Qingdao Huashida Machinery Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 15 sets per year |
| Delivery Time | 90-120 days |
| Packaging Details | bare |
| Coating type | External 3LPE internal liquid spray |
| Pipe diameter | 114-4200mm |
| Shot blasting | external and internal |
| Cleaning level | Sa2.5 |
| Cleaning capacity | 250m2/h |
| Liquid spray method | High-pressure airless spray |
| Brand Name | HUASHIDA |
| Model Number | 114-4200 |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 15 sets per year |
| Delivery Time | 90-120 days | Packaging Details | bare |
| Coating type | External 3LPE internal liquid spray | Pipe diameter | 114-4200mm |
| Shot blasting | external and internal | Cleaning level | Sa2.5 |
| Cleaning capacity | 250m2/h | Liquid spray method | High-pressure airless spray |
| Brand Name | HUASHIDA | Model Number | 114-4200 |
| Certification | ISO | Place of Origin | China |
| High Light | Internal epoxy spray coating for steel pipes ，3LPE coating pipe production line ，Steel pipe corrosion protection coating | ||
Internal Epoxy Liquid Spray Coating Line for steel pipe corrosion protection with external 3LPE shot blasting
The integrated 3LPE pipe coating line—featuring shot blasting, internal liquid epoxy spraying, and a curing process—forms a highly efficient corrosion protection system for steel pipes.
The external three-layer polyethylene (3LPE) coating employs a multi-stage composite design. It starts with a fusion-bonded epoxy powder base layer that provides essential corrosion inhibition. A specialized copolymer adhesive is then applied to ensure durable interlayer bonding, followed by an outer polyethylene sheath that delivers strong mechanical protection and sustained resistance to environmental exposure.
For internal protection, a liquid epoxy coating is spray-applied to the pipe interior. This lining exhibits excellent adhesion and outstanding chemical resistance, effectively preventing corrosion caused by transported substances including oil, natural gas, and water.
This dual-sided coating approach is widely used in oil and gas transmission pipelines, water supply networks, and drainage systems. It substantially extends the operational lifespan of pipelines while enhancing their reliability.
Huashida provides high-performance, innovative, and cost-effective coating solutions. With specialized expertise in integrating internal liquid epoxy linings and external 3LPE coatings, we support global clients in achieving extended pipeline service life, lowered maintenance expenses, and dependable project delivery.
Production Line Specifications:
(1) Pipe Diameter Range: 114 mm - 4200 mm
(2) Processing Capacity: ≤250 m²/h
(3) Cleaning Standard: Sa 2.5 Grade
(4) Materials Used: Epoxy Powder, Adhesive, Polyethylene, Epoxy Coating (Single-Component, Two-Component)
Main Equipment (Please contact us for customizing your production line)
| No. | Equipment name | Notes |
| 1. | External Pipe Shot Blasting Line |
|
| 2. | Internal Pipe Shot Blasting Line |
|
| 3. | Medium-Frequency Induction Heating System |
|
| 4. | Epoxy Powder Spraying Unit |
|
| 5. | AD Adhesive Extrusion Unit |
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| 6. | PE Polyethylene Extrusion Unit |
|
| 7. | Cooling Unit |
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| 8. | PE Beveling Unit |
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| 9. | High-Pressure Airless Sprayer |
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| 10. | Curing Oven Heating & Drying Unit |
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| 11. | Marking Spraying Unit |
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| 12. | Catalytic Combustion Environmental Protection Unit |
|
| 13. | Others by orders | |
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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