Heat Exchanger Tube Expansion System

Description

An updated HydroSwage® Tube Expansion System featuring new ease of use and data collection features has been introduced by Haskel International. The compact Mark V system provides high accuracy, speed and repeatability by expanding heat exchanger tubes into tube sheets through the direct application of high internal hydraulic pressure. It is designed for use in fabricating heat exchangers for steam generation, condensation and evaporation.Applications include power generation, metalworking, air conditioning, chemical processing and paper mills.

The New Mark V includes touch-screen electronic controls for set up of all process functions. Expansion historyis stored and can be downloaded to an Excel spreadsheet through a USB port.Heavy duty casters make it easy to roll the system up to the tube sheet face to perform expansion. The intensifieris mounted into a convenient drawer that slides out of the power unit. An optional 6m (20 ft) long umbilical cordallows the intensifier to be used at a distance from the power unit (on a scaffold to access a very large sheet, for example).

Designed to provide one-step high pressure expansion regardless of the tube sheet thickness, HydroSwage®expanding mandrels feature a patented segmented seal support system that holds high pressures with minimalseal extrusion.Capable of expansion pressures to 50,000 PSI, the system accepts 100 to 240 VAC single-phase and requires airinlet pressure between 70 and 150 psi with a minimum of 70 scfm. Expansion pressures are applied uniformly,tube after tube, yielding consistent joints throughout the tube sheet. The method has been applied successfully toexpand tubes into tube sheets as thin as 19 mm (¾”) up to as thick as 84 cm (33”).

Specs

  • expands heat exchanger tubes into tube sheets
  • includes touch-screen electronic controls
  • one-step high pressure expansion
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