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NB Series of Portable CO2 Welding Machine

Excellent portable CO2 welding machine

Small, light and easy to take and move

Especially good for spot welding or CO2 continous welding of thin sheet

Good for houseuse like window welding, handrail welding, billboard welding, bike welding

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PRODUCTS DETAILS

product detail

 

Portable CO2 Welding Machine – Compact Powerhouse for Precision & Versatility

Meet the ultimate Portable CO2 Welding Machine, designed for professionals who demand mobility without compromising performance. Engineered with advanced features, this Portable CO2 Welding Machine excels in automotive repair, small-scale fabrication, maintenance, and DIY projects.

1.Key Features:

  1. All-in-One Protection: The Portable CO2 Welding Machine automatically guards against phase loss, overcurrent, overheating, and over/under-voltage, ensuring durability in demanding environments.

  2. Smart Digital Interface: Adjust voltage and current with precision using the intuitive digital display. Wide voltage range (±20% tolerance) adapts to unstable power grids, making this Portable CO2 Welding Machine ideal for on-site jobs.

  3. Auto Molten-Ball Removal: Eliminate downtime with the exclusive function that removes slag and molten balls from CO2 welding wires, ensuring flawless arc starts and clean welds.

  4. Dual Closed-Loop Arc Control: Advanced waveform technology stabilizes the arc, while adaptive force adjustment guarantees smooth, spatter-free welds—perfect for thin metals or intricate joints.

  5. High Efficiency, Low Spatter: Achieve 95%+ metal transfer efficiency with minimal spatter, reducing material waste and post-weld cleanup. The Portable CO2 Welding Machine maximizes productivity and cost savings.

  6. Lightweight & Multi-Process:  This Portable CO2 Welding Machine supports both CO2 and MMA welding, making it a go-to tool for workshops, garages, and field repairs.

  7. Easy Arc Ignition: Effortlessly start arcs in CO2 mode, even on rusty or painted surfaces, thanks to optimized voltage output.

Why This Portable CO2 Welding Machine Stands Out:

  • Ultimate Precision: Low heat input minimizes distortion, delivering fine, strong seams for automotive panels, furniture, and delicate metalwork.

  • Unmatched Versatility: From 0.6mm thin sheets to 8mm thick plates, this Portable CO2 Welding Machine handles carbon steel, stainless steel, and alloys with ease.

  • Workshop-to-Jobsite Ready: Compact design, ergonomic handles, and rugged construction make this Portable CO2 Welding Machine a reliable partner for mobile technicians and fabricators.

Ideal For:

  • Automotive manufacturing & repair

  • Metal furniture & decorative welding

  • HVAC systems, pipelines, and farm equipment maintenance

  • Small-batch production in tight spaces

Upgrade to the Portable CO2 Welding Machine—where power meets portability, and precision meets affordability. Perfect for pros and passionate DIYers!

II. Main parameters

Name

NB-200J

NB-250J

NB-300J

Power source/frequency

3-phase 380V  50/60Hz

Rated input power

9.2KVA

11KVA

15KVA

Rated input current

14A

17A

23A

CO2 welding current/voltage

200A/24V

250A/27V

300A/29V

CO2 welding current

200A 60%DE

250A 60%DE

300A 60%DE

155A 100%DE

190A 100%DE

230A 100%DE

No-load voltage (MAX)

30-40V

Adjustment range of voltage

14-27V

14-30V

14-32V

Efficiency

83%

Diameter of wire

Φ0.8, Φ1.0mm

Weight

25Kg

28Kg

30Kg

Size

440×270×396mm

Weight of wire feeder

16 Kg

Air switch

32A

32A

40A

Input cable (mm2)

3×2.5+1×1.5

3×4+1×2.5

3×4+1×2.5

Dimensions (mm)

470×200×380

510×200×440

Raising means

handle

Insulation class

F

Protection class

IP21

External feature

Flat

 

III. Standard configuration

Power source               1pc

Wire feeder                 1pc

CO2 welding flow meter        1pc

 Welding welding torch        1pc

Control cable               5m

Welding cable               5m

Gas hose                   5m

Earth cable                  2m

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