76-325mm O-Type 3LPE 2LPE FBE Steel Pipe Coating Line for Small Pipeline

This 76-325mm O-type extrusion 3LPE 2LPE FBE steel pipe coating line is purpose-built for small diameter pipeline coating - not a scaled-down version of large-bore equipment, but a complete system sized and calibrated specifically for the 76-325mm range. It includes integrated systems for steel pipe transmission, shot blasting, dust collection, intermediate-frequency pipe heating, electrostatic powder spraying, PE and adhesive coating, water cooling, edge cutting, hydraulic/pneumatic operation, inspection, and full electric control.

With exceptional resistance to chemical degradation, the 3LPE-coated, O-type extruded small diameter steel pipe produced on this line demonstrates remarkable stability against acids, bases, salt solutions, and oxidizers. This makes it well suited for small pipeline projects in municipal water supply, oil & gas gathering lines, and industrial fluid transportation - applications where smaller-bore pipe demands precision equipment rather than oversized machinery running below its intended range.

• Purpose-Built for Small Pipeline Projects: Engineered specifically for 76-325mm diameter pipe, avoiding the inefficiency of running small pipe through large-bore equipment.
• 76-325mm Precision Diameter Range: Covers the full small-bore spectrum (including 76/89-273mm and 76/89-305mm configurations) in one line.
• ≥150m²/h Processing Capacity: High throughput even at small diameters, keeping schedule-sensitive small pipeline projects on track.
• Failure Rate Below 0.5%: All-weather stable operation backed by automated PLC control.

The standardized workflow ensures uniform coating thickness and stable adhesion across the full 76-325mm range:

1. Pipe Loading: Automated upload via screw conveyor
2. Surface Treatment: Shot blasting rust removal to ≥Sa2.5 cleanliness
3. Induction Heating: Precision intermediate-frequency heating for optimal coating adhesion
4. FBE Coating: Electrostatic epoxy powder spraying for the base anti-corrosion layer
5. 3LPE/2LPE Application: O-type co-extrusion of adhesive and polyethylene layers
6. Cooling & Finishing: Water spray cooling followed by automated pipe end grinding/beveling
7. Unloading: Systematic discharge for storage and transport

• Right-Sized for Small Diameter Work: Purpose-built O-type co-extrusion technology delivers uniform, compact anti-corrosion coating calibrated for 76-325mm pipe - not adapted from large-bore machinery
• All-weather stable running design, equipment failure rate below 0.5%
• Full automatic production configuration, reducing labor cost by over 40%
• Compliant with ISO and CE international anti-corrosion certification standards
• One-stop lifecycle service: scheme design → factory installation → on-site commissioning → technical training
• Supported by professional R&D team for small-diameter pipe coating equipment customization

Qingdao Huashida Machinery Co., Ltd. is a manufacturer of plastic pipe machines, municipal pipe machines, small and large diameter pipe insulation & anti-corrosion machines, and pipe jointing & anti-corrosion materials, with 21 years of production experience.

Our main products are: 1. HDPE jacket pipe for pre-insulated pipe Production Line (110-2000mm) 2. Rigid pre-insulated pipe Production Line 3. Flexible pre-insulated pipe (PERT) production line 4. Steel pipe FBE/2LPE/3LPE anti-corrosion coating line - including dedicated small diameter (76-325mm) configurations 5. Steel pipe derusting line 6. PE pressure pipe/Water Gas supply pipe production line 7. PP/PE plastic board/sheet/geomembrane production line 8. NBR PVC Thermal insulation tube/plate production line 9. 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 worked with more than 400 overseas customers, exporting to Kazakhstan, Uzbekistan, Iran, Turkey, Russia, Nigeria, and other countries.