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HDPE one step PU insulating pipe production line  

Plastic machinery 

One Step PU Insulating Pipe Production Line The technology is to cover the steel tube surface with insulation layer& anti-corrosion layer at the same time, thus forms insulating& anti-corrosion layer of the pepeline, which is pioneer way in China, Compred wich other methods, it features continuous operation, high efficiency, low ost, energy saving, environment pollution-free and so on. Progress second prize, several technology update to the advanced international lever. After updating technology, it has reached internation advanced lever.Technical features:

can be operated continuously, high production efficiency, low cost, energy saving automatic deviation adjusting machine, high exactness, steady working, effective correction the whole line all conveyed by rubber wheel, avoid damage to anti-corrosion layer of steel tube Jacket layer stick with foam layer, foam layer stick with anti-corrosion layer, anti-corrosion layer firmly stick with steel tube.

1.HDPE External Pipe

2. PU Insulation Layer

3. Steel Pipe

Specification table of one step moulds

Steel Tube Size(mm)	Tube Wall Thickness(mm)	Insulating Layer(mm)
45	2.0	29
57	2.0	29
76	2.2	30
89	2.2	30
108	2.4	30
133	2.4	30
159	2.5	40
219	2.5	40
273	3.0	40
325	3.0	40
377	3.5	40
426	4	50