TPN19 Orbital Inner Bore Welding Head for Tube Sheet Welding 19mm Diameter
Inner Bore Orbital Welding · Petrochemical
TPN19 Inner Bore Orbital Welding Head
The TPN19 is purpose-built for automatic TIG inner-bore welding of tubes and tube sheets. It joins carbon steel, stainless steel and other tube-to-tube-sheet configurations without filler wire, for tube inner diameters of Ø19 mm and up. Paired with the iOrbital5000 programmable welding power source, it delivers precise orbital TIG welding with highly repeatable, consistent results. Mainly used in petrochemical, boiler manufacturing and nuclear power industries.
Performance
- 01
Inner-Bore Expertise
Purpose-built for inner-bore welding of heat exchanger tube sheets in the petrochemical industry.
- 02
Small-Diameter Capability
Welds tube-sheet bores down to Φ19 mm.
- 03
Precise & Simple
Accurate positioning and easy operation.
- 04
Material Versatility
Suitable for carbon steel, stainless steel and other materials.
- 05
Custom Design
Custom designs available to suit specific product requirements.
Technical Parameters
| Parameter | Value |
|---|---|
| Weldable Material | Carbon steel, stainless steel |
| Weldable Pipe Diameter ØD (mm) | ≥ Ø19 |
| Protrusion Length A (mm) | 20 – 120 |
| Pipe Wall Thickness δ (mm) | 1 – 2.5 |
| Tube Sheet Form | Tube insertion, tube flush |
| Tungsten Electrode Diameter (mm) | Ø2.4 |
| Rotation Speed (rpm) | 0.37 – 7.39 |
| Arc Length Adjustment Spacing (mm) | 15 |
| Protective Gas | Argon |
| Cooling Method | Water cooling |
| Cooling Flow (ml/min) | ≥ 300 |
| Weight (kg) | 11 (without cable) |
| Dimensions (mm) | 570 × 290 × 510 |
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