D = outer diameter of casing pipe
d = outer diameter of medium pipe
s = wall thickness of medium pipe
t = insulation thickness
PREMANT
Nominal Steel
Leg length
width
pipe
DN
d
L1
L2
mm
mm
20
26.9
1000
2000
25
33.7
1000
2000
32
42.4
1000
2000
40
48.3
1000
2000
50
60.3
1000
2000
65
76.1
1000
2000
80
88.9
1000
2000
100
114.3
1000
2000
125
139.7
1000
2000
150
168.3
1000
2000
200
219.1
1000
2000
250
273.0
1000
2000
300
323.9
1000
2000
350
355.6
1000
2000
400
406.4
1000
2000
450
457.2
1100
2000
500
508.0
1200
2000
L2
Insulation thickness 1
BA*
D
Insulation thickness 2
D
Figures in mm
Insulation thickness 3
D
Design
mm
mm
kg
mm
kg
mm
kg
5D
90
7.5
5D
90
8.7
5D
110
12.9
5D
110
14.1
5D
125
17.6
5D
140
21.8
5D
160
25.8
5D**
200
37.3
5D**
225
45.5
5D**
250
59.2
5D**
315
87.9
3D
400
126
3D
450
164
3D
500
186
3D
560
238
3D
630
275
3D
710
319
110
8.6
110
9.8
125
13.8
125
15.0
140
18.5
160
23.2
180
27.3
225
40.0
250
48.7
280
63.3
355
95.4
450
138
500
177
560
204
630
260
710
293
800
356
125
9.5
125
10.7
140
14.7
140
16.0
160
19.9
180
24.7
200
29.2
250
43.3
280
53.1
315
69.2
400
104
500
151
560
195
630
226
710
273
800
315
900
395
* DE: The design of the radius is acc. EN 10253-2/3.3.
DE ≈
2R
d
** depending on availability also as 3D
23.5.2023 BGP
Subject to technical changes
s
d
D
t
L
1
2
0
0