Steel pipe

HDPEpolyurethanefoam

Prefabricated directly buried insulated pipe High quality Pre-insulation pipe Pre-insulated pipe specification Name - Pre-insulated Pipe Item NO. - DN400mm structure - work steel pipe/polyurethane insuation layer /HDPE outer protection pipe the material of insuation layer - polyurethane foam dia and thinkness of steel pipe - 426*7.0mm dia and thickness of HDPE pipe - 560*8.8mm Thickness of insulation layer - 58.2mm Installation Method - 1.cold installation 2.Prestress Installation 3.Preheat Installation Method 4.One-Time Compensator Installation Me Advantage of the pre-insulated pipe 1. - good insulation properties 2. - low heat loss 3. - heat loss is 25% of the traditional pipe. 4. - energy saving 5. - about 30 yeas move the service life, low cost 6. - has a strong waterproof and corrosive resistance and high mechanical strength 7. - no attached trench ,can be directly buried in the ground or water.