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China CNC Induction Heating Pipe Bending Machine Factory | High-Precision Suppliers for Petrochemical Industry
Product Description
Automatic Fast Heating Induction Bending Tube/Pipe Bender is a high-precision, efficient, and intelligent pipe processing equipment, specially designed for bending metal pipes of various materials and specifications. Adopting advanced numerical control technology and induction heating principle, it breaks through the limitations of traditional bending methods, realizing precise forming of pipes with minimal deformation, and is widely used in petroleum, chemical, aerospace, shipbuilding, power engineering, and other key industries.
Key Features & Benefits
| Feature | Petrochemical-Specific Benefit |
|---|---|
| High-Frequency Induction Heating | Precise, localized heating (800–1100°C) eliminates overheating risks in heat-affected zones (HAZ), critical for maintaining material integrity in high-pressure piping. |
| Full CNC Control System | Siemens PLC + touchscreen control ensures ±0.1° bend angle accuracy and consistent wall thickness reduction (≤12%) across carbon steel, stainless steel, duplex, and Inconel alloys. |
| Large Diameter & Thick-Wall Capability | Processes pipes up to DN1600 (63") OD and 120mm wall thickness, supporting full-size API 5L grade pipes for high-pressure process lines. |
| Advanced Ovality & Radius Control | Real-time temperature monitoring and servo-driven feed systems maintain ovality ≤1.5% for 3D/5D/7D bends, meeting ASME B31.3 specifications for leak-tight joints. |
| Water-Cooled Inductor & Cooling System | Dual-circuit cooling prevents material grain growth and scaling, ensuring mechanical properties remain intact for harsh refinery environments. |
| Heavy-Duty Hydraulic Push System | 100-ton+ push force for smooth, uniform pipe feeding, minimizing material stress and ensuring bend consistency in long production runs. |
Bending Capacity
✓
Pipe type: SS pipe, alloy steel pipe, carbon steel pipe, Titanium pipe
✓
Pipe Diameter: 57mm-1420mm
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Pipe wall thickness: 5-120mm
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Bending radius: 2D-5D, support customized 1.5D or over 6D
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Bending speed: 1-100mm/min
Bending Process
Technical Parameters
| Model | Pipe dia (mm) | Wall Thickness (mm) | Max Thrust (T) | Radius | Angle (°) | Bending Speed (mm/min) | Heating Power (KW) |
| WGYC-219 | 76-219 | 18/28/40 | 60 | ＞1.5D | 0-180 | 0.3-4 | 160 |
| WGYC-325 | 76-325 | 18/28/40 | 70 | ＞2.5D | 0-180 | 0.25-3 | 200 |
| WGYC-426 | 108-426 | 18/28/40 | 100 | ＞3D | 0-180 | 0.25-3 | 250 |
| WGYC-530 | 159-529 | 18/28/40 | 120 | ＞3D | 0-180 | 0.2-3 | 300 |
| WGYC-630 | 159-630 | 18/28/40 | 160 | ＞3D | 0-180 | 0.2-3 | 400 |
| WGYC-720 | 219-720 | 18/28/40 | 180 | ＞3D | 0-180 | 0.15-2.5 | 500 |
| WGYC-830 | 219-830 | 18/28/40 | 220 | ＞3D | 0-180 | 0.15-2.5 | 550 |
| WGYC-1020 | 426-1020 | 18/28/40 | 260 | ＞3D | 0-180 | 0.15-2.5 | 600 |
| WGYC-1220 | 529-1220 | 18/28/40 | 300 | ＞3D | 0-180 | 0.15-2.5 | 700 |
| WGYC-1420 | 630-1420 | 18/28/40 | 350 | ＞3D | 0-180 | 0.15-2.5 | 800 |
Application Fields
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Refinery Process Piping: High-temperature, high-pressure elbows and bends for crude oil processing units.
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Oil & Gas Transmission Pipelines: 3D/5D bends for long-distance API 5L grade pipes.
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Chemical Plant Process Lines: Corrosion-resistant alloy bends for corrosive fluid handling.
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Offshore & Subsea Projects: Duplex steel bends for deep-sea risers and flowlines.
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Power Generation Facilities: Boiler and steam turbine piping systems.
Frequently Asked Questions
Q1: What materials can the induction bending machine process?
A: Our machine is capable of processing a wide range of materials including Stainless Steel (SS), alloy steel, carbon steel, and Titanium pipes, ensuring versatile application across different industries.
Q2: What is the maximum pipe diameter and wall thickness the machine can handle?
A: The equipment supports pipe diameters ranging from 57mm up to 1420mm (DN1600) and can handle wall thicknesses from 5mm up to a massive 120mm.
Q3: How does induction heating benefit the bending process?
A: High-frequency induction heating provides precise, localized heat (800–1100°C), which minimizes the heat-affected zone (HAZ), prevents overheating, and maintains the structural integrity and mechanical properties of the metal.
Q4: What bending radii are achievable?
A: Standard bending radii range from 2D to 5D. We also offer customization for tight 1.5D bends or larger radii exceeding 6D to meet specific project requirements.
Q5: Is the bending accuracy guaranteed?
A: Yes, the full CNC control system (Siemens PLC) ensures a bend angle accuracy of ±0.1° and maintains ovality within ≤1.5%, meeting strict ASME B31.3 and API standards.
Q6: Does the machine prevent wall thinning during bending?
A: The advanced hydraulic push system and real-time monitoring ensure consistent wall thickness reduction is kept under ≤12%, which is critical for high-pressure applications.