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AVN Quality Group
AVN Professional Quality is an ISO 9001:2015 and ISO 17020:2012 certified service organization and is committed to reducing clients’ risks by providing QHSE
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Loading…Loading…ServiceAVN Professional Quality is an ISO 9001:2015 and ISO 17020:2012 certified service organization and is committed to reducing clients’ risks by providing QHSE consulting and training; technical inspection services, technical manpower services and establishment of management system.
AVN Professional Quality offers our technical and safety services to the Oil & Gas, Construction, Engineering, Chemical, and other Heavy industries and our consultancy to management system certification to all industry sectors.
AVN Professional Quality Head Office is located in Thane (Mumbai) – India with branches in Dubai / Sharjah, UAE and operates in India & GCC countries providing our clients with wide-ranging technical services; Quality Assurance and Inspection expertise and access to skilled specialists. We deliver integrated solutions that include inspection, expediting, auditing and asset integrity services, to our clients ensuring conformance to standards and specifications, within their supply chain, at construction sites and at their operating plants.
AVN Professional Quality has qualified and experienced staffs and is an outsourcing organization in engineering and technical services.
Visual inspection, with or without optical aids, is the original method of NDT. Many defects are surface-breaking and can be detected by careful direct visual inspection.
Visual examination is the most basic non-destructive testing method, which precedes and is used in conjunction with any other NDT method. Visual inspection is a method that ranges from simply looking at a part to see if surface imperfections or defects are present and visible, to using Optical aids include low-power magnifiers, microscopes, telescopes and also specialized devices such as borescopes, endoscopes and other fibre-optic devices for the inspection of restricted access areas.
Liquid penetrant testing is a traditional non-destructive method for inspection of surface breaking flaws such as cracks and porosity in test objects with non-porous surfaces. The tested surface is cleaned and coated with a penetrant solution either a visible or fluorescent dye that is drawn into the discontinuity by capillary action. The excess solution is removed from the surface, but the penetrant remains in the surface breaking flaws. A white developer is then applied to draw the penetrant out of the defects and shows a contrast image. After the evaluation of the indications the surface is cleaned.
Liquid penetrant testing can be used on relatively dirty surfaces, but the sensitivity is decreased, but a fluorescent penetrant can also be used that gives increased sensitivity. The length of an indication can be accurately determined, but the depth cannot be determined with this method.
Magnetic particle testing is a widely established non-destructive method for the detection of surface breaking flaws as well as sub-surface flaws with depths of 2-3mm. The method is accomplished by inducing a magnetic field in ferromagnetic materials. The surface is coated with a white contrast paint and over this paint iron particles suspended in liquid are applied. Surface and near surface flaws produce magnetic poles and iron particles are attracted and concentrated, producing a visible indication of the defects on the surface of the material. The length of an indication can be accurately determined, but the depth cannot be determined with this method.