Two purpose-built models for HVAC ductwork and marine insulation: application-specific weld profiles, corrosion-resistant coatings, and heavy-duty construction for harsh environments. Machines may be supplied with a custom logo for branding.
Welding Range: 0.3-2mm Thin Sheet
Stud Specifications: All Insulation Nails
Drive Type: Capacitor Energy Storage
| Item | Lithium Battery — Touchscreen Model | Mini Portable Model |
|---|---|---|
| Rated input voltage | DC 75 V | 220 V / 50 Hz ±15% |
| Welding speed | Up to 40 pins / min | |
| Weldable thickness | 0.3–6.0 mm (limits vary by material) | |
| Welding gun cable length | Standard 4 m | |
| Stud length range | Standard up to 35 mm (extendable to any length) | |
| Weldable base materials | Carbon steel, stainless steel, copper, aluminium, aluminium alloys, zinc-coated materials | |
| Weight (kg) | 10 kg | 11.8 kg |
| Enclosure | Steel housing with powder-coat finish | |
| Item | Standard Model |
|---|---|
| Rated input voltage | 220 V / 50 Hz ±15% |
| Welding speed | Up to 40 pins / min |
| Welding gun cable length | Standard 4 m |
| Stud specifications | Various marine insulation nails |
| Plate thickness | 0.3~10mm |
| Weldable base materials | Carbon steel, stainless steel, copper, aluminium, aluminium alloys, zinc-coated materials |
| Weight (kg) | 23 kg |
Standard configuration: 4-meter handheld electrode clamp
Optional accessory: 4-meter welding gun
“Working in ductwork chases is tough—you can barely turn around, let alone swing a huge, heavy welder. The best thing about this unit? It’s so light and portable. I just sling it over my shoulder and go. One hand, one click, and the pin is done. And when we use the dual-gun setup? I can work on one side while my apprentice works on the other. We basically cut the job time in half without killing our backs.”
— Mark Richardson, HVAC Installer, 15 years of experience
“Our biggest fear with pin welding was always falling behind schedule. Our old welders would get too hot to hold after just 200-300 pins. We’d have to stop and let them cool down—the crew was standing around idle, but the project clock was still burning money. This machine changes everything. It can weld every single pin on a full cabin’s worth of panels without overheating or shutting down. For us, it allows us to deliver products on time while keeping costs under control.”
— Mr. Li, Production Manager, Shipbuilding Engineering Co., Ltd.
Capacitor energy storage stud welder: Thin plate welding through instantaneous discharge (1-3 milliseconds), suitable for 0.5-10mm thin plates, high welding quality, small heat impact, suitable for low carbon steel, stainless steel, aluminum alloy and other metals.
Drawn arc stud welder: Through continuous arc welding of thicker metals, suitable for medium and thick plates and large-scale structural welding, but the heat input is high and the welding process is long, which may affect the welding quality.
For shop-floor, high-volume or inline production, choose the touchscreen model; for frequent overhead or confined-space work, choose the portable mini model.
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