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UKAS Approval for Specialist Exova NDT Lab

  • Tuesday, 26th June 2012
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  • Reading time: about 3 minutes

A specialist laboratory of Exova has been approved to carry out advanced, bespoke tests to the highest industry standard.

The Droitwich laboratory, Worcestershire, UK, Exova explains specialises in NDT (Non Destructive Testing) recently invested in a combined immersion and jet probe ultrasonic inspection system, which has already been approved by Nadcap, and helicopter giant AgustaWestland.

Exova says now the equipment has been approved to the UKAS EN 17025 standard, the main industry approval which recognises the competency of testing and calibration laboratories. The new approval means the cutting edge test frame can now be used to carry out work for customers looking for the UKAS accreditation.

According to Exova, the combined immersion and jet probe ultrasonic inspection system supplements and enhances the lab’s significant NDT capability. It is designed to be highly versatile and accommodate both metallic and composite materials with flat and curved surfaces and varying geometries. They say the system is capable of pulse-echo immersion inspection of curved components using a multi-axis manipulator in the immersion tank. Through-transmission inspection is carried out using water jets mounted above the immersion tank.

The main system specifications include a range of 2,000mm length and 1,000mm width, with a speed of 750mm/sec and 250mm/sec. The multi-axis manipulator (immersion) has a range of 400mm on the Z axis, 225 degrees on the T1 axis and 360 degrees on T2. Speed is 200mm/sec, 30 degrees/sec and 30 degrees/sec respectively.

Exova Droitwich is part of a network of specialist NDT labs including Dudley and Nuneaton, also in the Midlands, offering services to industry sectors including power generation, aerospace, automotive, oil and gas and defence. The NDT facilities hold a range of national, international and prime manufacturer-based approvals also including Rolls Royce, BAE Systems, Goodrich and Moog.

Exova explains NDT services available include:

• X-ray up to 450Kv and Gamma Radiography
• Magnetic particle inspection
• Liquid penetrant inspection
• Passivation
• Visual
• Ultrasonic, both contact and IUT and phased array
• Eddy current.

Exova’s engineers are multi-disciplined experts holding a range of qualifications to schemes including ASNT, BS EN 473 PCN, NAS 410 and BS EN 4179, working both in-house and on-site.

Barnabas Mapuranga of Exova Droitwich said: “The bespoke test frame was a significant investment for Exova, and the quality of our work has already been recognised by Nadcap and Agusta Westland.

“This latest approval from UKAS is a further sign to our global customers that our testing services are the best available, and we look forward to working with a number of industries which will benefit from our bespoke testing.”


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