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For the process industries, such as petrochemicals, it is essential that components in contact with the product are made of the right material.

Checking the composition of alloys is therefore a vital requirement for Process Control Equipment, the Stockton-on-Tees supplier of products such as valves and actuators to the oil and gas, chemicals and power related industries.

Their task of ensuring components are of the material specified has been made much easier thanks to the purchase of a hand-held XLt(TM) Alloy Analyser from Niton UK.

"We recently had to check an order of 300 to 400 valves, with two pressure retaining parts per valve," said Process Control Equipment's managing director, Barry Jackson. "We wouldn't have wanted to do that with anything slower than the Niton."

Previously for such tasks, the company used an external non-destructive testing house, but this meant they were at the mercy of someone else's timetable.

"Now we can test a valve within a matter of minutes, from getting it through the door, taking it out of the box, taking the reading and if necessary printing out and attaching an analysis report," continued Jackson, who has 40 years' experience in the field.

As well as the XLt's speed of use, the ability to download the information to a computer and print out a test report is an important advantage to the company, since it provides a valuable assurance of authenticity to customers.

The Niton UK instrument operates on the principle of x-ray fluorescence, which operates by using x-rays to excite the atoms in the sample and measuring the fluorescent x-rays re-emitted by the material. From this it then rapidly determines the elements present as well as their relative concentrations.

For samples with known ranges of chemical composition, such as common grades of metal alloys, the analyser can also identify most sample types by name, typically in seconds.

Other applications for the XLt range from simple metal sorting through to sophisticated elemental soil analysis and decontamination control. The instruments are also ideal for checking RoHS and WEEE compliance, scrap metal recycling, lead paint analysis and precious metals analysis, and are rugged enough for use in mining and prospecting.


Photo caption

The XLt Alloy Analyser from Niton UK quickly gives Process Control Equipment a precise readout of alloy composition.

Ref: NIT3-07
Date: 26 September 2007

Press enquiries

Stephen Bailey
Antimony Communications
Tel: 01483 416807
Fax: 08707 656807
Mobile: 07010 716807

Other enquiries

Michael Sibbald
Niton UK
Unit 19, The Calvert Centre, Woodmancott, Winchester, SO21 3BN, UK
Tel: +44 (0)1256 397860
Fax: +44 (0)1256 397861

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