Skyriders uses dye-penetrant testing at large Free State fertiliser plant
 | Skyriders uses dye-penetrant testing at large Free State fertiliser plant_approved | 30.5 KB | Download |
 Preview | Rope-access specialist Skyriders has been honing its NDT expertise since 2002. | 2.18 MB | Download |
 Preview | Dye-penetrant inspection was recently showcased at a major project for a large fertiliser plant in the Free State. | 3.23 MB | Download |
A form of Non-Destructive Testing (NDT), dye-penetrant inspection is based on capillary action. This means that low surface tension fluid is allowed to penetrate into clean and dry surface-breaking discontinuities. The penetrant is applied to the test component by means of dipping, spraying, or brushing.
After adequate penetration time has been allowed for, the excess penetrant is removed and a developer applied to draw the penetrant out of the flaw. This makes any hairline cracks visible to the naked eye. The inspection process itself is carried out under ultraviolet or white light, depending on whether the dye used is fluorescent or non-fluorescent.
Rope-access specialist Skyriders has been honing its NDT expertise since 2002, having received the stamp-of-approval from Eskom to conduct this specialist service at its power-station fleet. NDT forms part of a holistic Wear Failure System that forms part of Eskom’s maintenance and repair programme.
This ranges from visual inspection through to ultrasonic wall-thickness measurement and dye-penetrant or magnetic particle testing, to name a few. “All of these inspection methods are aimed at determining the current condition and any defects in the various components,” Skyriders Marketing Manager Mike Zinn explains.
Dye-penetrant inspection, in particular, was recently showcased at a major project for a large fertiliser plant in the Free State. Here a large structure with ancillary attachments had to be inspected thoroughly.
Skyriders worked as sub-contractor to SSA Acoustic & Specialised Inspections (Pty) Ltd. on this project. SSASI has specialised in delivering proven acoustic emission monitoring methodologies to their specific target market.
“The highly-specialised nature of the inspection work at height necessitated such collaboration,” Zinn explains. Skyriders focuses on providing its customers with complete solutions for all of their inspection and maintenance and repair needs.
Ends
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Notes to the Editor
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About Skyriders
Skyriders (Pty) Ltd, established in 1998, is a leader in the South African rope access industry, providing cost- and time-saving solutions to clients in the power generation and petrochemical industries who require rope access aided inspection, NDT and maintenance work to be done in difficult to reach, high-up locations.
Skyriders Contact
Mike Zinn
Skyriders Marketing Manager
Phone: (011) 312 1418
Email: mike [at] ropeaccess [dot] co [dot] za
Web: www.ropeaccess.co.za
Media Contact
Nomvelo Buthelezi
NGAGE Public Relations
Phone: (011) 867-7763
Fax: 086 512 3352
Cell: 083 4088 911
Email: nomvelo [at] ngage [dot] co [dot] za
Web: www.ngage.co.za
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