Protection Coating Line: Internal Liquid Coating + External 3LPE, Meeting SA2.5 Surface Standards
• Coating Structure: Internal epoxy layer + External 3PE (polyethylene) layers.
• Key Advantages: Excellent internal chemical resistance (epoxy) + superior external mechanical/environmental protection (3PE), applied over SA 2.5 cleaned surfaces.
• Primary Application: Extensively used to protect oil & gas and water pipelines, significantly increasing their operational life.
Production line parameters:
(1) Steel pipe coverage range: 114mm-4200mm
(2) Processing capacity: ≤250m2/h
(3) Cleaning level: Sa2.5
(4) Materials used: epoxy powder, adhesive, polyethylene, epoxy coating (single component, two-component)
(5) Main equipment: steel pipe external rust removal equipment, steel pipe internal rust removal equipment, medium frequency heating equipment, epoxy powder spraying equipment,
AD adhesive extrusion equipment, PE polyethylene extrusion equipment, cooling equipment, PE groove equipment, high-pressure airless spraying machine, curing furnace heating
and drying equipment, spray marking equipment, catalytic combustion environmental protection equipment, etc.
| Specifications | 159-4200mm |
| Substrate | Steel |
| Coating | Powder coating, extrusion coating |
| Coating Structure | FBE, 2LPE, 3LPE |
| Heating Method | Induction heating |
| Coating Type | Internal, External |
| Coating Materials | Epoxy powder, adhesive, polyethylene |
| Certifications | CE, ISO, RoHS |
3LPE coating line Features:
1. Microcomputer-controlled automatic adjustment of the coordination of various parts of the production line.
2. High-speed shot blasting equipment for internal and external wall rust removal.
3. High-performance electrostatic spraying equipment with good impact resistance.
4. High-quality PE sheet extrusion equipment with good anti-corrosion effect.
5. Energy-saving internal wall coating equipment.
The anti-corrosion coating processing line includes:
-steel pipe transmission system
-Internal and external shot blasting system
-dust collection system
-pipe heating system
-electrostatic spraying system
-PE coating system
-water cooling system
-end cutting system
-hydraulic and pneumatic system
-testing system
-electronic control system
Advanced Technology & Stable Performance: Ensuring highly efficient and reliable operation.
High Automation: Significantly reduces labor costs and improves production efficiency.
Internationally Certified Quality: Superior anti-corrosion properties that meet global standards.
Turnkey Solutions: Comprehensive service from design and installation to commissioning and training.
Proven Expertise: Backed by 389 successful production lines worldwide and a team of 9 senior engineers.
Award-Winning Innovation: Recognized by a national-level expert workstation in China.
Qingdao Huashida Machinery Co., LTD., founded in 2003, is a global developer, manufacturer and solution provider of plastic extrusion equipment. 70% of its customers come from overseas countries such as Europe, America, the Middle East and Southeast Asia.
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