In standard production of ZPU MIĘDZYRZECZ preinsulated pipes and fittings line and casing pipes of the following section diameters are used:
Steel line pipe
Polyethylene casing pipe
seamless
wit seam
standard insulation
insulation
plus
DN
Dz
g
g
Dzp
gp
Dzp
gp
mm
mm
mm
mm
mm
mm
mm
mm
20
26.9
2.6
2.6
90
2.2
110
2.5
25
33.7
2.6
2.6
90
2.2
110
2.5
32
42.4
2.6
2.6
110
2.5
125
2.5
40
48.3
2.6
2.6
110
2.5
125
2.5
50
60.3
2.9
2.9
125
2.5
140
3.0
65
76.1
2.9
2.9
140
3.0
160
3.0
80
88.9
3.2
3.2
160
3.0
200
3.2
100
114.3
3.6
3.6
200
3.2
225
3.5
125
139.7
4.0
3.6
225
3.5
250
3.9
150
168.3
4.5
4.0
250
3.9
315
4.9
200
219.1
6.3
4.5
315
4.9
400
6.3
250
273.0
7.1
5.0
400
6.3
450
7.0
300
323.9
7.1
5.6
450
7.0
500
7.8
350
355.6
8.0
5.6
500
7.8
520
8.2
400
406.4
8.8
6.3
520
8.2
560*
8.8
450
457.0
10.0
6.3
560
8.8
630*
9.8
500
508.0
11.0
6.3
630
9.8
710*
11.1
600
610.0
-
7.1
800
12.5
900
12.9
700
711.0
-
8.0
900
12.9
1000
13.3
800
813.0
-
8.8
1000
13.3
1100
13.8
900
914.0
-
10.0
1100
13.8
1200
14.6
1000
1016.0
-
11.0
1200
14.6
1400
15,0
1200
1219,0
-
12,5
1400
15,0
-
-
DN - nominal diameter,
Dz, Dzp - outer diameter,
g; gp ; - wall thickness.
ZPU Międzyrzecz production and delivery programme covers full range of pipes, pipe fittings and preinsulated fittings needed to create a preinsulated pipeline:
Preinsulated pipes:
preinsulated straight pipes,
preinsulated flexible pipes
Preinsulated fittings:
bends 90°, 75°, 60°, 45°, 30°, 15°,
bends 90° input
flat T-pipes,
ascending T-pipes,
parallel T-pipes,
reduction T-pipes,
draining descending T-pipes,
venting T-pipe,
branches - cold neck,
branches - hot neck,
reducing pipes,
fixed points,
Preinsulated steel fittings:
ball cut-off valves,
ball vent valves,
ball draining valves,
ball cut-off valves with 1 vent valve,
ball cut-off valves with 1 draining valve,
ball cut-off valves with draining and venting,
axial compensators.
Joint assembly.
PEHD polyethylene sleeves sealed with thermoshrinkable band,
sleeves of PEHD polyethylene thermal shrinkable pipe, thermal shrinkable bands,
coiled muffs electrically welded,
thermal shrinkable muffs electrically welded,
branch insulation assemblies.
End of thermal insulation and pipeline end.
pipeline end - end sleeves,
thermal insulation end - thermal shrinkable sleeves (end-cap).
Catalogue of our products as well as designing guidelines in an electronic form can be downloaded from "CATALOGUE" page.
ZPU Międzyrzecz also undertakes to manufacture any type of preinsulated assortment on client's individual request.
Apart from preinsulated pipes with a steel line pipe black or galvanized in a protective coat made of a polyethylene (PEHD) pipe, ZPU Międzyrzecz also offers:
rury preizolowane, w których płaszcz osłonowy może być wykonany z rur typu SPIRO z blachy ocynkowanej aluminiowej lub z blachy kwasoodpornej,
rury preizolowane w osłonie specjalnego polietylenu zawierającego warstwę anty-UV,
konstrukcje samonośne gdzie rura przewodowa np. z polietylenu znajduje się w rurze stalowej,
rury na rurociągi parowe, o dwuwarstwowej izolacji cieplnej: warstwa pianki poliuretanowej i warstwa specjalnego gatunku wełny mineralnej.
All ZPU Międzyrzecz products can be equipped with a pipeline leak detection system (impulse or resistance) on client's request.
At the same time ZPU Międzyrzecz also offers designing services and installation of heat distribution network.
Our company organizes trainings for designers and contractors of heat distribution network.
In order to effectively deal with offer queries and orders placed by you, we would like you to provide the following information:
names and catalogue symbols of products,
type of steel,
pipe length,
whether you want an alarm installation, and if yes, what kind,
what types of sleeves need to be applied.
All ZPU Międzyrzecz products can be equipped with a pipeline leak detection system (impulse or resistance) on client's request.
Zakład Produkcyjno 
