• EN 253 polyurethane foam thermal insulation coating for steel pipes

Polyurethane foam thermal insulation coating is suitable for various indoor and outdoor pipelines,such as central heating pipeline, central air-containing pipeline, chemical engineering, medicine pharmaceutical industry pipe, heat preservation, cold insulation engineering, etc. We can provide OEM service and can design pipe coating of different colors and coating thicknesses for you according to your usages.Just contact us and get your high quality and fast delivery goods.

Specifications:

Standard EN 253
Processing ability OD:38mm-1620mm;WT:2mm-30mm
Length 6-14m
Packing PE/BE,plastic cap,bundling
Technique External surface on welded pipe or seamless pipe
Application Insulation and cold insulation pipeline
Service condition Salt,alkaline or sour;underground
Place of origin China
MOQ 3 pieces
Transportation 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port
→America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea,
Australia…(shipping)

2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”)
Khorgos port(Пограничный пункт “Хоргос”)
→East Asia, Uzbekistan,Kazakhstan,Kyrgyzstan…(Train)
Erlianhot port→Mongolia(Train and Truck)
Manchuria port→Russia(Train and Truck)

The minimum thickness of protective layer and insulation layer

for conveying the media below 100℃ (mm)

Forming Process Outer Diameter Axial eccentricity The minimum thickness of protective layer
One-stop Method Ф48-144mm ±3 ≥1.4
Ф159-377mm ±5 1.6
> Ф377mm ±5 1.8
Pipe-in-pipe ≤ Ф159mm ±3 2
Ф168-245mm ±4 3
Ф273-377mm 4
≥ Ф426mm ±5 4.5
Outer diameter and the minimum wall thickness of protection pipe of insulation pipe for conveying media between 100℃~120℃ (mm)
OD 110 125 140 160 200 225 250 280 315 355 365
Min.WT 2.5 3 3.2 3.5 3.9 4.4 4.9 5.6
OD 400 420 450 500 550 560 630 655 710 760 850
Min.WT 6.3 7 7.8 8.8 9.8 11.1 12
OD 950 955 995 1045 1155 1200
Min.WT 12 13 12 13 14 14
Note: Other protection pipes can be used according to the customers’ requirements, but the minimum thickness of protection pipes should be sure as per interpolation method in the table above.

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EN 253 polyurethane foam thermal insulation coating for steel pipes

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