where expertise comes together - since 1996 -

The Largest Open Access Portal of Nondestructive Testing (NDT)

Conference Proceedings, Articles, News, Exhibition, Forum, Network and more

where expertise comes together
- since 1996 -

develops and manufactures cutting edge Portable Digital Radiography X-ray Inspection Systems.
Technical Discussions
01:13 Jan-14-2003
thickness measurement of buried pipeline

I am interested to purchase system which an carry thickness measurement of buried installed pipeline especially near railway crossings. Could anybody suggest the best testing equipment details etc.

Peter Philipp
Peter Philipp
03:37 Jan-15-2003
Re: thickness measurement of buried pipeline
Dear Paresh,

I assume you want to inspect pipe under rail crossings is this correct?

We are Guided Ultrasonics Ltd and we manufacture the Wavemaker pipe screening equipment that has been designed specifically for this type of application and it is being used a lot in the US for this.

It does not directly measure wall thickess but it does identify change in cross section and can detect changes of about 5%. From this you can infer approximate wall thickness.

Our equipment is second generation equipment you can get more info from our website www.guided-ultrasonics.com

We will be happy to quote for equipment and training but would like more details about the application such as
What sort of length do you want to test
Diameter of pipes
Are the pipes coated with anything
General visual condition of pipe
How are they buried i.e. in sleeves, concrete, earth etc.
All the above have an affect on the performance so it would be useful to know.

Please contact me if you want any further information.

: I am interested to purchase system which an carry thickness measurement of buried installed pipeline especially near railway crossings. Could anybody suggest the best testing equipment details etc.


Product Spotlight


TSC Amigo2 - ACFM technology has developed a solid reputation for accurately detecting and sizing
surface-breaking cracks through paint and coatings. As the industry demands increased performance in speed, signal quality, and portability, it’s time for an evolution. It’s time for Amigo2.

High-performance Linear Phased Array Probes

Available to order from stock in a range of 5MHz – 7.5MHz and from 16 to 64 elements. Designed w
ith piezo-composite elements, Phoenix phased array probes provide high-resolution imaging to maximise sensitivity; accurate ultrasonic detection and sizing of defects in welds; and effective corrosion mapping. Housed in a rugged stainless steel case for on-site industrial NDT applications.

ISAFE3 Intrinsically Safe Sensor System

ISAFE3 intrinsically safe sensor system of Vallen Systeme is especially targeted at the petrochemica
l - as well as oil and gas transportation industry. The sensor system is designed for permanent monitoring or periodic inspection tasks. Sensors are available for different AE-frequency ranges optimized for corrosion and fatigue crack detection and other applications. The ISAFE 3 sensor system consists of an AE-sensor (model ISAS3) certified according to ATEX/IEC for installation in zone 0, gas group IIC, IP68, 20 to +60 °C, and a signal isolator (model SISO3) certified for installation in zone 2. An ISAS3 sensor can be mounted in atmosphere or submerged, e.g. in water or crude oil. It is supported by mounting tools for temporary (magnets) or permanent (welded) installation. ISAFE3 supports automatic sensor coupling test and can be used with any AE signal processor supporting 28V supply at 90 mA peak, e.g. Vallen Systeme ASIP-2/A.

SONOAIR - air-coupled Phased Array Ultrasonic Inspection System

For highly attenuating materials, the performance of the system is critical. The ultrasonic sensors,
the scanning area and the system settings should be flexibly adapted to the test task and the material. These high expectations are met with the new and modular testing system SONOAIR. With the world’s first air-coupled phased-array UT inspection system SONOAIR we developed a technology that works with up to 4 transmitter and receiver channels with freely configurable square wave burst transmitters as wells as low noise receiving amplifiers.

We use technical and analytics cookies to ensure that we will give you the best experience of our website - More Info
this is debug window