2. Thermal insulation
Material:
PUR insulation
Compression strength
Thermal conductivity
Percentage of closed cells
Water absorption after 24 hours
Ozone-depleting potential (ODP)
Warming Potential
2.1 Supplementary insulation
Polyurethane foam (pentane-blown), manufactured from 3 components:
polyol, isocyanate and cyclopentane
High-pressure plants are used for mixing and metering.
Reference temperature °C
-
50
-
-
-
-
PREMANT value
≥ 0.3 MPa
≤ 0.026 W/mK
≥96%
≤10%
0
< 5
Test standard
EN 253
DIN 52612
Value for C
5
H
10
from „Regulation EU 517/2014 Anx. IV“
Standard:
Execution:
3. Casing pipe
Quality:
Standard:
Factory certificate:
EN 489
- Executed by trained installation staff
- Polyurethane foam is used to foam and seal the joints
- Sealing with shrink-on sleeve or electro-welding joint
- Connecting the monitoring wires
- Installing the expansion pads, consisting of an elastic foam material which is resistant to ageing
Outer ø
mm
90
110
125
140
160
180
200
225
250
280
315
355
4. Monitoring wires
Brandes system:
Nordic system:
Task:
23.5.2023 BGP
Subject to technical changes
Min. wall thickness
Pipes
Bends/T-pieces
mm
mm
PE-HD, GM 5010 T3 or equivalent
EN 253
EN 10204-2.2
Dimensions of PE-HD casing pipes
Dimensions of PE-HD casing pipes
Outer ø
mm
400
450
500
560
630
670
710
800
900
1000
1100
1200
1x
1 x
1x
1 x
Identification and location of moisture by means of resistance or pulse measurements
3.0
3.0
3.0
3.0
3.0
3.0
3.2
3.5
3.6
4.4
4.5
5.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
5.0
5.0
5.0
5.0
Min. wall thickness
Pipes/Bends/T-pieces
mm
5.3
5.6
6.3
7.0
7.6
8.0
8.7
9.0
10.1
11.2
12.0
12.8
CrNi, red, insulated and perforated, Ø 0.5 mm/0.2 mm
2
Cu, green, insulated, Ø 0.8 mm / 0.5 mm
2
Cu blank: 1.5 mm
2
Cu tinned: 1.5 mm
2