Continously/Discountinously Poly and ISO spray foaming insulation pipe extrusion machine
Size: 426-1600mm(Constinously Production Line)
Intermittent Production line is available aslo
Isolated heat layer and anti-corrosion layer are wrapped on plasti pipe at the same time, continuous production, high efficiency and low cost;
Feature: Inner layer ppr/pe pipe, middle layer PU foam, outer layer pe jacket; Snychronized from Steel pipe Shot Balsting to end insulation pipe;Rigid polyurethane spraying polyethylene winding prefabricated direct buried insulation pipe is composed of working steel pipe for conveying medium, sprayed polyurethane rigid foam insulation layer and winding polyethylene outer casing. The product structure is shown in the figure below:
In line complete automatic hydraulic deviation revising machine, high precision, stable and reliable
Multi-roller pressing transmission to convey plastic pipe stability;
The scope of application of the insulation pipe
1. anti-corrosion, thermal insulation pipeline in the field of heating, cooling and crude oil transportation.
2. Medium temperature: ≤120°C (incidental peak value <140°C).
3. Medium pressure: ≤2.5MPa.
4. Laying method: It is mainly used for direct burial laying, and can also be used for trench or overhead laying of pipelines.
Advantages of Polyurethane spray insulation pipe:
1. The density of polyurethane is uniform and controllable.
2. Polyurethane rigid foam has no empty spaces.
3. The surface of polyurethane foam is rough, the shear strength (friction) to the polyethylene outer casing is greater than 200Kpa.
4. The thickness of the polyurethane insulation layer and the thickness of the polyethylene outer casing can be adjusted according to the design.
5. The production has a high degree of automation.
Shot Blasting and Spray PU foam Room
Foam Unit
Extruder Clading PE jacket and Cooling System
Transmissiong Line
Finish Pipe
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