FOR DIRECT BURIALPre-insulated piping system for CENTRALIZED DISTRICT HEATING
Sealing ring for passing through walls
DN – Nominal diameter (mm)
D – Diameter of the casing pipe (mm)
Other sizes – on request.
Manufactured from corrugated rubber stripe
DN |
D |
mm |
mm |
20 |
90 |
25 |
90 |
32 |
110 |
40 |
110 |
50 |
125 |
65 |
140 |
80 |
160 |
100 |
200 |
125 |
225 |
150 |
250 |
200 |
315 |
250 |
400 |
300 |
450 |
350 |
500 |
400 |
560 |