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Arctic Installation and Operation Manual
P/N 105641-01
Table 20: Equivalent Lengths Of Standard Pipe Fittings And Valves
Valves Fully Open (Screwed, Flanged,
Welded)
Pipe
ID
Size
(in.)
(npt)
Gate
1/2
.622
.36
3/4
.824
.48
1
1.049
.61
1-1/4
1.38
.81
1-1/2
1.61
.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, and welded valves
relative to schedule 40 steel.
Specific Gravity
.5
.55
.6
.65
.7
.75
.8
.85
.9
1.0
1.1
47
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Web:
Phone: 717-239-7642 Fax: 877-501-5212 Email:
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
34.36
85.2
42.6
112
56
168
84.1
Table 21: Specific Gravity Correction Factors
Correction Factor
1.1
1.04
1.0
.96
.93
.9
.87
.84
.82
.78
.74
Schedule 40, Screwed Fittings
90 deg.
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
10.1
42.1
15.2
Specific Gravity
1.2
1.3
1.4
Propane
1.5
1.6
1.7
1.8
1.9
Butane
2.0
sales@thermalsolutions.com
Form: 2435-3
Revision: 10
Date: 12-1-2018
90 deg.
Tee, Flow
45 deg.
Through
Elbow
Branch
(threaded)
(threaded)
3.1
.73
4.12
.96
5.24
1.22
6.9
1.61
8.04
1.88
10.3
2.41
12.3
2.88
15.3
3.58
20.2
4.7
30.4
7.07
Correction Factor
.71
.68
.66
.63
.61
.59
.58
.56
.55
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