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VX Exchanger RT is a complete system specifically developed for the radiographic testing of tube-to-tubesheet weld connections where access is available only from the tubesheet side. For inspection tasks with lower volumes, where the purchase of a fully digital VX Exchanger XL system may not be justified, VX Exchanger RT provides a solution that enables continued use of analogue methods with X-ray film or imaging plates. VX Exchanger RT can be used for metallic materials (e.g. steel, nickel-based or titanium alloys) with a minimum internal tube diameter (ID) of 7 mm.