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Manipulated steel tube

Manipulated steel tubes, built to OEM specification, compliments our range and delivers an integrated “port to port” hydraulic system.

Production process

ALFAGOMMA Group Global OEM customer base is supported through 10 Hydraulic Manipulated  Tube production sites worldwide.

The range features:

  • Carbon and Stainless Steel
  • Diameters from 4 to 200 mm   –   3/16” up to 8”
  • High production accuracy
  • 3D Geometry measurement technology
  • High cleanliness level (up to NAS 5, ISO4406 16/14/11 or better)

 

Plant and Equipment

ALFAGOMMA  state of the art production and quality control equipment

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Automatic laser cutting

Macchina di Curvatura

CNC Tube Bending

 

Controllo 3D

3D control

 

Deformazione Estremità

End forming:

JIC, ORFS, DIN 24°

 

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Manual – Automatic Welding

Welding process and procedures are  ACCREDIA  approved. An independent accredited third party

 

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Braze Furnace Welding

 

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Low pressure testing

5 bar pressure – in water bath.

  • Iigh pressure testing 
  • max 1000 bar

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Surface Treatment: 

  • – Zinc plating
  • – Powder  coating

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Internal tube cleaning

High cleanliness level up to:

NAS 5 – ISO4406 16/14/11