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Cea Convex 321/401/325/425 Pulse Multiprocess Welder – 400v – 320/400A
- Achieve professional-quality welds on various materials
- Simplify operation with user-friendly controls
- Minimise rework thanks to reduced splatter and distortion (Convex Pulse model)
- Tackle diverse welding projects with a single machine
- Enjoy easy manoeuvrability for on-site jobs
- Invest in a reliable and long-lasting welding solution
£3,224.44 – £4,157.32 ex VAT


Buy Now, Pay Later In 3 Interest-Free Payments
Take your welding projects to the next level with the Cea Convex & Convex Pulse Multi Process Welder. This versatile machine is perfect for both experienced welders and enthusiastic DIYers, offering superior performance in MIG/MAG, MMA (stick), and TIG (lift arc) welding processes.
The Cea Convex boasts a user-friendly synergic control panel, simplifying operation. Simply select your material type, wire diameter, and desired gas, and the welder automatically sets the optimal parameters for a flawless weld. But for experienced welders, the ability to fine-tune settings provides ultimate control.
The Convex Pulse takes welding a step further. Its innovative pulse technology minimises splatter and distortion, creating a smooth, professional finish on even the trickiest materials like thin sheet metal, stainless steel, and aluminium. This is ideal for applications requiring superior aesthetics, such as car body repairs or intricate metalwork.
The Cea Convex is also a champion of portability. Its compact and lightweight design makes it easy to manoeuvre around workshops or take on-site for maintenance jobs.
Don’t settle for just any welder. Choose the Cea Convex & Convex Pulse and experience the difference.
Cea Convex Features
- True Multiprocess Capability: Effortlessly switch between MIG welding, MAG welding, TIG welding, and MMA welding to handle diverse materials and project requirements.
- Advanced Inverter Technology: Benefit from superior arc stability, excellent welding characteristics, and reduced spatter for cleaner, more efficient welds.
- Pulse Welding Functionality (Specific Models): Achieve exceptional control and weld quality on critical applications with advanced MIG pulse welding and TIG pulse welding modes.
- Intuitive Digital Interface: Easily navigate and precisely adjust welding parameters for optimal performance across different materials and thicknesses.
- Synergic Welding Programs: Simplify setup and ensure optimal welding parameters for various material and gas combinations, enhancing productivity for steel welding, stainless steel welding, and aluminium welding.
- High Duty Cycle: Tackle demanding welding tasks with confidence thanks to the machine’s robust design and high duty cycle, minimising downtime and maximising output.
- Generator Compatibility: Enjoy the flexibility of using the Cea Convex on-site with generator power, expanding its usability for field applications.
- Robust and Durable Construction: Built to withstand the rigors of industrial environments, ensuring long-lasting reliability and performance.
- Comprehensive Safety Features: Integrated safety mechanisms protect both the operator and the equipment, ensuring a safe working environment.
Ordering Cea Convex
Part No. | Size |
---|---|
004640 | 321 |
004645 | 401 |
004825 | 325 Pulse |
004830 | 405 Pulse |
Cea Convex Applications
The Cea Convex Multiprocess Welder is the ultimate welding solution for a broad range of industries and applications, including:
- Metal Fabrication: Ideal for general fabrication, structural steelwork, and producing high-quality welded components
- Automotive Repair and Manufacturing: Perfect for chassis welding, panel beating, and exhaust system fabrication using MIG welders for automotive
- Aerospace and Aviation: Capable of delivering the precise and high-integrity welds required for critical aerospace applications, particularly with TIG welders for aerospace
- Construction and Infrastructure: Robust enough for on-site welding of pipelines, bridges, and other large-scale structures using heavy-duty welders
- Maintenance and Repair: A versatile tool for repairing machinery, agricultural equipment, and industrial installations with its multipurpose welding machine capabilities
- Stainless Steel Fabrication: Achieve flawless welds on stainless steel tanks, vessels, and architectural elements with dedicated stainless steel welders functionality
- Aluminium Welding: Utilise specialised settings for high-quality aluminium MIG welding and aluminum TIG welding
- DIY and Hobbyist Projects: Empower passionate welders with a professional-grade machine for intricate and demanding projects
Cea Convex Specifications
Resources
Ready to experience the ultimate in welding versatility and performance? Invest in the Cea Convex Multiprocess Welder today and conquer any welding challenge that comes your way!
Weight | N/A |
---|---|
Dimensions | N/A |
Free Delivery |
Free Delivery |
Brand |
Cea |
Voltage |
400v 3 |
Model |
Convex 321 ,Convex 325 Pulse ,Convex 401 ,Convex 405 Pulse |
Options |
Premium ,Standard |
Warranty |
5 Years |
Amperage |
300A ,350A |
Nationwide Delivery (all items excluding gas cylinders):
- Free UK mainland (England, Scotland and Wales) delivery on orders over £85 inc. VAT
- UK mainland delivery is £7.50 inc. VAT on orders under £85 inc. VAT
- UK islands and Northern Ireland shipping costs may vary
Click and Collect:
Free click and collect with no minimum spend from our warehouse on the Empress Park, Southampton with on-site parking. Once your order has been processed, we will advise you when it is ready for pickup.
Just want advice? No problem. Feel free to call in to speak to one of our friendly experts.
EWS Fleet Coverage Areas:
Southampton | Eastleigh | Winchester | Alton | Farnham | Petersfield | Havant | Hayling Island | Waterlooville | Fareham | Portsmouth | Gosport | Chichester | Arun | Worthing | New Forest | Christchurch | Salisbury | Wiltshire | Test Valley | Basingstoke and Deane | West Berkshire | Reading | Hart | Waverley | East Hampshire | East Dorset | Hampshire | Bournemouth | Poole | Lymington | Ringwood | Verwood | East Preston | Goring-by-Sea | Lancing | Shoreham-by-Sea | Steyning | Bramber | Horsham | Adur
UK Delivery for Gas Cylinders:
Shipping costs for gas cylinders are calculated at checkout once the delivery postcode is entered.
International Delivery:
Please contact us for an accurate delivery quote.

Machine Servicing
We can repair all makes and model welding machines using genuine manufacturer parts.

Calibrations
Successfully calibrated welding equipment can maximise performance through high quality welds. A certified calibration by us will ensure that your welding machine runs to its best capabilities.