Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation?...
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Transcript of Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation?...
![Page 1: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/1.jpg)
Pipe Insulation with Polyurethane
![Page 2: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/2.jpg)
Why using PU for pipe insulation?
Best thermal resistance property
Composite system as constructive element
Simple installation
Various application fields
![Page 3: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/3.jpg)
Why using PU for pipe insulation?
![Page 4: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/4.jpg)
Application fields of PU for pipe insulation
District Heating / District Cooling
Rigid pipe Fluid: Water Outer jacket: Polyethylene Carrier Pipe: Steel Temperature: 3 °C - 161 °C Rigid foam based on PUR Moulded density of foam: 60 - 80 kg/m³ High requirements for the whole pipe system EN 253
![Page 5: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/5.jpg)
Application fields of PU for pipe insulation
![Page 6: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/6.jpg)
Application fields of PU for pipe insulation
District Heating / District Cooling
Flexible pipe
Fluid: Water
Outer jacket: Polyethylene
Carrier Pipe: Steel, copper, PEX
Temperature: 3 °C - 150 °C
Semi-flexible rigid foam based on PUR
Moulded density: 55 - 70 kg/m³
High requirements for the whole system
![Page 7: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/7.jpg)
Application fields of PU for pipe insulation
![Page 8: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/8.jpg)
Application fields of PU for pipe insulation
District heating / District Cooling
Pipe joints
Fluid: Water
Outer jacket: Polyethylene
Carrier Pipe: Steel
Temperature: 3 °C - 161 °C
Rigid foam based on PUR
PU moulded density: 70 - 90 kg/m³
EN 489
![Page 9: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/9.jpg)
Application fields of PU for pipe insulation
![Page 10: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/10.jpg)
Application fields of PU for pipe insulation
Industry pipe
Rigid and flexible pipes
Fluid: liquid chemicals / steam
Outer jacket: Polyethylene, metal sheet
Carrier Pipe: Steel
Temperature: -162 °C - +180 °C
Rigid foam based on PUR or PIR
Moulded density: 60 - 120 kg/m³
If necessary fire resistence according to DIN 4102, part 1 - B2 (Pipe: B1)
![Page 11: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/11.jpg)
Application fields of PU for pipe insulation
![Page 12: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/12.jpg)
Application fields of PU for pipe insulation
Joint Infill
Offshore Gas Pipelines
Concrete weight coated pipes
Carrier Pipe: Steel
Rigid foam based on opencell PUR
Moulded density: 100 - 250 kg/m³
Impact test: > 7 KJ
Opencell content:> 80 %
Water uptake: neutral buoyancy
![Page 13: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/13.jpg)
Application fields of PU for pipe insulation
![Page 14: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/14.jpg)
Application fields of PU for pipe insulation
Offshore
Rigid and flexible pipes
Fluid: Oil, gas
Outer jacket: Steel, polyethylene, concrete
Carrier Pipe: Steel
Temperature: 3 °C - 120 °C
Rigid foam based on PUR
Open or closed cells
Compact PUR (Solid-PU)
Moulded density: 70 - 1150 kg/m³
![Page 15: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/15.jpg)
Application fields of PU for pipe insulation
![Page 16: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/16.jpg)
Production MethodsDiscontinuous production (Pipe-in-Pipe / PiP)
Support Table
Mixing Head
PU –foaming Machine
Outer Jacket
Pipe for Medium End Cap
Sealing Ring
ShellSpacer
![Page 17: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/17.jpg)
Production MethodsDiscontinuous production (Pipe-in-Pipe / PiP)
Advantages
Simple Processing
Flexible
Cheap machinery equipment
Disadvantages
High moulded density
Slow PUR system required
Relatively high thermal conductivity
„Diffusion-tight“ foil impossible
More manpower required
![Page 18: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/18.jpg)
Production MethodsContinuous Production (Double Conveyer)
Cutter
Water Bath
PE-Extruder
Double ConveyerPipe for Medium
PE-Foil
PU-foaming Machine
Mixing Head
![Page 19: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/19.jpg)
Production MethodsContinuous Production (Double Conveyer)
Advantages
Low moulded density
Low thermal conductivity
„Diffusion-tight“ foil possible
High productivity
Less manpower required
Disadvantages
Expensive machinery equipment
Complicated process
Less flexible
![Page 20: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/20.jpg)
Properties of Insulated Pipes
EN 253
![Page 21: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/21.jpg)
Properties of Insulated PipeEN 253
Core density: > 60 kg/m³
Compressive strength: > 0,3 N/mm²
Water absorption: < 10 Vol.-% after boiling test
Axial shear strength: > 0,12 N/mm² (23 °C) > 0,08 N/mm² (140 °C)
Tangential shear strength: > 0,20 N/mm² (23 °C)
Calculated Continuous Operating Temperature
over 30 years (CCOT) > 120°C
![Page 22: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/22.jpg)
Properties of Insulated PipeEN 253 – Long-term Usage Temparature
![Page 23: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/23.jpg)
Future Work in Pipe Insulation
Increased use of barrier sheets
Target: Reduced aging of the pipe
Consideration of the influence of oxidation for the thermal aging atthe EN 253
Target: Better determination of the CCOT
Reducing the cell size by improved formulations and technologies
Target: Reducing the the thermal conductivity
![Page 24: Pipe Insulation with Polyurethane - lsta.lt seminaras/4_Pipe...Why using PU for pipe insulation? Best thermal resistance property Composite system as constructive element Simple installation](https://reader034.fdocuments.us/reader034/viewer/2022051320/5aa0e3887f8b9a6c178ebf1b/html5/thumbnails/24.jpg)
Thank you for your attention!