|
Steel pipe |
HDPE casing pipe |
|
HDPE casing pipe |
|||||
|
DN |
Outer pipe diameter |
STANDARD insulation |
PLUS |
PLUS PLUS |
DN |
STANDARD insulation |
PLUS |
PLUS PLUS |
|
|
od [mm] |
Dz [mm] |
Dz [mm] |
Dz [mm] |
|
Dz [mm] |
Dz [mm] |
Dz [mm] |
|
32 |
42,4 |
110 |
125 |
140 |
25 |
90 |
110 |
125 |
|
40 |
48,3 |
110 |
125 |
140 |
25 |
90 |
110 |
125 |
|
50 |
60,3 |
125 |
140 |
160 |
25 |
90 |
110 |
125 |
|
65 |
76,1 |
140 |
160 |
200 |
32 |
110 |
125 |
140 |
|
80 |
88,9 |
160 |
200 |
225 |
32 |
110 |
125 |
140 |
|
100 |
114,3 |
200 |
225 |
250 |
32 |
110 |
125 |
140 |
|
125 |
139,7 |
225 |
250 |
315 |
40 |
110 |
125 |
140 |
|
150 |
168,3 |
250 |
315 |
400 |
40 |
110 |
125 |
140 |
|
200 |
219,1 |
315 |
400 |
450 |
50 |
125 |
140 |
160 |
|
250 |
273,0 |
400 |
450 |
500 |
50 |
125 |
140 |
160 |
|
300 |
323,9 |
450 |
500 |
560 |
50 |
125 |
140 |
160 |
|
350 |
355,6 |
500 |
560 |
630 |
65 |
140 |
160 |
200 |
|
400 |
406,4 |
560 |
630 |
710 |
65 |
140 |
160 |
200 |
|
500 |
508,0 |
630 |
710 |
900 |
100 |
200 |
225 |
250 |
|
600 |
610,0 |
800 |
900 |
1000 |
100 |
200 |
225 |
250 |
|
700 |
711,0 |
900 |
1000 |
– |
100 |
200 |
225 |
250 |
Notes:
Stainless steel body valves.
Ball valves on the DN25÷DN100 drain pipeline.
Hmin=0,5×(OD1+Dz)+70 [mm].
L2=1000+OD1+A [mm].
A – to be determined from the district heating network design.
Recommended A for the main line diameters:
DN32÷DN150 A≥140 mm,
DN200÷DN700 A≥200 mm.
Other diameters on request.
Main pipeline with a length of 1.5 m.
On request, drains with a pulled neck on steel and HDPE jacket.
