Butt welding
Butt welders
Pneumatic, microprocessor-controlled, water-cooled butt welding. AC: 12, 20, 30 and 60 kVA, 400 V, 2-phase, 50/60 Hz. MFDC: 111 kVA at 20% duty cycle, 500 V, 3-phase, 50/60 Hz.
Configurations vary by model and application.
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REAL DATA FROM THE SPEC SHEET
Configure your machine.
The results are the exact model values from the original technical sheet.
Model code: APB12 ac
Technical values for the selected model
| Rated power (%50 DT) | 12 kVA |
| Secondary voltage | 3,8 V |
| Short-circuit welding current (max) | 6 kA |
| Jaw spacing | 20 mm |
| Welding jaw advancement | 30 mm |
| Air pressure | 2 / 8 bar |
| Electrode pressure force | 120 daN |
| Welding cylinder thrust force | 190 daN |
| Cooling water inlet temp. (min-max) | 16 / 21 °C |
| Cooling water inlet flow rate (min) | 6 lt/min |
| Transformer cooling type | Air |
| Weight | 200±20 kg |
| Dimensions (W×L×H) | 400×800×1200 mm |
| Power supply voltage | 400 V · 50/60 Hz · 2-phase |
| Delayed circuit breakers | 25 A |
| Mains cable (≤10 m) | 2×6+4 mm² |
Values transcribed from the supplied AC and MFDC technical tables.
AC · Butt welders
| AC | APB12 ac | APB20 ac | APB30 ac | APB60 ac |
|---|---|---|---|---|
| Rated power (%50 DT) | 12 kVA | 20 kVA | 30 kVA | 60 kVA |
| Secondary voltage | 3,8 V | 5 V | 5,9 V | 7,1 V |
| Short-circuit welding current (max) | 6 kA | 7,5 kA | 9 kA | 11 kA |
| Jaw spacing | 20 mm | 20 mm | 20 mm | 20 mm |
| Welding jaw advancement | 30 mm | 30 mm | 30 mm | 30 mm |
| Air pressure | 2 / 8 bar | 2 / 8 bar | 2 / 8 bar | 2 / 8 bar |
| Electrode pressure force | 120 daN | 120 daN | 240 daN | 240 daN |
| Welding cylinder thrust force | 190 daN | 190 daN | 300 daN | 300 daN |
| Cooling water inlet temp. (min-max) | 16 / 21 °C | 16 / 21 °C | 16 / 21 °C | 16 / 21 °C |
| Cooling water inlet flow rate (min) | 6 lt/min | 8 lt/min | 10 lt/min | 12 lt/min |
| Transformer cooling type | Air | Air | Air | Air |
| Weight | 200±20 kg | 220±20 kg | 240±20 kg | 270±20 kg |
| Dimensions (W×L×H) | 400×800×1200 mm | 400×800×1200 mm | 400×800×1200 mm | 400×800×1200 mm |
| Power supply voltage | 400 V · 50/60 Hz · 2-phase | 400 V · 50/60 Hz · 2-phase | 400 V · 50/60 Hz · 2-phase | 400 V · 50/60 Hz · 2-phase |
| Delayed circuit breakers | 25 A | 50 A | 63 A | 125 A |
| Mains cable (≤10 m) | 2×6+4 mm² | 2×10+6 mm² | 2×16+10 mm² | 2×35+16 mm² |
MFDC · Butt welders
| MFDC | APB111 mf |
|---|---|
| Rated power (%20 DT) | 111 kVA |
| S1P | 54 kVA |
| Rated power (%50 DT) | 70 kVA |
| V2 | 8,3 V |
| I2P | 6 kA |
| Jaw spacing | 20 mm |
| Welding jaw advancement | 30 mm |
| Air pressure | 2 / 8 bar |
| Electrode pressure force | 240 daN |
| Welding cylinder thrust force | 300 daN |
| Cooling water inlet temp. (min-max) | 16 / 21 °C |
| Cooling water inlet flow rate (min) | 14 lt/min |
| Transformer cooling type | Air |
| Weight | 210±20 kg |
| Dimensions (W×L×H) | 400×800×1200 mm |
| Power supply voltage | 500 V · 50/60 Hz · 3-phase |
| Delayed circuit breakers | 125 A |
| Mains cable (≤10 m) | 2×35+16 mm² |
TYPICAL APPLICATIONS
Where this machine earns its place.
Common production scenarios our engineers see with this machine family.
Full-section joints on rod, tube and profile.
Closed-loop components welded end to end.
Profile corner joints for window and frame assembly.
BUILT AROUND YOUR APPLICATION
Precision in every detail.
Family specifications from the current Akwa Technic catalog. The original technical sheet includes model-level ratings, dimensions, equipment and operating requirements.
| Rated power | AC 12–60 kVA · MFDC 111 kVA |
| Technology / control | Microprocessor |
| Power supply | AC: 400 V · 2-phase · 50/60 Hz / MFDC: 500 V · 3-phase · 50/60 Hz |
Product features
- Can be manufactured with different power ratings and designs to suit the application.
- Welding capacity: suitable for Ø2-12 mm wire, profile and pipe welding.
Optional equipment
- Custom electrode