TECNA TE7913 HVAC Production Spot Weld Gun – 6 kVA
HVAC / sheet-metal application?
We’ll help match power, reach, cooling and production rate to the right TECNA model.
TECNA TE7913 HVAC Production Spot Weld Gun – 6 kVA
Description
Description
HVAC Quick Fit — TECNA TE7913
The TE7913 is the ergonomic production choice in the portable/suspended range. Its pneumatic actuation, water cooling and gyroscopic suspension make it well suited to HVAC shops that need repeated spot welds without asking the operator to manually squeeze and carry the full gun through every cycle.
Good fit for
Repeated duct fittings, plenums, cabinets, HVAC equipment panels and sheet-metal subassemblies.
Why choose it
Pneumatic force, water cooling and multi-angle suspended manoeuvrability when paired with the correct balancer.
Move up when
The work is better served by a fixed pedestal station, deeper throat access or a higher-capacity stationary welder.
HVAC application note
This is especially attractive where the same operator makes many welds per shift or works around awkward fitting geometry. Confirm access from both sides of the overlap and validate coated-sheet settings before production.
TECNA manufacturer technical reference ↗
| TECNA TE7913 Spot 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) |
| Dimensions (L × W × H) | 4.3 × 18.7 × 8.0 in. (108 × 475 × 203 mm) |
| Net Weight | 35.2 lb (16 kg) |
| Packing Dimensions | 11.0 × 24.0 × 14.2 in. (280 × 610 × 360 mm) |
| Shipping Weight | 44 lb (20 kg) |
| Mild Steel Capacity (Sheet) | 0.08 × 0.08 in. (2 + 2 mm) |
| Mild Steel Capacity (Rod) | 0.24 × 0.24 in. (6 + 6 mm) |
| Recommended Accessories | |
| Recommended Spring Tool Balancer Capacity | 33 - 44 lb (15 - 20 kg) |
| Recommended Balancer | TECNA 9362BR |
HVAC / duct fabrication focus
Where this TECNA model fits in an HVAC shop
Suspended pneumatic HVAC production
Repetitive fitting and cabinet production where operator handling matters. 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.
