Qingdao Huashida Machinery Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Delivery Time | come to an agreement in respect of the delivery time |
| Packaging Details | Packing according to Machine |
| Pipe Usage | PU Pre-Insulation |
| Insulation Material | Polyurethane Foam |
| Control System | PLC |
| Pipe Structure | Steel Working Pipe-Polyurethane Foam-HDPE Casing |
| Power | 3-Phase 380V (-10%, +5%) 50Hz |
| Working Speed | 1-10 meters per minute |
| Production Speed | 10-20m/min |
| Brand Name | HUASHIDA |
| Certification | ISO9001 |
| Place of Origin | Qingdao，Shandong，China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Delivery Time | come to an agreement in respect of the delivery time |
| Packaging Details | Packing according to Machine | Pipe Usage | PU Pre-Insulation |
| Insulation Material | Polyurethane Foam | Control System | PLC |
| Pipe Structure | Steel Working Pipe-Polyurethane Foam-HDPE Casing | Power | 3-Phase 380V (-10%, +5%) 50Hz |
| Working Speed | 1-10 meters per minute | Production Speed | 10-20m/min |
| Brand Name | HUASHIDA | Certification | ISO9001 |
| Place of Origin | Qingdao，Shandong，China | ||
| High Light | polyethylene thermal winding insulation pipe production line ，PU Pre-Insulation production line | ||
Prefabricated Polyurethane Spraying Insulation HDPE Winding Protective Jacket Directly Buried Steel Pipe
Product description
The polyurethane sprayed polyethylene thermal winding insulation pipe production line independently developed by Huashida, consists of three parts: External shot blasting and derusting production line, polyurethane spraying production line, and PE winding production line. The line has a number of national patents, and the third-party standardized evaluation report has a technology advanced level of 5, reaching the domestic leading level. And won the first set of technical equipment in Shandong Province.
Technological flow:
Upload pipes→pipes conveyor→rust removal→intermediate frequency heating→Epoxy powder coating→Middle layer &polyethylene stripe winding→water cooling→pipes conveyor→ pipe chamfer→unload pipes
5. Trim the pipe ends
Features of the polyurethane spraying PE winding insulation pipe
(1). Density, thermal conductivity, compressive strength and other indices of the polyurethane insulation layer are uniform and consistent. Therefore overall performance of the pipe is superior.
(2). The polyurethane insulation layer is formed by free foaming. Since polyurethane is foamed perpendicular to the axial direction of the pipe, compressive strength of the insulation layer is improved.
(3). The polyurethane insulation layer is formed after spraying. The raw materials are sprayed onto the outer surface of the steel pipe in a liquid form, and then begins to foam. Due to the high reaction activity of the spraying polyurethane raw materials, adhesion between steel pipe surface and polyurethane foam layer is stronger.
(4).Roughness of the surface of polyurethane foam layer is more conducive to increase bonding effect between insulation layer and outer HDPE protective layer.
(5). Polyurethane insulation layer can be sprayed according to the thickness required by customers with a thickness of 15-20mm. Costs can be significantly saved.
(6). As this is a completely automatic production line, Production speed is improved and production quality is consistent and superior.
Main accessories
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 |
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. Our Factory Qingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe... 1. Our Factory Qingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe...
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