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Preinsulated system PIPECO Print E-mail
Company PIPECO SLOVAKIA s.r.o. offers a complete construction system of preinsulated pipes, elbows, valves, compensators and other components including monitoring system.

{tab=Preinsulated system working up to 145°C} 

PIPECO SLOVAKIA s.r.o. produces system working up to 145°C. The steel pipe, PUR insulation and PE casing are bonded together in one construction which acts as one whole. When the steel pipe is subject to temperature variations - heating or cooling - the whole assembly will expand or contract. There are two ways the pipeline could be installed: buried using HDPE jacket or above ground using galvanized metal sheet casing.

 

    1. Jacket  
    2. PUR foam
    3. Alarm system
    4. Carrier Pipe

 

 

{slide=carrier pipes:             (click)} 

Steel pipes are used   electric welded steel pipes  according to EN 10217-2 , EN 10217-5 (DIN 1626), or seamless steel pipes according to EN 10216-2 (DIN 1629).

Dimension standard:                          EN 10217-1 (DIN 2448)              
Material:                                             P235GH (St 37.0)
Certificate:                                         EN 10204 – 3.1 B
Tests:                                                 non destructive
Bevels:                                               DIN 2559/22
Lengths:                                             6 000 mm, or 12 000 mm

 

Density                                          7850 kg/m3
Elasticity                                       206 000 N/mm2
Characteristic stress                225 N/mm2
Stress tensile                             350 – 440 N/mm2
Thermal conductivity                 46 - 54,5 W/mK
Thermal tensibility                    1,2 . 10-5K-1

 B. Galvanized steel pipes

Material quality:                                  DIN 2444
Dimension standard:                         DIN 2440
Technical delivery terms:                  DIN 2440

C.  Polypropylene pipes type 3

 

Material quality:                                  STN 64 3060, DIN 8078-PPR
Dimension standard:                          STN 64 3060, DIN 8077
Technical delivery terms:                   STN 64 3060, DIN 16 962
Pressure line:                                     PN 16

 

Density                                            908 kg/m3
Fusion index (MFI 190/5 Code T)    0,50g/10min
Strength tensile                              25 N/mm2
Thermal conductivity (20°C)           0,24 W/mK
Expansion coefficient                      1,5 . 10-4/°C
Fire endurance (DIN 4102/1)          B2
Usage for HSW and drinking water  povolené MZ SR a MZ ČR

 

 D.  Polyetylene pipes PE80, PE100

Material quality:                                  STN 64 3041, DIN 8075
Dimension standard:                         STN 64 3041, DIN 8074
Technical delivery terms:                  STN 64 3041, DIN 16 776
Pressure line:                                    PN 6, PN 10                        
Density

 950 kg/m3
Fusion index (MFI 190/5 Code T)

 0,50g/10min
Strength tensile

 22 N/mm2
Thermal conductivity (20°C)

 0,24 W/mK
Expansion coefficient

1,8 . 10-4/°C
Fire endurance (DIN 4102/1)

 B2
Colour (RAL 7032)

 black
Usage for HSW and drinking water

 Approved by MZ SR and MZ ČR (MZ=Ministry of Health)

E.  Special pipes

Pipes of other types and standards can be delivered on customers request, for example:

·         Stainless steel pipes (DIN 1.4541)
·         Copper pipes
·         Laminate pipes

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{slide=Insulation:            (click)} 

 Polyuretane foam - PUR

The foam used is cfc-free foam produced from polyol and isocyanate. Also correspondents to standard 253 with parameters:

Specific weight of grain (EN 253, čl. 4.3.3.1)

> 60 kg/m3

Total specific weight (EN 253, čl. 4.3.3.2)

 > 80 kg/m3
Thermal conductivity of the pipe assembly

  < 0,026 W/(mK)
Water absorption                        

≤ 10%
Compression radial strength at 10% compression  

min 0,3 MPa
Sheering axial strength before and after ageing

 at 23 ± 2°C min. 0,12 MPa
 

 at 140 ± 2°C min. 0,08 MPa

{/slide} 

{slide=Jacket:              (click)}

Jacket HDPE pipe 

For underground channelless systems are delivered jackets from high density polyetylene HDPE, which complies to technical standards mentioned in standard EN 253.

 

Density

 960 kg/m3 (+20°C)
Thermal tensibility coefficient

 180.10/°C
Hot melt flow rate (MFR 190/5)

 0,35 ÷ 0,65g/10 min
Thermal conductivity

 0,43 W/mK
Strength tensile

 ≥ 17 MPa

 

Jacket SPIRO pipe

For aboveground systems are delivered jacket pipes from spiral coiled galvanized steel  (respectively aluminium) belt according to PA 12 0314, or DIN 24 145.

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{tab=Pre-insulated piping above 145°C} 

 

Pre-insulated piping above 145°C offers PIPECO SLOVAKIA, s.r.o. (Ltd.) company, as so called sliding system. It is characteristic, that service pipe is during thermal extension  (shortening) moving in insulation and does not transfer the stress on it, because its deposition is sliding. Insulation and protective jacket are versus surrounding environment without movements and bonding between mineral wool, PUR foam and and protective jacket is firm.

 

 

 

1. Jacket pipe
2. Polyuretane foam
3. Sensor wires (alarm system)
4. Mineral wool
5. Sliding layer Rigoform
6. Meda carrying pipe

 

 

The piping can be led underground channelless in HDPE jacket, or aboveground in SPIRO jacket.
The construction of pipes and components acting as sliding system is  technically demanding and requires even at first design draft cooperation with the employees of the company.

More information about this system can be found in tech. documentation. 

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