PREMANT district heating pipe

Underground construction for ball valve

PRE 6.525

Shafts with drive-over cast cover

D2

D2

200

D1

200

D1

200

1

2

3

4

5

6

Figures in mm

Cast cover, drive-over (e.g. Von Roll)

Cement pipe

Ball valve

Expansion pad

Support plate

Sand filling (particle size 0 - 8 mm)

DN

D1

H

D2

mm

mm

mm

20

125

470

25

125

470

32

140

470

40

140

490

50

160

500

250

65

180

510

250

80

200

520

250

100

250

560

125

280

570

150

315

590

200

355

630

300

250

450

670

300

1

2

3

4

5

6

17.1.2025 BGP

Subject to technical changes

>

D

2

H