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PTFM 1.0 Portable Transit Time Flow Meter
PIPE CHARTS
Ductile Ir on Pipe - Standard Classes
Size
OUTSIDE
Clas s
Class
Class
C lass
C lass
C lass
C la ss
C EMEN T LIN IN G
IN CH
D IA.
5 0
5 1
5 2
5 3
5 4
5 5
5 6
**S TD
** DOUB LE
INC H
WA LL
I.D.
WA LL
I.D.
WA LL
I.D.
WA LL
I.D.
WA LL
I.D.
WA LL
I.D.
WA LL
I.D.
THIC KNES S
TH IC KN ESS
3
3.96
0 .2 5
3 .4 6
0 .2 8
3 .4 0
0 .3 1
3 .3 4
0 .3 4
3 .2 8
0 .3 7
3 .2 2
0 .4 1
3 .1 4
4
4.80
0 .2 6
4 .2 8
0 .2 9
4 .2 2
0 .3 2
4 .1 6
0 .3 5
4 .1 0
0 .3 8
4 .0 4
0 .4 4
3 .9 3
6
6.90
0 .2 5
6 .40
0 .2 8
6 .3 4
0 .3 1
6 .2 8
0 .3 4
6 .2 2
0 .3 7
6 .1 6
0 .4 0
6 .1 0
0 .4 3
6 .0 4
.12 5
.25 0
8
9.05
0 .2 7
8 .51
0 .3 0
8 .4 5
0 .3 3
8 .3 9
0 .3 6
8 .3 3
0 .3 9
8 .2 7
0 .4 2
8 .2 1
0 .4 5
8 .1 5
10
11 .1 0
0 .3 9
10 .3 2
0 .3 2
10.4 6
0 .3 5
10.4 0
0 .3 8
10.3 4
0 .4 1
10.28
0 .4 4
10.22
0 .4 7
10.16
12
13 .2 0
0 .3 1
12 .5 8
0 .3 4
12.5 2
0 .3 7
12.4 6
0 .4 0
12.4 0
0 .4 3
12.34
0 .4 6
12.28
0 .4 9
12.22
14
15 .3 0
0 .3 3
14 .6 4
0 .3 6
14.5 8
0 .3 9
14.5 2
0 .4 2
14.4 6
0 .4 5
14.40
0 .4 8
14.34
0 .5 1
14.28
16
17 .4 0
0 .3 4
16 .7 2
0 .3 7
16.6 6
0 .4 0
16.6 0
0 .4 3
16.5 4
0 .4 6
16.48
0 .4 9
16.42
0 .5 2
16.36
18
19 .5 0
0 .3 5
18 .8 0
0 .3 8
18.7 4
0 .4 1
18.6 8
0 .4 4
18.6 2
0 .4 7
18.56
0 .5 0
18.50
0 .5 3
18.44
.1 875
.37 5
20
21 .6 0
0 .3 6
20 .8 8
0 .3 9
20.8 2
0 .4 2
20.7 6
0 .4 5
20.7 0
0 .4 8
20.64
0 .5 1
20.58
0 .5 4
20.52
24
25 .8 0
0 .3 8
25 .0 4
0 .4 1
24.9 8
0 .4 4
24.9 2
0 .4 7
24.8 6
0 .5 0
24.80
0 .5 3
24.74
0 .5 6
24.68
30
32 .0 0
0 .3 9
31 .2 2
0 .4 3
31.1 4
0 .4 7
31.0 6
0 .5 1
30.9 8
0 .5 5
30.90
0 .5 9
30.82
0 .6 3
30.74
36
38 .3 0
0 .4 3
37 .4 4
0 .4 8
37.3 4
0 .6 2
37.0 6
0 .5 8
37.1 4
0 .6 3
37.04
0 .6 8
36.94
0 .7 3
36.84
42
44 .5 0
0 .4 7
43 .5 6
0 .5 3
43.4 4
0 .5 9
43.3 2
0 .6 5
43.2 0
0 .7 1
43.08
0 .7 7
42.96
0 .8 3
42.84
.25 0
.50 0
48
50 .8 0
0 .5 1
49 .7 8
0 .5 8
49.6 4
0 .6 5
49.5 0
0 .7 2
49.3 6
0 .7 9
49.22
0 .8 6
49.08
0 .9 3
48.94
54
57 .1 0
0 .5 7
55 .9 6
0 .6 5
55.8 0
0 .7 3
55.6 4
0 .8 1
55.4 8
0 .8 9
55.32
0 .9 7
55.16
1 .0 5
55.00
**R EDU CE I.D . BY DIMEN SION SH OWN