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TABLE 5 - EQUIVALENT OF STANDARD PIPE FITTING & VALVES
Valves Fully Open (Screwed,
Pipe
I.D.
Size
Inches
Gate
1/2"
0.622
0.36
3/4"
0.824
0.48
1"
1.049
0.61
1-1/4"
1.380
0.81
1-1/2"
1.610
0.94
2"
2.067
1.21
2-1/2"
2.469
1.44
3"
3.068
1.79
4"
4.026
2.35
6"
6.065
3.54
Equivalent lengths are for standard screwed fittings and for screwed, flanged, or welded valves relative
to schedule 40 steel pipe.
Table 6 lists gas inputs at sea level to 2000 feet altitude. Reduce gas input four percent (4%) for each
additional 1000 feet above sea level.
BOILER
MODEL
EVCA-750
EVCA-1000
EVCA-1500
EVCA-2000
EVCA-3000
Flanged, Welded)
Globe
Angle
17.3
8.65
22.9
11.4
29.1
14.6
38.3
19.1
44.7
22.4
57.4
28.7
68.5
34.3
85.2
42.6
112
56
168
84.1
TABLE 6: RATED INPUT
RATED CAPACITY (CFH)
NATURAL
750
1000
1500
2000
3000
Schedule 40, Screwed Fittings
90°
Swing
Elbow
Check
(threaded)
4.32
1.55
5.72
2.06
7.27
2.62
9.58
3.45
11.2
4.02
14.4
5.17
17.1
6.16
21.3
7.67
28.0
10.1
42.1
15.2
WARNING
GAS CONNECTION SIZE (inch dia.)
LP/PROPANE
300
400
600
800
1200
23
45°
90° Tee, Flow
Elbow
through Branch
(threaded)
(threaded)
0.73
3.10
0.96
4.12
1.22
5.24
1.61
6.90
1.88
8.04
2.41
10.3
2.88
12.3
3.58
15.3
4.70
20.2
7.07
30.4
1
1-1/2
1-1/2
1-1/2
2
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