Tube to Tubesheet Welding Heads
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P-20 Tube to Tube Sheet Orbital Weld Head
 The P-20 weld head has been designed to enable the welding of boiler tube fitted to tube sheet in heat exchangers.
This head allows this task to be carried out using a precision Orbital Welding Power Supply, such as the ORBIMAT C range, This means thet not only is a rotation of the torch is consistent and the delivery of the welding current is also kept constant and can be veried around the circumference of the tube.
P-20 Tubesheet Welding Head
* Weld Flush, Recessed or Protruded Tubes.
* Internal Bore Weld Torch (Optional).
* Eliminate Mundane Welding Task.
* Achieves Guaranteed Results Every Time
* Increase Operator Efficiency. |
The P-20 uses a three point support system which holds the torch at a fixed distance from the weld joint. To align the tungsten to the tube a mandrel is used. This is entered in the bore of the tube to be welded. The head is supported by a chain to take the bulk of the weight of the weld head. The P-20 can be used with or without a filler material.
 P-20 Dimensions.
In applications which use filler material a standard 4" (1kg) reel is used and this is mounted on the head body.
If welding highly reactive materials such as titanium the welding are can be covered with purge chamber which encapsulates the welding zone.
For tube inside diameters from 10 - 26mm the welding torch can be tilted to 30 degrees to enable protruding tubes to be welded.
The P-20 will also accommodate tubes from 10 - 70mm inside diameter with the torch positioned parallel to the tube to be welded.
For deeoly recessed tubes and boiler tube repairs the P-20 can be fitted with an Internal Bore Welding Torch. This allows the weld to be performed deel into the tube plate or inside a vessel.
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Technical Specification. |
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Welding Position - Horizontal or Vertical |
Welding Process - TIG with or without Filler |
Welding Current - Maximum 200 Amps |
Tube Diameter Range - 10 - 70mm Up to 26mm with torch inclined at 30 deg. |
Up to 70mm with torch parallel to the tube. |
Welding Geometry - Recessed, Flush, Protruding. |
Transmission - Current by Lamellar Coupling - Gas/Water by rotary coupling. |
Front Support - Three Point Support. |
MandrelcSupport Vessel - Stainless Steel. |
Torch and Wire Nozzle - Ajustable on 3-axis. |
Torch Cooling - Water Up to Electrode. |
Electrode Work Piece Regulation - Forward and Backward Micrometric Regulation - Stroke +/- 5mm. |
Rotation & Wire Motor - 18v DC |
Rotation Speed - 0.33 to 6 rpm |
Wire Speed - 0.15 to 1.5m/min. |
Wire Spool - 1 kg mini spool 100mm |
Electrode Diameter - 1.0 to 3.2mm |
Weight - With filler Wire 6kg. -Without Filler Wire 5kg. |
There are too many features and benefits of our equipment to list here, but please just call us to get all the necessary information you require to make THE RIGHT CHOICE.
Why Buy Orbimatic form JTS-PTA Pty. Ltd.? Dollar for Dollar the best value Orbital Equipment in the world!
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