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TECNA 7913 – 6 kVA PNEUMATIC WATER-COOLED SPOT GUN (400V)
A fully water-cooled pneumatic spot welding gun designed for high-duty, continuous operation in car body repair and light industrial production. Built with a balanced construction, differential pressure switch and a powerful 6 kVA output, it delivers consistent performance in demanding environments.
Package Includes
Tecna 7913 Water-Cooled Spot Welding Gun 3.8m Mains Cable (400V) Compatible with Tecna arm sets (arms not included)
This is ideal for:
High-duty automotive body repair Continuous production welding Workshops needing a cooler-running industrial spot welder Repetitive, fast-cycle spot welding work Use with multiple arm lengths and configurations
What Does It Weld?
Oxidised sheets Sheets with paint residues Black sheets (mild steel) Very thin sheet material Rods with reduced diameter Stainless steel sheet and similar
Features
Fully water-cooled portable spot gun Designed for high operating rate work in car body repair and light production Synchronous built-in electronic timer with SCR (2–65 cycles) Compensation circuit ensures welding only starts when current passage is correct Current control with phase-shift adjustment for thin sheet, rods with reduced diameter and stainless steel Balanced construction for easy operation Thread base for bench fixing Differential pressure switch activates timer when electrode force is correct Additional arm couplings for larger arm opening F-class insulated transformer (tested at 4000V) Compatible with Tecna arm sets: 7512, 7513, 7514, 7515
Technical Data
Supply Voltage: 400V Nominal Power @ 50%: 6 kVA Maximum Welding Power: 18 kVA Short-Circuit Current: 8.2 kA No-Load Secondary Voltage: 2.7 V Cooling: Water – 2.5 L/min, 2.5 bar max Electrode Stroke: 40 mm Arms Gap: 94 mm Maximum Electrode Force: 120 daN (short arms) Welding Time: 6 cycles Welding Current: 6.1 kA Working Rate: 15 welds/min Mains Cable Length: 3.8 m Net Weight:
With 150 mm arms: 16 kg With 500 mm arms: 19 kg Maximum Material Thickness (Mild Steel):
With 125 mm arms: 2 + 2 mm With 250 mm arms: 1.8 + 1.8 mm With 500 mm arms: 1.2 + 1.2 mm
Why Buy the Tecna 7913?
The Tecna 7913 offers high-duty performance, excellent cooling capacity and precise current control for demanding spot welding applications. Its differential pressure switch, balanced construction and water-cooled transformer make it ideal for fast-cycle, accurate production-level welding with outstanding reliability.
A robust, industrial-grade solution for workshops that require power, consistency and continuous-operation capability.
A spot welder works by applying heat and pressure to two metal surfaces at their contact point. Electric current flows through the electrodes, generating heat that melts the metal, creating a weld. Once cooled, the metals bond together securely.
How much is a spot welder?
The price of a spot welder can vary significantly based on the brand and specifications. Generally, you can expect to pay between £200 and £2,000 for a quality spot welder in the UK. For professional-grade models, prices may exceed this range.
How to check spot welding strength?
To check spot welding strength, perform a peel test by applying force to separate the welded parts. Alternatively, use a tensile test to measure the maximum load before failure. Inspect the weld for uniformity and ensure proper electrode pressure and current settings were used.
How to use spot welding machine?
To use a spot welding machine, first ensure the machine is properly set up and connected to power. Position the metal pieces to be welded together, then align the electrodes. Activate the machine, applying pressure and current for a few seconds until the weld forms. Release and inspect the joint.
What is a spot welder?
A spot welder is a type of resistance welding machine used to join two or more metal surfaces by applying heat and pressure at specific points. It creates strong, localized welds, making it ideal for manufacturing processes in automotive and metal fabrication industries.
What is a spot welding?
Spot welding is a process used to join two or more metal sheets together by applying heat and pressure at specific points. This is achieved using electrodes that deliver an electric current, creating a weld nugget at the contact points, ensuring a strong bond.
Wholesale spot welding machine factory?
If you're seeking a wholesale spot welding machine factory in the UK, consider reaching out to established manufacturers like Premier Welding. We offer a range of high-quality spot welding machines tailored to your needs, ensuring reliability and performance.
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