Hiline Steel comprises a traditional range of pre-insulated steel pipe systems that are perfect for district heating and cooling networks.
A rigid, bonded pre-insulated steel pipe system in accordance with EN253. Suitable for district heating, cooling and special applications, it will accept temperatures up to 140°C continuous. Available in metric and imperial sizes – from 20mm to 1,200mm NB, it is supplied in 6 and 12 metre lengths with options for difussion barriers and insulation thicknesses in Series 3, 2 and 1.
Service Pipes
Metric – Seamless Pipe Certified seamless steel pipe manufactured in accordance with EN 10216-2 Grade P235 GH, EN 10216-1/A1 Grade P235 TR1 & P235 TR2, DIN 1629 Grade St 37.0
Metric – Seamed Pipe (Welded) Certified seamed (welded) steel pipe manufactured in accordance with EN 10217-2/A1 Grade P235 GH, EN 10217-5/A2 Grade P235 GH, EN 10217-1 Grade P235 TR1 or P235 TR2, DIN 1626 Grade St 37.0
Available with Diffusion Barrier
Hiline Steel systems are available with a foil diffusion barrier layer between the casing and the PUR foam insulation. This improves the system’s performance over its lifetime by preventing the gas in PUR foam insulation from slowly diffusing through the outer casing and being replaced by air.
