Pre-insulated piping system for INDUSTRIAL PURPOSESFOR ABOVE GROUND INSTALLATION
PRE-INSULATED PIPE INDUSTRIAL APPLICATION, ABOVE GROUND INSTALLATION
DN – Nominal diameter
d – Steel pipe outside diameter (mm)
D – HDPE casing pipe outside diameter (mm)
P – Weight of the pre-insulated pipe (kg/m)
V -Volume of water (l/m)
L – Standard length (m)
Other sizes – on request and upon discussion.
|
DN |
d |
Range 150-180оС |
Range 180-210оС |
Range 210-240оС |
V |
L |
|||
|
D |
P |
D |
P |
D |
P |
||||
|
mm |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
l/m |
m |
|
|
25 |
33,7 |
140 |
5.3 |
140 |
6.1 |
- |
- |
0.6 |
6 |
|
32 |
42,4 |
160 |
7.0 |
160 |
7.7 |
- |
- |
1.1 |
12 |
|
40 |
48,3 |
160 |
8.4 |
160 |
7.9 |
200 |
10.4 |
1.5 |
12 |
|
50 |
60,3 |
180 |
9.4 |
180 |
10.0 |
200 |
11.8 |
2.3 |
12 |
|
65 |
76,1 |
200 |
11.2 |
200 |
11.9 |
225 |
14.4 |
3.9 |
12 |
|
80 |
88,9 |
200 |
12.8 |
225 |
14.8 |
250 |
16.2 |
5.4 |
12 |
|
100 |
114,3 |
250 |
18.1 |
250 |
19.1 |
280 |
22.1 |
9.0 |
12 |
|
125 |
139,7 |
250 |
20.3 |
280 |
22.9 |
315 |
28.0 |
13.8 |
12 |
|
150 |
168,3 |
280 |
25.9 |
315 |
29.0 |
355 |
34.9 |
20.2 |
12 |
|
200 |
219,1 |
355 |
37.3 |
355 |
38.9 |
400 |
46.1 |
34.7 |
12 |
|
250 |
273,0 |
400 |
49.0 |
400 |
50.6 |
500 |
65.5 |
54.3 |
12 |
|
300 |
323,9 |
450 |
62.4 |
450 |
64.4 |
560 |
82.2 |
76.8 |
12 |
Raw materials
Carrier steel pipe is manufactured acc.:
- EN 10216-2 or another equivalent norm regarding seamless pipes, steel grade P235GH .
- EN 10220 – steel pipes sizes
Pipe ends are bevelled in order to facilitate welding acc. ISO 6761.
Casing pipe
The casing pipe is manufactured from spirally wound galvanized steel sheet with thickness 0.6 mm. The zinc coating is with thickness 140 μm. The finished product conforms to EN 1506.
Polyurethane system
AVKO jsc is using polyurethane system with foaming agent cyclopentane. The resulting PUR foam is characterized with very low heat conductivity coefficient < 0,027 W/mK.
Thermo-insulation shell
The used thermo-insulation shell is mineral wool with the following characteristics:
Използваните топлоизолационни черупки са изработени от минерална вата със следните свойства:
Heat conductivity coefficient – 0,034 W/mK
Work temperature – до 700°С
Density – 120-150 kg/m³