Precision Plasma Welding Machines & Systems
Advanced Manufacturing Solutions
Leading manufacturer of high-precision plasma welding machines for industrial applications. Our state-of-the-art technology delivers superior weld quality, consistent performance, and high efficiency across a wide range of metals and alloys.
Industrial Plasma Welding Machine
Industrial Plasma Welding Machine featuring precise arc control, adjustable welding parameters, and superior weld quality for stainless steel, carbon steel, and other alloys. Reliable, energy-efficient, and ideal for industrial pipe and tube fabrication, automated production lines, and metal fabrication applications.
Key Features & Benefits
Integrated One-Stop Design
Multiple Welding Methods
Programmable Control System
Digital Water Flow Monitoring
Wide Material Compatibility
Dual Cooling Mode & Energy Efficiency
Plasma Welding Series
Explore our range of advanced plasma welding machines, designed for precise, stable, and highly efficient performance across a wide range of industrial applications.
TPT-500
Entry Level • Precision Welding

Technical Parameters / Specifications
TPT-630

Technical Parameters / Specifications
UPT-500

Technical Parameters / Specifications
UPT-630

Technical Parameters / Specifications
PT-500I

Technical Parameters / Specifications
UPS-500

Technical Parameters / Specifications
Plasma Welding System for Welded Pipe Production
Advanced plasma welding technology engineered for high-precision pipe manufacturing, delivering exceptional arc stability, uniform weld penetration, and seamless integration with automated production lines.
Product Characteristics
Integrated and Compact Design
The plasma power supply and cooling system are built into a single, compact structure. This integration reduces installation complexity, saves space, and eliminates the need for multiple water, gas, and electrical connections—simplifying operation and maintenance.
Multi-Process Welding Capability
Supports various plasma welding methods and process combinations to meet different material thicknesses and inner/outer double-side welding requirements. Delivers smooth, strong, and low-distortion welds suitable for industrial pipe and pressure vessel fabrication.
Programmable Intelligent Control
Equipped with a PLC-based programmable control system that ensures stable welding performance, easy operation, and fast switching between process parameters. Complete data recording guarantees consistent, repeatable, and traceable welding results.
Digital Water Flow Monitoring
An advanced digital monitoring system continuously measures cooling water and torch flow to prevent overheating, torch damage, or weld defects caused by insufficient flow—enhancing reliability and safety during production.
Dual Cooling System for Continuous Operation
Supports both air and water cooling modes to maintain stable operating temperatures and reduce energy consumption. This dual system extends equipment lifespan and ensures reliable performance during long-duration, high-load welding operations.
Wide Metal Compatibility
Engineered for welding a wide range of metals, including austenitic, duplex, and ferritic stainless steels, low-carbon steel, nickel-based alloys, titanium and titanium alloys, and copper. Ideal for industrial pipe, tube, and precision component manufacturing.
Modular and Customizable Configuration
The system can be tailored to customer-specific production needs with flexible plasma process configurations. Customizable welding solutions enhance process adaptability and improve overall production efficiency.
TLW Welding Visualization System
As an innovative breakthrough in laser pipe welding technology, our TLW Welding Visualization System represents a revolutionary solution specifically engineered for laser pipe welding applications.
Advanced Imaging Technology
Our system overcomes traditional monitoring limitations including blurred weld seam imaging and unclear molten pool dynamics capture, providing crystal-clear visualization of welding processes.
Intelligent Analysis Algorithms
Built-in intelligent analysis algorithms enable real-time monitoring of weld seams and welding pool status, accurately detecting weld offset and seam formation for superior quality control.
Quality Enhancement
Significantly improves welding quality while reducing defect rates, ensuring consistent production standards and minimizing material waste.
Operator Safety & Comfort
Reduces operator fatigue and protects human eyes from harmful welding radiation, creating a safer and more comfortable working environment.
Ready to Find Your Perfect Welding Solution?
Our engineering team will provide detailed specifications, performance comparisons, and customization options tailored to your specific production requirements.
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Plasma Welding Case Studies & Manufacturing Capabilities
Explore the advanced engineering and in-house manufacturing capabilities behind our high-performance Plasma Welding systems, designed to deliver precision, reliability, and consistent results across every production line.

Case 1
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Case 2
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Case 3
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Case 4
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Case 5
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Case 6
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Case 7
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Frequently Asked Questions
Discover insights into our advanced plasma welding solutions, process performance, and in-house manufacturing expertise.
Guide to Selecting the Right Plasma Welding Machine
Key Considerations for Selecting the Right Plasma Welding Equipment
Top 12 Tips for Choosing the Right Plasma Welding Machine
Welding Current and Process Coverage
Modern plasma welding systems typically operate within a 5–500 A range, supporting both Plasma (PAW) and TIG modes. They can handle material thicknesses from 0.18 mm up to 10 mm. Stainless steel up to 10 mm can be welded with full penetration without beveling, achieving double-sided formation in a single pass. A single power source can accommodate multiple materials and thicknesses, reducing the need for additional machines and increasing production flexibility.
Power and Energy Consumption
Rated power is generally around 33 kW, with typical operational consumption averaging 16–17 kW. Having clear figures for both rated and actual consumption allows manufacturers to plan electrical distribution, accurately calculate energy costs, and avoid unexpected upgrades or hidden expenses after commissioning.
Gas Mixtures and Standard Ratios
Gas composition directly impacts weld penetration, surface quality, and stability. Standard configurations include ion gas (Ar + H₂, typically 95/5), shielding gas (Ar or Ar + H₂, about 97/3), and backing gas (99.99% Ar). Maintaining correct gas ratios ensures consistent arc performance, high-quality welds, and long-term efficiency.
Efficiency Compared to TIG Welding
When applied to suitable materials and thicknesses, plasma welding can reach speeds over twice that of TIG welding. This significantly improves throughput and shortens production cycles for thick-wall pipes. However, efficiency gains depend on joint preparation, alignment accuracy, and production setup, ensuring investment is balanced with actual process performance.
System Stability and Safety Features
Advanced plasma systems include multiple protection mechanisms, such as over-temperature, over-current, water shortage, gas shortage, phase loss, and cooling failure interlocks. These features ensure safe, continuous operation under high-load conditions, minimizing downtime and maintaining production reliability.
Peripheral Equipment and Full Setup
A complete system should include a plasma torch with multiple nozzle options, O-rings, swirl components, and grounding accessories. Having a full set of peripherals ready upon installation enables immediate operation, shortens the production ramp-up period, and reduces downtime caused by missing parts.
Large-Diameter and Thick-Wall Applications
High-power plasma systems can accommodate pipe diameters up to 630 mm and thicknesses from 0.18 to 10 mm. For thicker materials, multi-pass welding with beveled edges is recommended. This capability supports petrochemical, nuclear, and heavy industrial applications that require large-diameter, high-integrity welds.
Training and After-Sales Support
Comprehensive training, covering both theory and hands-on operation, ensures operators quickly achieve process stability, shorten learning curves, and improve early-stage production consistency. This accelerates the return on investment and reduces initial operational risks.
Weld Quality and Inspection Standards
Plasma welds offer deep penetration, high density, and low porosity, ideal for high-pressure and structural pipes. Welds can meet ASTM A312, EN 10217-7, and other industry standards, and pass radiographic or ultrasonic inspection. This ensures compliance with international export requirements and high-specification industrial safety standards.
Cooling System and Continuous Operation
Plasma arcs concentrate significant heat, requiring high-efficiency cooling systems. A cooling unit with at least 30 L/min flow and ±1°C temperature control maintains torch stability and consistent arc performance during long-duration operation. Effective cooling extends component life and ensures uninterrupted production.
Facility and Power Requirements
Plasma welding power systems typically require 30–40 kW and a power supply capacity of 50–60 kVA, with reliable high-purity argon or mixed gas supply. Planning facility layout and energy infrastructure before commissioning avoids operational interruptions due to insufficient power or gas supply.
Maintenance and Long-Term Cost Planning
Key consumables such as nozzles and insulation sleeves must be replaced periodically, typically accounting for 3–5% of total operating costs. A proactive maintenance and spare parts schedule helps prevent unexpected downtime and provides clear insight into total cost of ownership (TCO) across the equipment lifecycle.
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