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Light, Medium & Heavy series are available from this standard Galvanized & Black suitable for water lines (Cold & Hot), Gas lines, Fire Fighting, HVAC lines & Electric Poles. Pipes can be supplied threaded according to BS 21. Jordan Standard No. 137 Class Nominal Diameter (DN) Designation of thread Outside diameter Wall Thickness Mass of black tube mm Inch max min. mm Plain end Threaded and docketed mm mm kg/m kg/m Light 15 ½ 21.4 21 2 0.952 0.961 Medium 15 ½ 21.7 21.1 2.65 1.22 1.23 Heavy 15 ½ 21.7 21.10 3.25 1.45 1.46
20
25
32
40
50
65
80
100
¾
1
1 ¼
1 ½
2
2 ½
3
4
26.9
33.8
42.5
48.4
60.2
76.0
88.7
113.9
26.4
33.2
41.9
47.8
59.60
75.2
87.9
113.0
2.35
2.65
2.65
2.90
2.9
3.25
3.25
3.65
1.41
2.01
2.58
3.25
4.11
5.80
6.81
9.89
1.42
2.03
2.61
3.29
4.18
5.92
6.98
10.200
20
25
32
40
50
65
80
100
125
150
¾
1
1 ¼
1 ½
2
2 ½
3
4
5
6
27.2
34.2
42.9
48.8
60.8
76.6
89.5
114.9
140.6
166.1
26.6
33.4
42.1
48
59.8
75.4
88.1
113.3
138.3
164.1
2.65
3.25
3.25
3.25
3.65
3.65
4.05
4.5
4.85
4.85
1.58
2.44
3.14
3.61
5.10
6.510
8.47
12.1
16.2
19.2
1.59
2.46
3.17
3.65
5.17
6.63
8.64
12.4
16.7
19.8
20
25
32
40
50
65
80
100
125
150
¾
1
1 ¼
1 ½
2
2 ½
3
4
5
6
27.2
34.2
42.9
48.8
60.8
76.6
89.5
114.9
140.6
166.1
26.6
33.4
42.1
48
59.8
75.4
88.1
113.3
138.3
164.1
3.25
4.05
4.05
4.05
4.50
4.5
4.85
5.40
5.4
5.4
1.9
2.97
3.84
4.43
6.17
7.9
10.1
14.4
17.8
21.2
1.91
2.99
3.87
4.47
6.24
8.02
10.3
14.7
18.3
21.8
