Table of Contents
Advertisement
Table 33: Equivalent Lengths Of Standard Pipe Fittings And Valves
Pipe Size
ID (in.)
(NPT)
Gate
1/2
.622
3/4
.824
1
1.049
1-1/4
1.38
1-1/2
1.61
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
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Website: www.thermalsolutions.com
Phone: 717-239-7642 Fax: 877-501-5212 Email: sales@thermalsolutions.com
Valves Fully Open
(Screwed, Flanged, Welded)
Globe
Angle
.36
17.3
8.65
.48
22.9
11.4
.61
29.1
14.6
.81
38.3
19.1
.94
44.7
22.4
57.4
28.7
68.5
34.36
85.2
42.6
112
56
168
84.1
Table 34: Specific Gravity Correction Factors
Correction Factor
1.1
1.04
1.0
.96
.93
.9
.87
.84
.82
.78
.74
Schedule 40, Screwed Fittings
Swing
90 deg. 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
90 deg. Tee,
45 deg. Elbow
Flow Through
(threaded)
Branch (thread-
ed)
.73
3.1
.96
4.12
1.22
5.24
1.61
6.9
1.88
8.04
2.41
10.3
2.88
12.3
3.58
15.3
4.7
20.2
7.07
30.4
Correction Factor
.71
.68
.66
.63
.61
.59
.58
.56
.55
61
Advertisement
Table of Contents
