3LPE (Three-Layer Polyethylene) coated steel pipes feature a multi-layered structure designed for superior corrosion resistance and durability. The coating system includes:

• First Layer: Fusion-bonded epoxy (FBE) for strong adhesion to the steel and excellent corrosion protection
• Second Layer: Copolymer adhesive for bonding the epoxy and PE layer
• Third Layer: High-density polyethylene (HDPE) for mechanical protection

This three-layer coating is widely recognized as one of the most effective anti-corrosion systems for buried steel pipelines.

• Exceptional Sealing Performance: Reduces energy loss, minimizes maintenance, and extends pipeline life
• High Corrosion Resistance: Withstands harsh environments with a service life of 30-50 years
• Low-Temperature Impact Resistance: Maintains flexibility and toughness even in cold climates
• Excellent Bonding: Combines high epoxy strength, low PE water absorption, and strong adhesive softness
• Reliable & Cost-Effective: Simplified production process, low cost, and excellent anti-corrosion effect
• Versatile Application: Suitable for gas, oil, water, and other fluid transportation pipelines

• Pipe Diameter Range: 50-4200 mm
• Production Capacity: ≥250 m²/h
• Surface Cleaning Level: ≥Sa 2.5
• Materials Used: Epoxy powder, copolymer adhesive, polyethylene

• Oil and gas transportation pipelines
• Urban gas distribution networks
• Water supply systems
• Industrial fluid pipelines

Qingdao Huashida Machinery Co., LTD is a manufacturer of series of plastic pipe machines, municipal pipe machines, pipe insulation & anticorrosion machines, and pipe jointing & anticorrosion materials, with 21 years of production experience.

• HDPE jacket pipe for pre-insulated pipe Production Line (110-2000mm)
• Rigid pre-insulated pipe Production Line
• Flexible pre-insulated pipe (PERT) production line
• Steel pipe FBE/2LPE/3LPE anti-corrosion coating line
• Steel pipe derusting line
• PE pressure pipe/Water Gas supply pipe production line
• PP/PE plastic board/sheet/geomembrane production line
• NBR PVC Thermal insulation tube/plate production line
• Pipeline anti-corrosion materials and instruments: heat shrink joint coating sleeve, electro-fusion weldable joint sleeve, portable welding gun (extruder), PE PP welding rod

We have been working with more than 400 overseas customers and exporting our products to Kazakhstan, Uzbekistan, Iran, Turkey, Russia, Nigeria and other countries.