3lpe Coated Steel Pipe Manufacturing Line for Oil, Gas and Water Pipelines

• Customization: Available
• After-sales Service: Technical Service with Free, Training The Workers
• Warranty: 12 Months
• Model NO.: 3pe
• Type: Coating Production Line
• Coating: Powder Coating
• Substrate: Steel
• Certification: CE, ISO, RoHS
• Condition: New
• Clean Level: >=SA2.5
• Coating Layer: Internal&External Pipe Wall
• Output Speed: 0-6m/Min
• Coating Thickness: 150-800um
• Coating Material: Fbe Powder
• 3PE Structure: Epoxy+Adhesive+PE
• Coating Type: Fbe, 2lpe, 3lpe, 2lpp, 3lpp
• Transport Package: Standard Package
• Specification: 300-4200mm
• Trademark: huashida
• Origin: Qingdao, China
• HS Code: 8479819000
• Production Capacity: 30 Sets/Year
• Package Size: 1200.00cm * 230.00cm * 260.00cm
• Package Gross Weight: 1000.000kg

Product Description

3 Layer Polyethylene (3LPE) Anti-Corrosion Steel Pipe Production Line for Oil & Gas

The 3-layer polyethylene (3LPE) anti-corrosion steel pipe production line is designed to apply a high-performance three-layer protective coating to steel pipes. By integrating advanced coating technology with high-quality materials, the system ensures reliable and long-lasting corrosion protection for pipelines used in demanding environments.

The coating structure produced by the line consists of three functional layers:

Base Layer: Fusion bonded epoxy (FBE) powder coating is applied to the surface of the steel pipe, forming a strong bond and providing excellent corrosion resistance.

Middle Layer: A copolymer adhesive layer with functional groups is applied to firmly bond the epoxy base layer with the outer polyethylene layer.

Outer Layer: High-density polyethylene (HDPE) is extruded as the outer protective layer, offering strong mechanical protection, low water absorption, and excellent environmental resistance.

Through this three-layer coating process, the production line ensures uniform coating quality, enhanced pipeline durability, and extended service life.

Our Advantages

High Sealing Performance: The coating system provides excellent sealing capability. During long-term operation, it helps reduce energy loss, lower operating costs, and minimize environmental impact.

Outstanding Corrosion Resistance: The 3LPE coating offers strong protection against corrosion. It features a simple and efficient application process and provides a long service life of 30–50 years.

Excellent Low-Temperature Performance: The coating maintains strong corrosion resistance and impact resistance even in low-temperature environments, ensuring reliable pipeline protection.

Optimized Material Structure: By combining the high bonding strength of epoxy powder, the low water absorption of polyethylene, and the flexibility of hot-melt adhesive, the coating system achieves excellent durability and reliability.

Cost-Effective Solution: The production process is efficient and stable, delivering superior anti-corrosion performance with high cost-effectiveness while meeting international standards.

Technological processes

Upload pipes→pipes screw conveyor→rust removal → intermediate frequency heating→Epoxy powder coating→outer layer adhesive polyethylene coating→cooling spray→pipes screw conveyor→grinding pipe ends→dowload pipes

Product Parameters

No.	Name	Specification
A. Surface Cleaning Equipment
1	Steel pipe conveyor	Adjustable speed and angle, pipe uploading and unloading controlled by PLC
2	Shot blasting machine
3	Cyclone dust collector	High efficient  downwind cyclone dust removal
4	Impulse cartridge dust collector
5	Centrifugal fan
6	PLC control system	Automatic control of the line
B. Coating Equipment
1	Spiral pipe conveyor	Adjustable speed and angle
2	Induction heating machine
3	Powder spraying device	Spraying thickness 80-800μm
4	Automatic feeder&dryer
5	SJ-65/30 Extruder
6	SJ-180/30 Extruder

7	Adhesive extruder die mould	High quality die steel
8	PE sheet extruder die mold	High quality die stee
9	Adhesive/PE sheet coating device	Pressing roller with silicon coating and internal cooling
10	Environmental Protection Ventilation equipment
11	Cooling Spray equipment
C.Platform Equipment
1	Steel pipe platform	High quality
D.Groove Equipment
1	PE Beveling Machine	Steel brush disk,
2	Hydraulic Lifting and Turning Machinery	For lifting and turning the pipe
3	Hydraulic Equipment

Application

3LPE anti-corrosion coating is an ideal outer protective layer for buried pipelines and is widely used in:

Oil and gas transportation: natural gas and oil long-distance pipelines.
Urban gas supply: urban gas pipeline network.
Water supply pipeline: urban and industrial water supply system.
Other fluid transportation: chemical, sewage treatment and other pipeline systems.
Performance improvement: high electrical insulation, waterproof, wear-resistant, anti-aging, and enhanced pipeline mechanical properties.

Company Profile

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.
Welcome to our factory to discuss cooperation!

Certifications