| Warranty | 12 Months |
| Payment Terms | T/T |
| Production Capacity | 10 Unit/Year |
| Color | Any |
| Use Material | Epoxy‑Phenolic Coating |
| Supply Ability | 10 set per year |
| Turnkey Project | yes |
| Delivery Time | 2-3 months |
| Powersupply | 380V/50Hz, 3-phase |
| Packaging Details | 1m*1m*1m |
| Model Number | 406-1422 |
| Certification | ISO9001 |
| Brand Name | HUASHIDA |
| Place of Origin | China |
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Product Specification
| Warranty | 12 Months | Payment Terms | T/T |
| Production Capacity | 10 Unit/Year | Color | Any |
| Use Material | Epoxy‑Phenolic Coating | Supply Ability | 10 set per year |
| Turnkey Project | yes | Delivery Time | 2-3 months |
| Powersupply | 380V/50Hz, 3-phase | Packaging Details | 1m*1m*1m |
| Model Number | 406-1422 | Certification | ISO9001 |
| Brand Name | HUASHIDA | Place of Origin | China |
| High Light | Steel pipe inner wall epoxy coating ,Anti-corrosion liquid epoxy spraying line ,Pre-insulated pipe production coating line | ||
The steel pipe internal liquid epoxy coating production line is an efficient anti-corrosion solution specially designed for steel pipe inner-wall protection. High-pressure airless spraying technology is adopted to apply liquid epoxy coating onto the pipe interior. The finished coating delivers strong adhesion, excellent chemical resistance, reduces inner-surface roughness and flow resistance, prevents medium pollution and internal scaling, greatly extends pipe service life and cuts long-term O&M costs.
This production line is widely applicable for oil & gas transmission pipelines, water supply & drainage pipelines and other process steel pipes.
This production line is widely applicable for oil & gas transmission pipelines, water supply & drainage pipelines and other process steel pipes.
Main Functions of Internal Pipe Coating
Long-term corrosion protection: Isolate steel substrate from transported media (oil, gas, water etc.) to avoid chemical and electrochemical corrosion.
Improve transportation efficiency: Lower inner-wall roughness to reduce fluid friction resistance.
Anti-fouling performance: Prevent medium contamination and internal scale / deposit formation.
Cost optimization: Extend pipeline service life and reduce full-life-cycle operation and maintenance expenses.
Typical Coating Structure & Process Flow
Abrasive blast cleaning: Shot-blast the inner surface to reach Sa 2.5 cleanliness grade, obtain clean metal substrate with proper anchor profile for high coating adhesion.
High-pressure airless spraying: Apply high-performance liquid epoxy primer uniformly on inner pipe wall, forming dense, smooth and firmly-bonded primary anti-corrosion layer.
Optional functional topcoat: Extra wear-resistant or anti-fouling topcoat can be applied according to actual working conditions.
Thermal curing: Cure coating inside curing oven to form continuous, intact and compact protective lining.
| No. | Equipment Name | Description |
|---|---|---|
| 1 | Internal Pipe Shot Blasting Unit | Inner-wall abrasive blasting for surface pretreatment |
| 2 | High-Pressure Airless Spraying System | Core unit for uniform liquid epoxy coating application; equipped with movable spraying trolley & long spray lance |
| 3 | Curing Oven (Heating & Drying) | Chain-conveyor design for automatic heating and full curing of internal coating |
| 4 | Catalytic Combustion Environmental-protection Unit | Treat process waste gas, reduce air pollution and meet emission requirements |
| 5 | Marking Spraying Unit | For pipe product marking |
| 6 | Electrical Control System | Integrated PLC control for whole-line automatic operation |
| 7 | Other auxiliary devices | Supplied upon customer's requirements |
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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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