Connect gas piping – PB Heat 211A User Manual
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CONNECT GAS PIPING
Table 7.1: Capacity of Gas Supply Pipe in Cubic Feet (Cubic Meters) Per Hour of Natural Gas for
0.3 inch (75 Pa) Drop.
Above ratings based on natural gas with specific gravity of 0.60 allowing pressure drop of 0.3 inches (75 Pa). No allowance
is needed for pipe fittings. Use the following multipliers on above capacities for specific gravity other than 0.60:
Specific Gravity
0.50
0.55
0.60
0.65
0.70
Multiply Capacity by:
1.10
1.04
1.00
.962
.926
Pipe Length
1-1/4" Pipe
1-1/2" Pipe
2" Pipe
2-1/2" Pipe
3" Pipe
4" Pipe
6" Pipe
Feet
Meters
Foot
3
Meter
3
Foot
3
Meter
3
Foot
3
Meter
3
Foot
3
Meter
3
Foot
3
Meter
3
Foot
3
Meter
3
Foot
3
Meter
3
10
3.0
1050
30
1,600
45
3,050
86
4,800
136
8,500
241
17,500
496
44,000
1246
20
6.1
730
21
1,100
31
2,100
59
3,300
93
5,900
167
12,000
340
31,000
878
30
9.1
590
17
890
25
1,650
47
2,700
76
4,700
133
9,700
275
25,000
708
40
12.2
500
14
760
22
1,450
41
2,300
65
4,100
116
8,300
235
22,000
623
50
15.2
440
12
670
19
1,270
36
2,000
57
3,600
102
7,400
210
20,000
566
60
18.3
400
11
610
17
1,150
33
1,850
52
3,250
92
6,800
193
18,000
510
70
21.3
350
10
560
16
1,050
30
1,700
48
3,000
85
6,200
176
17,000
481
90
27.4
320
9
490
14
930
26
1,500
42
2,600
74
5,400
153
15,000
425
100
30.5
305
9
460
13
870
25
1,400
40
2,500
71
5,100
144
14,000
396
150
45.7
250
7
380
11
710
20
1,130
32
2,000
57
4,100
116
11,500
326