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Aqua Setter Aquozu: Ultra High Liquid Pressure Tube Expansion machine

Lightweight, compact, energy-saving and space-saving tube expansion equipment!

Aquozu is a tube expansion machine which expands tubes by ultra-high pressured water and servomotor is
installed as a driving source. Ultra-high pressured water works inside a tube and this makes the tube fixing to
the tube sheet by a plastic deformation. This machine is suitable for thick and/or long tube expansion.

Gun unit

Aquozu

Features

  1. Environment Friendly
    : Water-assisted, clean, environment-friendly tube expansion.
    Work environment improved with oil leak-free servomotor.
  2. Economical : With its ability to expand 800mm in a single expansion, Aqua Setter Eco greatly reduce the expansion time and total cost.
    generated.in thickness.
  3. Easy Operation
    : Even thick tube can be expanded at your fingertips.
    Foolproof equipment with touch-screen system.
  4. Safety
    : As no resistance force is generating during expansion, it improves
    safety of operation.
  5. Improve Quality : No tube deformation and tube inner diameter hardening/flaking is generated.

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Application Examples

  • Feed water heaters for power generation plants
  • Tube reactors for natural gas plants
  • Heat exchangers for petrochemical plants, etc.

Principle of Liquid Pressure Tube Expansion

AquasetterMechanism

Tube Expansion Examples

  • AquaSetterEcoSample1Tube material: STBA23
  • Tube dimensions: O.D.50.8×t4.6
  • Tube sheet  material: S45C
  • Expansion length: 555 mm
  • Working pressure: 190 MPa
  • Grooves (drain): none

  • AquaSetterEcoSample2Tube material: SUS304TP
  • Tube dimensions: O.D.25.4×t2.0
  • Tube sheet  material: S45C
  • Expansion length: 45 mm
  • Working pressure: 300 MPa
  • Grooves (drain): 2

  • AquaSetterEcoSample3Tube material: C6871
  • Tube dimensions: O.D.25.4×t1.8
  • Tube sheet  material: SS400
  • Expansion length: 45 mm
  • Working pressure: 200 MPa
  • Grooves (drain): 2

  • AquaSetterEcoSample4Tube material: CSUS304
  • Tube dimensions: O.D.12×t1.0
  • Tube sheet  material: SUS304
  • Expansion length: 30 mm
  • Working pressure: 200 MPa
  • Grooves (drain): none

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