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Page 1
 
C.M. Type, C.S.Type, Plain Ribs.
 
 

Dimension of 'CM ' Casing Pipes
(Alll dimensions in millimetres.)

Nominal
Diameter


Mean Outer
Diameterof
Pipe ,d
Outer
Diameterof
Pipe at Any
Point
MeanOuter Diameter
Over Connection,
ds
Wall Thickness,s

DN
(1)
40
50
80
100
125
150
175
200
250
300
350
400
Min
Max
(2)
(3)
48.0
48.2
60.0
60.2
88.0
88.3
113.0
113.3
140.0
140.4
165.0
165.4
200.0
200.5
225.0
225.5
280.0
280.5
330.0
330.6
400.0
400.7
450.0
450.8
Min
Max
(4)
(5)
47.9
48.3
59.9
60.3
87.9
88.4
112.9
113.4
139.9
140.5
164.8
165.6
199.8
200.6
224.8
225.8
279.6
280.8
229.6
331.0
399.6
401.2
449.5
451.3
Max
(6)
52.0
65.0
94.0
120.0
150.0
178.0
215.0
243.0
298.0
352.0
428.0
479.0
Min
Max
(7)
(8)
3.5
4.0
4.0
4.6
4.0
4.6
5.0
5.7
6.5
7.3
7.5
8.5
8.8
9.8
10.0
11.2
12.5
14.0
14.5
16.2
17.5
19.5
19.5
21.7
 
 
 
 
Dimensions of 'CS' Casing Pipes
(All dimensions in millimetres.)

Nomina
Diameter
DN

Mean Outer
Diameter of
Pipe,d
Outer Diameter of Pipe at Any
Point
MeanOuter Diameter
Over Connection
Wall Thickness,s
( lJnder Ribs )
DN
(1)
150
175
200
250
300
350
400
Min
Max
(2)
(3)
165.0
165.4
200.0
200.5
225.0
225.5
280.0
280.5
330.0
300.6
400.0
400.7
450.0
450.8
Min
Max
(4)
(5)
164.8
165.6
199.8
200.6
224.8
225.8
279.6
280.8
329.6
331.0
399.6
401.2
449.5
451.3
Max
(6)
174.0
211.0
238.0
292.0
346.0
420.0
470.0
Min
Max
(7)
(8)
5.7
6.5
7.0
7.8
7.6
8.8
9.6
11.0
11.2
13.3
14.0
15.5
16.0
17.5
 
 
 
Dimension of Screen Pipes with Ribs
(All dimensions in millimetres.)
Nominal
Diameter
DN

Mean outer diameter of pipe d


outer diameter of pipe at any point
Mean
OuterDiameter OverConnectio ds
Wall Thickness,s
(Under Ribsl)
DN
40
50
80
100
125
150
175
200
250
300
350
400
Min
52.0
64.0
92.0
117.0
144.0
169.0
204.0
229.0
284.0
334.0
404.0
454.0
Min
51.9
63.9
91.8
116.8
143.7
168.6
203.6
228.5
283.4
333.3
403.2
453.1
Max
56.0
68.0
98.0
125.0
154.0
183.0
221.0
247.0
301.0
354.0
432.0
483.0
Min
Max
3.5
4.0
4.0
4.6
4.0
4.6
5.0
5.7
6.5
7.3
7.5
8.5
8.8
9.8
10.0
11.2
12.5
14.0
14.5
16.2
17.5
19.5
19.5
21.7
 
 
 
 
 
 
 
 

Dimension of Plain Screen Pipes
(Alll dimensions in millimetres.)

Nominal
Diameter


Mean Outer
Diameterof
Pipe ,d
Outer
Diameterof
Pipe at Any
Point
MeanOuter Diameter
Over Connection,
ds
Wall Thickness,s

DN
(1)
250
300
350
400
Min
Max
(2)
(3)
280.0
280.2
330.0
330.6
400.0
400.7
450.0
450.8
Min
Max
(4)
(5)
279.6
280.8
329.6
331.0
399.6
401.2
449.5
451.3
Max
(6)
298.0
352.0
428.0
479.0
Min
Max
(7)
(8)
12.5
14.0
14.5
16.2
17.5
19.5
19.5
21.7