PREMANT district heating pipe

System description

PRE 6.106

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