Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"High-Efficiency 3LPE Coating Pipe Production Line with 50-4200mm Range,","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/0e\/60a45faa38b2cfab345df3247e37-200x200-1\/high_efficiency_3lpe_coating_pipe_production_line_with_50_4200mm_range_2c.jpg","attrs":{"Brand Name":"huashida","Certification":"CE, ISO, RoHS","Place of Origin":"qingdao,China","Minimum Order Quantity":"1"}}
{"title":"3lPE FBE Insulation Anti-corrosion Coating Line of Steel Pipe","imgUrl":"https:\/\/img.chinax.com\/nimg\/cc\/ac\/a6af176a2217c202b5a0140e2dab-200x200-1\/3lpe_fbe_c2_a0insulation_anti_corrosion_coating_line_of_steel_pipe_c2_a0.jpg","attrs":{"Brand Name":"Huashida","Model Number":"50-4200mm","Certification":"CE, ISO, RoHS","Place of Origin":"Qingdao China"}}
{"title":"159mm-1600mm 3PE Anti Corrosion Steel Pipe Production Line","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/22\/5483b28243f31e51d15a5a4e62ae-200x200-1\/159mm_1600mm_3pe_anti_corrosion_steel_pipe_production_line.jpg","attrs":{"Brand Name":"Huashida","Place of Origin":"China","Minimum Order Quantity":"1","Price":"356000"}}
{"title":"426-820mm 3LPE Internal & External Blasting Coating Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/ba\/0d\/ebd8440b8a3998d882407cb080f8-200x200-1\/426_820mm_3lpe_internal_26_external_blasting_coating_equipment.jpg","attrs":{"Brand Name":"Huashida","Certification":"CE, Rohs\uff0cTUV","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"900kW Automated 3PE Steel Epoxy Powder Anti Corrosion Pipe Coating Production","imgUrl":"https:\/\/img.chinax.com\/nimg\/54\/56\/97280b81b44d4b8ef3d3d4840d5e-200x200-1\/900kw_automated_3pe_steel_epoxy_powder_anti_corrosion_pipe_coating_production_line.jpg","attrs":{"Brand Name":"Huashida","Certification":"CE, Rohs\uff0cTUV","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Steel Pipe 3layer PE Anti Corrosion Epoxy Powder Coating Machine Production Line","imgUrl":"https:\/\/img.chinax.com\/nimg\/98\/0e\/324eb684acf0cf6f742e3e99f007-200x200-1\/steel_pipe_3layer_pe_anti_corrosion_epoxy_powder_coating_machine_production_line.jpg","attrs":{"Brand Name":"Huashida","Certification":"CE, Rohs\uff0cTUV","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Customize 4-48 Inches 3PE Pipe Anti Rust Spraying Coating System","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/e9\/9c3c111c6d8b4a409c04970f1e18-200x200-1\/customize_4_48_inches_3pe_pipe_anti_rust_spraying_coating_system.jpg","attrs":{"Brand Name":"Huashida","Certification":"CE, Rohs\uff0cTUV","Place of Origin":"China","Minimum Order Quantity":"1"}}
3-Layer Polyethylene (3LPE) Anti-Corrosion Steel Pipe Coating Line
Product Overview
The 3-Layer Polyethylene (3LPE) Anti-Corrosion Steel Pipe Coating Line is designed to provide superior protection for steel pipelines used in oil, gas, water, and industrial fluid transportation. The 3LPE anti-corrosion steel pipe features three specialized layers:
First Layer – Epoxy Powder Coating: Applied directly onto the steel surface to provide excellent adhesion and outstanding corrosion resistance.
Second Layer – Copolymer Adhesive: A bonding layer with branched functional groups ensuring strong integration between the epoxy and polyethylene layers.
Third Layer – High-Density Polyethylene (HDPE): The outer protective layer offers high mechanical strength, low water absorption, and long-term durability.
These layers form a highly effective anti-corrosion system, widely recognized for ensuring pipeline safety and longevity.
Key Advantages
Excellent Sealing Performance: Minimizes leakage and energy loss during long-term operation.
Strong Corrosion Resistance: Resists chemical and environmental damage even under harsh conditions.
Long Service Life: Expected life span of 30–50 years, reducing maintenance and replacement costs.
Low-Temperature Performance: Maintains structural integrity and protection under cold conditions.
Low Water Absorption: HDPE layer prevents moisture penetration, enhancing durability.
High Mechanical Strength & Impact Resistance: Protects pipelines from external forces during installation and operation.
Cost-Effective Production: Combines reliable performance with an efficient and economical production process.
Technical Parameters
Parameter
Description
Pipe Diameter Range
50 – 4200 mm
Processing Capacity
≥ 250 m²/h
Surface Cleaning Standard
≥ Sa2.5
Production Materials
Epoxy powder, adhesive, polyethylene
Coating Application Methods
Winding type or round mold wrapping type
Our Advantages
Advanced Technology: Designed based on global best practices and continuously improved.
Stable Operation: Reliable performance with minimal downtime.
High Degree of Automation: Reduces labor costs and increases efficiency.
International Quality Standards: Meets ISO and other global certifications.
Full Turnkey Solutions: From design, installation, and commissioning to operator training.
Global Experience: Successfully deployed in 389 installations worldwide.
Professional Technical Team: 9 senior engineers with access to a high-end plastic machinery equipment expert workstation in China.
Technological Process Flow
Upload Pipes
Pipe Screw Conveyor Transport
Rust Removal (Surface Preparation)
Intermediate Frequency Heating
Epoxy Powder Coating Application
Adhesive and HDPE Outer Layer Coating
Cooling Spray
Pipe End Grinding
Final Inspection & Unloading
Main Equipment List
A. Derusting Equipment
Pipe Wheel Conveyor
Shot Blasting Machine
Cyclone Dust Collector
Pulse Dust Collector
Centrifugal Exhaust Fan
Rust Removal Equipment PLC
B. Coating Equipment
Pipe Wheel Conveyor
Induction Heating Device
Powder Spraying Device
Automatic Loading Dryer
SJ-65/30 Extruder
SJ-120/30 Extruder
Hot Melt Adhesive Extruder Die
PE Sheet Extruder Head Mold
Hot Melt Adhesive / PE Sheet Coating Device
Environmental Protection Ventilation Equipment
Cooling Spray Equipment
C. Platform Equipment
Steel Pipe Uploading Platform
Downloading Platform
Pipe Storage Platform
Turnover Mechanism
D. Groove Equipment
PE Beveling Machine
Hydraulic Lifting and Turning Machinery
Hydraulic Equipment
PLC Automatic Control System
Applications
3LPE-coated steel pipes are widely used in critical infrastructure projects, including:
Oil & Gas Transportation Pipelines
Urban Gas Distribution Systems
Municipal Water Supply Networks
Industrial Fluid Transmission Systems
Company Profile
Qingdao Huashida Machinery Co., LTD is a leading manufacturer of plastic pipe machines, municipal pipe machines, pipe insulation & anti-corrosion machines, and pipe jointing & anti-corrosion materials, with over 21 years of production experience.
Main Products Include:
HDPE jacket pipe production lines for pre-insulated pipes (110-2000mm)
Rigid pre-insulated pipe production lines
Flexible pre-insulated pipe (PERT) production lines
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...
