TECNA TE7915 HVAC Pedestal Spot Welder – 6 kVA
HVAC / sheet-metal application?
We’ll help match power, reach, cooling and production rate to the right TECNA model.
TECNA TE7915 HVAC Pedestal Spot Welder – 6 kVA
Description
Description
HVAC Quick Fit — TECNA TE7915
The TE7915 package turns the 6 kVA pneumatic TECNA gun into a dedicated HVAC sheet-metal workstation. It is the best fit in this lineup for a shop that wants a fixed spot-welding station for recurring duct and fitting work without stepping all the way to a 25 or 50 kVA rocker-arm machine.
Good fit for
Production of collars, fittings, plenums, equipment cabinets, brackets and repetitive light sheet-metal assemblies.
Why choose it
Pneumatic clamping, water cooling and a fixed station that improves repeatability and operator workflow.
Move up when
You need deeper throat access, higher electrode force, larger assemblies or heavier production duty.
HVAC application note
A pedestal station is often the easiest choice when most parts can be brought to one welding position. If the workpiece is large or awkward to move, compare the suspended TE7913 or deeper-reach rocker-arm machines.
TECNA portable spot-welder line ↗
| TECNA TE7915 Pedestal Weld Gun Specifications | |
|---|---|
| Gun Type | Scissor |
| Operation | Pneumatic |
| Power @ 50% Duty Cycle | 6 kVA |
| Secondary Voltage | 2.5 V |
| Supply Voltage | 220V / 60 Hz (In Stock) 440V / 50 Hz (Available Upon Request) |
| Delayed Fuse (220V) | 20 A |
| Delayed Fuse (440V) | 12 A |
| Primary Cable (up to 10 m) | 0.098 in. (2.5 mm²) |
| Short Circuit Current | 8,200 A |
| Maximum Welding Current | 6,550 A |
| Duty Cycle @ Max Current | 6.7% |
| Arm Length Range | 4.9 - 19.7 in. (125 - 500 mm) |
| Arm Gap | 3.7 in. (94 mm) |
| Arm Diameter | 0.87 in. (22 mm) |
| Electrode Holder Diameter | 0.55 in. (14 mm) |
| Electrode Diameter | — |
| Electrode Taper | 1MT / 4RW |
| Working Stroke | 1.4 - 3.5 in. (35 - 90 mm) |
| Maximum Electrode Force (125 mm Arms) | 264 lb (120 daN) |
| Maximum Electrode Force (500 mm Arms) | 84 lb (38 daN) |
| Pneumatic Hose I.D. | 0.24 in. (6 mm) |
| Compressed Air Requirement | 87 psi (6 bar) |
| Air Consumption | 35 SCF per 1,000 welds @ 72.5 psi (5 bar) |
| Water Hose I.D. | 0.24 in. (6 mm) |
| Cooling Water Requirement | 0.66 GPM (2.5 L/min) @ 36 psi (2.5 bar) |
| Mild Steel Capacity (Sheet) | 0.08 x 0.08 in. (2 + 2 mm) |
| Mild Steel Capacity (Rod) | 0.24 x 0.24 in. (6 + 6 mm) |
| Included Water Cooling System | |
| Cooling System Model | Dynaflux VH1000 V/G |
| Reservoir Capacity | 2 Gallons |
HVAC / duct fabrication focus
Where this TECNA model fits in an HVAC shop
Dedicated HVAC welding station
Shops that bring repeat parts to a fixed station. Resistance spot welding is strongest where overlapping sheet can be clamped from both sides and the joint only needs discrete welds rather than a continuous airtight seam.
TECNA HVAC model ladder
Choose by shop size and production style
TE7902
Small shops, intermittent fittings and simple portable use. No air or water required.
View model → Portable • 6 kVATE7903
Higher-rate hand welding with water cooling; no compressed air required.
View model → Suspended • 6 kVATE7913
Pneumatic, water-cooled and balanced for repetitive multi-angle production.
View model → Pedestal • 6 kVATE7915
Dedicated fixed station for recurring fittings and light production work.
View model → Stationary • 25 kVATE4649N
Established duct shops needing deeper reach, more force and production duty.
View model → Production • 50 kVATE4663NX
Highest-capacity option here for large parts, deep access and demanding output.
View model →HVAC Spot Welder Fit Check
Send the duct-shop application. We’ll narrow the machine.
You do not need to know the TECNA model. Gauge, material, part type, access, weld rate and available shop services are more useful than guessing at kVA.
24–26 ga galvanized • spin-in collars + square-to-round fittings • 50–100 welds/day • portable preferred • 230 V available • no water loop.
