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| Categories | Pre-Insulated Pipe Production Line |
|---|---|
| Brand Name: | Huashida |
| Certification: | CE, ISO9001:2008 |
| Place of Origin: | China |
| MOQ: | 1 |
| Price: | US$100,000.00-1,300,000.00 1 Piece (MOQ) |
| Payment Terms: | T/T |
| Supply Ability: | 20 Sets/Year |
| Delivery Time: | 60days |
| Packaging Details: | Standard Export Package |
| Application: | Hot Chiller Water/Oil /Chemical Material Pipeline |
| Computerized: | Computerized |
| Screw No.: | Single-screw |
| Foaming Thickness: | 30-100mm |
| Specification: | 20-2000mm |
| Principle: | High-Pressure Air Type |
| HS Code: | 8477209000 |
| Company Info. |
| Qingdao Huashida Machinery Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The Polyurethane (PUR) Spraying Polyethylene (PE) Wrapping
Pre-Insulated Pipe Production Line is designed for manufacturing
polyurethane prefabricated direct-buried thermal insulating pipes.
These pipes are widely used in heating, cooling, and crude oil
transportation industries, offering exceptional energy efficiency
and durability.
The rigid polyurethane spraying polyethylene winding prefabricated direct-buried insulation pipe consists of three primary layers:


| No. | DN (mm) | Insulation Layer Thickness (mm) | Outer Casing Diameter (mm) | Min. Outer Casing Thickness (mm) |
|---|---|---|---|---|
| 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 |
The spraying and winding production process ensures uniform insulation density, improves product quality, and reduces production costs.
The PUR spray PE winding pre-insulated pipe production line includes:

Qingdao Huashida Machinery Co., Ltd was established in 2003. Since its inception, Huashida has focused on plastic polyurethane insulation pipe production line, 3PE anti-corrosion pipe production line, large diameter underground pipe production line and plastic pipe joints for 20 years. We always attach great importance to research and development,






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