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The GYS CAPATEK 66 FV Stud Welder (85–265V) is an industrial capacitor discharge system designed for fast, precise stud welding on thin sheet metal without marking or distortion.
It welds studs from M3 to M8 in copper-plated steel, stainless steel, aluminium and brass, making it ideal for applications where finish matters just as much as strength.
Paired with a retraction gun featuring adjustable force and stroke, it delivers ultra-fast weld cycles with consistent, repeatable results.
Its Flexible Voltage (FV) technology allows operation across 85–265V single-phase supplies, giving you flexibility in both workshop and on-site environments.
66 mF capacitor discharge Recharge time: 0 to 5 seconds Stud range: M3 to M8 Stud lengths: 6 to 40 mm Built for consistent, high-speed welding in repetitive applications.
Precision Control at the Gun
Adjustable force for different materials Adjustable retraction for weld accuracy Stable tripod design with bayonet lock Trigger-controlled operation LED lighting for improved visibility
Simple, Practical Controls
Voltage adjustable from 50 V to 200 V Settings lock to prevent changes Stud counter with adjustable threshold - Incremental or decremental modes
Built for Industrial Use
Reinforced, anti-shock casing Overvoltage protection up to 400 V Supplied with dual earth clamps to reduce magnetic interference Ventilation on demand Rear ON/OFF switch Integrated cable holder
What Does It Weld?
Studs from M3 to M8 Onto copper-plated steel Onto stainless steel Onto aluminium Onto brass Designed specifically for fixing studs to thin sheet metal without marking or distorting the reverse side.
Key Features
Capacitor discharge system (66 mF) Stud welding range: M3 to M8 Compatible stud lengths: 6 to 40 mm Adjustable voltage: 50 V to 200 V Recharge time: 0 to 5 seconds Flexible voltage input: 85–265V (single phase) Adjustable gun force and retraction Integrated LED work light with status indicators Stud counter with adjustable threshold Settings lock function Overvoltage protection up to 400 V Ventilation on demand Dual earth clamps to reduce magnetic interference
Why Buy
A high-speed, reliable stud welding system designed for clean results on thin materials, with the flexibility to work anywhere thanks to its wide voltage range.
GYS welders come with a 2-year warranty covering manufacturing defects. Register your product to activate the warranty.
Are GYS welders suitable for professional use?
Yes, GYS welders are designed for professional and industrial applications, offering durability and advanced features for demanding tasks.
What power supply do GYS welders require?
GYS welders operate on 230V single-phase or 400V three-phase power, depending on the model. Check product specifications for details.
What materials can I weld with a GYS welder?
GYS welders are suitable for welding steel, stainless steel, and aluminium. Material compatibility depends on the model and welding process.
What is the duty cycle on a GYS welder?
Duty cycles vary by model. For example, the GYS AUTOPULSE 320-T3 has a duty cycle of 320A at 60%. Refer to the specifications for details.
How energy efficient are GYS welders?
GYS welders utilise inverter technology for energy efficiency, reducing power consumption while maintaining performance.
Does Premier Welding offer financing options for GYS welders?
Yes, Premier Welding offers 0% APR financing through PayPal for orders over £99, providing flexible payment options.
How do I choose the right GYS welder for my needs?
Select a GYS welder based on material type, welding process, and thickness. Consult our team for expert guidance.
What length of welding cable comes with GYS welders?
Standard machines include 3 m torch leads and 2 m electrode cables; extensions are available.
Do GYS welders support pulse welding?
Pulse MIG functions are available on selected models for enhanced weld bead control.
What cooling methods are used in GYS inverters?
Air cooled designs with variable speed fans reduce noise and run on demand.
Are GYS welders compatible with external wire feeders?
Dedicated feeder ports on MIG models allow use of high capacity external wire feeders.
Can GYS machines operate on both MMA and TIG?
Multi process models switch between MMA (stick) and TIG modes via a single control knob.
What digital interface features do GYS welders have?
Integrated LCD panels display voltage current and error codes for diagnostics.
What is a multiprocess welder?
A multiprocess welder is a versatile welding machine that can perform various welding techniques, such as MIG, TIG, and stick welding, all in one unit. This flexibility makes it ideal for different projects, allowing users to switch processes easily as needed.
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