
95 90
330 PN