OSK4TK Tube to Tubesheet Fusion Weld Head

OSK4TK Tube to Tubesheet Fusion Weld Head

OSK4TK Tube to Tubesheet Fusion Weld Head

The OSK4TK weld head is a combination of the OSK65W enclosed water cooled weld head and the 4TK kit; comprising electrode holder, nose ring and pneumatic mandrel actuating assembly.

This method of producing autogenous tube to tubesheet joints provides a high quality, very clean weld and is particularly suited to Titanium applications because the entire weld circumference is contained within a fully inert environment during welding.

This head can be used for tube diameters from 15.0mm to 50.0mm ID, a mandrel assembly is required to complete the package.



1.50 inch OD OSK4TK Welds1.50" OD Stainless Steel tubes welded into a Stainless Steel Tubesheet using the OSK4TK weld head. This photo shows the welds in the 'as welded' condition, no additional cleaning or brushing has been carried out post welding:








OSK4TK WeldingWelding with the OSK4TK weld head is a fitting operation rather than a welding op, a simple pneumatic switch is used to de-activate/activate the mandrel for rapid relocation between welds:

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