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Solution Overview

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.

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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

Product Series

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

plasma welding tube mill machine
Technical Parameters / Specifications
Operation Mode HMI
Rated Input Voltage (V) 3-Phase, 4-Wire System (380V ±15%)
Input Frequency (Hz) 380V/50Hz
Rated Input Power Capacity (kVA) 74.3
Rated Input Current (A) 113
Rated Duty Cycle (%) 80
Power Factor (cosφ) 0.93
Welding Current Range (A) 10-500
Welding Plate Thickness (mm) 0.18-10
Insulation Class F
Dimensions (L × W × H, mm) 1225*800*1220+850*600*900
Net Weight (kg) 520

TPT-630

plasma welding tube mill machine
Technical Parameters / Specifications
Operation Mode HMI
Rated Input Voltage (V) 3-Phase, 4-Wire System (380V ±15%)
Input Frequency (Hz) 380V/60Hz
Rated Input Power Capacity (kVA) 91.5
Rated Input Current (A) 139
Rated Duty Cycle (%) 80
Power Factor (cosφ) 0.93
Welding Current Range (A) 10-630
Welding Plate Thickness (mm) 0.18-12
Insulation Class F
Dimensions (L × W × H, mm) 1225*800*1220+850*600*900
Net Weight (kg) 550

UPT-500

plasma welding tube mill machine
Technical Parameters / Specifications
Operation Mode HMI
Rated Input Voltage (V) 3-Phase, 4-Wire System (380V ±15%)
Input Frequency (Hz) 380V/50Hz
Rated Input Power Capacity (kVA) 44
Rated Input Current (A) 66.8
Rated Duty Cycle (%) 80
Power Factor (cosφ) 0.93
Welding Current Range (A) 10-500
Welding Plate Thickness (mm) 0.18-10
Insulation Class F
Dimensions (L × W × H, mm) 1225*800*1220
Net Weight (kg) 375

UPT-630

plasma welding tube mill machine
Technical Parameters / Specifications
Operation Mode HMI
Rated Input Voltage (V) 3-Phase, 4-Wire System (380V ±15%)
Input Frequency (Hz) 380V/60Hz
Rated Input Power Capacity (kVA) 51.8
Rated Input Current (A) 78.7
Rated Duty Cycle (%) 80
Power Factor (cosφ) 0.93
Welding Current Range (A) 10-630
Welding Plate Thickness (mm) 0.18-12
Insulation Class F
Dimensions (L × W × H, mm) 1225*800*1220
Net Weight (kg) 385

PT-500I

plasma welding tube mill machine
Technical Parameters / Specifications
Operation Mode HMI
Rated Input Voltage (V) 3-Phase, 4-Wire System (380V ±15%)
Input Frequency (Hz) 380V/50Hz
Rated Input Power Capacity (kVA) 33
Rated Input Current (A) 50
Rated Duty Cycle (%) 80
Power Factor (cosφ) 0.93
Welding Current Range (A) 10-500
Welding Plate Thickness (mm) 0.18-8
Insulation Class F
Dimensions (L × W × H, mm) 1145*700*1150
Net Weight (kg) 260

UPS-500

plasma welding tube mill machine
Technical Parameters / Specifications
Operation Mode HMI
Rated Input Voltage (V) 3-Phase, 4-Wire System (380V ±15%)
Input Frequency (Hz) 380V/50Hz
Rated Input Power Capacity (kVA) 19.7
Rated Input Current (A) 30
Rated Duty Cycle (%) 80
Power Factor (cosφ) 0.93
Welding Current Range (A) 10-500
Welding Plate Thickness (mm) 0.18-8
Insulation Class F
Dimensions (L × W × H, mm) 850*600*900
Net Weight (kg) 186
System Overview

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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Success Stories

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.

plasma welding tube mill machine assembly line

Case 1

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Case #1
operator adjusting plasma welding tube mill machine

Case 2

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Case #2
plasma welding tube mill machine close-up

Case 3

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Case #3
plasma welding tube mill machine in operation

Case 4

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Case #4
plasma welding tube mill machine online display

Case 5

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Case #5
plasma welding tube mill machine online display

Case 6

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Case #6
plasma welding tube mill machine in operation

Case 7

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Case #7
Support & Guidance

Frequently Asked Questions

Discover insights into our advanced plasma welding solutions, process performance, and in-house manufacturing expertise.

Plasma welding is ideal for thick-walled and large-diameter pipes that require full penetration and high joint strength. It is widely used in stainless steel pressure vessels, duplex steel pipelines, and other heavy-duty industrial applications where deep fusion and minimal deformation are essential.
Plasma welding uses a concentrated, high-energy plasma arc, delivering deeper penetration, greater arc stability, and higher welding speeds. TIG welding, on the other hand, is better suited for thin-walled or high-purity materials, such as sanitary or precision tubing.
The system integrates air and water cooling with a built-in refrigeration mechanism, ensuring consistent temperature control during long-duration and high-current welding operations, while extending component lifespan.
Advanced arc oscillation technology reduces issues like undercutting, porosity, and inclusions. An automatic arc voltage tracking system maintains stable arc length and uniform weld height, ensuring excellent bead formation and consistent weld quality.
Plasma welding systems are equipped with multi-layer protection, including over-temperature, over-current, low water flow, gas loss, and cooling failure alarms. The machine will automatically alert and shut down to prevent damage and ensure operator safety.
A single unit supports multiple welding configurations such as Plasma, TIG, and combined Plasma + TIG (P+T) modes. These modes allow flexible adjustment to match different material types, wall thicknesses, and joint requirements.
Key consumables like nozzles, tungsten electrodes, and swirl rings should be regularly inspected and replaced based on operating hours or welding distance. Establishing a maintenance log helps ensure long-term performance and weld consistency.
Plasma welding achieves up to 20% higher welding speed than traditional TIG methods under the same material thickness, while producing smoother, denser, and more uniform weld seams with minimal post-processing required.
Guide

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

1

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.

2

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.

3

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.

4

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.

5

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.

6

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.

7

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.

8

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.

9

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.

10

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.

11

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.

12

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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