Qingdao Huashida Machinery Co., Ltd.
| Foaming Machine | High-Pressure Foaming Machine |
| Rust Removal Quality | ≥2.5 Grade |
| Supply Ability | 30 Sets/Year |
| Pipe diameter range | 500-1600MM |
| Packaging Details | Wodden Box |
| Delivery Time | 60DAYS |
| Type | Polyurethane Foam Machine |
| Payment Terms | L/C,D/P,T/T,Western Union |
| Model Number | 50-1600MM |
| Certification | CE, ISO9001:2008 |
| Brand Name | HUASHIDA |
| Place of Origin | QINGDAO,CHINA |
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Product Specification
| Foaming Machine | High-Pressure Foaming Machine | Rust Removal Quality | ≥2.5 Grade |
| Supply Ability | 30 Sets/Year | Pipe diameter range | 500-1600MM |
| Packaging Details | Wodden Box | Delivery Time | 60DAYS |
| Type | Polyurethane Foam Machine | Payment Terms | L/C,D/P,T/T,Western Union |
| Model Number | 50-1600MM | Certification | CE, ISO9001:2008 |
| Brand Name | HUASHIDA | Place of Origin | QINGDAO,CHINA |
| High Light | polyurethane spray foam pipe production line ，pre-insulated steel pipe making machine ，district heating pipe production equipment | ||
PU Spray Foam Pre-Insulated Pipe Production Line for District Heating Pipes
Polyurethane spraying Polyethylene winding pre insulation pipe production line,developed independently by HUASHIDA company, owns a number of national patents. According to the third-party standardization evaluation, the technical advancement level is level 5, reaching the domestic advanced level.
The High-Density PU Spray Foam Pre-Insulated Pipeline Production Facility is constructed from three integral components: a robust working steel pipe, a meticulously sprayed polyurethane insulation layer, and a durable extruded polyethylene outer protective layer. During the production process, the thickness of both the insulation layer and the outer protective layer can be precisely adjusted within a defined range to meet specific project requirements. Quantitative production is meticulously tailored based on the parameters of the medium used in centralized heating and cooling systems, as well as the required insulation layer thickness to effectively manage heat dissipation losses, thereby ensuring optimal performance and satisfaction for diverse projects.
Pipe diameter range: 500-1600MM,Foaming thickness(mm):30-100mm,HDPE Jacket thickness:3-10mm
Technological flow:
PU Foaming spary Preinsulation Pipe Continuous Production Line
| No. | name |
| 1 | External wall Shot blasting rust removel machine |
| 2 | Medium-frequency induction heating furnace |
| 3 | Polyurethane spray foaming unit |
| 4 | pipe rotator trolley |
| 5 | Single screw extruder and diehead mould |
| 6 | Finished pipe ends trimming machine |
| 7 | pipe Conveyers and racks |
| 8 | Electrical system and PLC |
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.
(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). Prefabricated directly buried insulation pipes produced using the "spray winding" process, with polyurethane insulation layer and polyethylene outer protective layer thickness adjustable according to users needs. The production process does not require additional molds and tooling, making it simple and easy to operate. Due to the absence of expansion stress on the polyethylene outer protective layer during foaming in the "spray winding" process, thickness of the polyethylene outer protective layer can be relatively thinner, reducing costs for customers.
(7). The polyethylene outer protective layer is formed by circumferential winding, therefore circumferential elongation and tensile strength are significantly improved. Circumferential strength of polyethylene protective layer is stronger.
(8). As this is a completely automatic production line, Production speed is improved and production quality is consistent and superior.
Qingdao Huashida Machinery Co., Ltd. was established in 2003 and is a manufacturer specializing in thermal insulation and anti-corrosion equipment.We offer one-stop pipeline solutions.Focus on the global international market.The insulation pipe production lines and 3lpe Anti-Corrosion Coating line developed and manufactured by Huashida are widely used in the construction of municipal heating, sewage, water supply, natural gas and communication pipe networks, crude oil pipeline transportation, communication and agricultural irrigation and other fields.
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. company profileQingdao 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 joints a... 1. company profileQingdao 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 joints a...
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