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PU spraying PE winding pre-insulated pipe production line
PU spraying PE winding pre-insulated pipe production line is used for the production of polyurethane prefabricated direct buried thermal insulating pipes, which are widely used in the field of heating, cooling, and crude oil transportation.
1. The density of polyurethane is uniform and controllable.
2. Polyurethane rigid foam has no empty spaces.
No. |
(DN) |
The thickness of the insulation layer |
Outer casing dia. |
Min. thickness of the outer casing |
| 1 | 500 | 30-60 | 598-658 | 4.5 |
| 2 | 600 | 30-60 | 700-760 | 5.0 |
| 3 | 700 | 30-60 | 790-850 | 5.0 |
| 4 | 800 | 30-60 | 891-951 | 5.5 |
| 5 | 900 | 30-60 | 992-1052 | 6.0 |
| 6 | 1000 | 30-60 | 1093-1153 | 6.5 |
| 7 | 1100 | 30-60 | 1194-1254 | 7.0 |
| 8 | 1200 | 40-100 | 1316-1436 | 8.0 |
| 9 | 1400 | 50-100 | 1538-1678 | 9.0 |
| 10 | 1620 | 50-100 | 1738-1840 | 10.0 |
Qingdao Huashida Machinery Co., Ltd is one of the top manufacturers of plastic extrusion machines in China, specialized in dealing with Steel pipe in terms of anticorrosion and insulation technology, R&D of the coating technique, design and manufacture of the equipment for coating, products and materials, researching and development of plastic extrusion equipments, especially of Vacuum Calibrating method PE insulation jacket pipe extrusion line, and PE hollow wall spiral pipe production line, PE PP sheet extrusion line, and pipe joints and welding tools such as heat shrinkable sleeve, Electro fusion sleeve etc.
Up to now, We have successfully entered the oversea markets of Russia, Iran, UAE, India, Belarus, Kazakhstan and son on. Our pipeline production line is nearly 50sets at home and abroad.
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