Velosi Worldwide

Global Reach & Local Services

We operate globally through our associate offices in
Africa, Asia, Europe and Middle East.

  Associate Offices Worldwide
  • Algeria
  • Angola
  • Bahrain
  • Brunei
  • China
  • UAE
  • Egypt
  • Ghana
  • Indonesia
  • Japan
  • Kuwait
  • Malaysia
  • Mongolia
  • Oman
  • Philippines
  • Pakistan
  • Qatar
  • Saudi Arabia
  • South Africa
  • South Korea
  • Thailand
  • Turkey
  • Vietnam
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QC Surveillance

QC Surveillance


Quality Surveillance is an ongoing monitoring process of all phases of production processes that is planned and scheduled in a spectacular manner without obstructing the product delivery. It is implemented on the basis of the performance and risk in order to maintain the efficiency and quality of the processes.

Velosi's accreditation for approval of procedures encompasses all kinds of permanent jointing to ASME (Boiler and Pressure Vessel Code), API (American Petroleum Institute), and AWS (American Welding Society) and EN Standards.

We also offer approval for other codes and processes such as brazing and different joining methods for plastics, including solvent welding. At Velosi, the overall QC Surveillance process involves:

  • Qualification, review and approval of welding procedures.
  • On-site inspection of the test piece production across written procedures.
  • Witnessing laboratory testing of the test coupons.
  • Analysis of any non-toxic or other test results.

Our QC Surveillance encloses two major elements, namely Welder Approval and Material Services.

  1. Welder Approval

    When a procedure is approved, individual welders would then be able to be evaluated against the standard procedure, utilizing a similar method. The approval of a welder is generally legitimate for two years (3 for brazing) as long as the welder is normally utilizing the procedure characterized in the method and his performance is evaluated in every six months. The extension of the welder approval is conceivable, as long as the specific characterized measures are met.

  2. Material Services

    There is an expanding necessity that materials demonstrate they meet the parameters in their chemical and mechanical properties. This has prompted the confirmation of material certificate requirements. Velosi provides surveillance at the mill by taking samples of material and exposing them to a thorough system of laboratory testing.

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