Roger Duwe NDT Inspector, API-510, 570, 653 MISTRAS, USA, Joined Jan 2009, 148
Roger Duwe NDT Inspector, API-510, 570, 653 MISTRAS, USA, Joined Jan 2009 148
22:51 Jan-25-2010 Re: High temperature Lines - RadiographyIn Reply to Nigel Armstrong at 13:29 Jan-25-2010 .
In addition to the wall thickness to be penetrated, the curvature will give problems. Typically, profile RT is not used above about 12-inches OD due to the curvature. 30-inch pipe will not give results accurate to use for pressure calculations or measuring material loss.
High-temp couplant and UT-thickness are probably the best method. You only need a 50-75mm hole in the insulation, and it can be replaced with a plug of fiberous insulation -- Kaowool, Cerowool, or similar.
The all-digital Novascope 6000 is a portable, ultra-high precision
thickness gauge for high-speed
Novascope 6000 has unmatched capabilities and unique features
•Superior Resolution with high contrast, high-speed color RF
•High pulser voltage
•Real-time video output
•Increased internal/external data storage
•Programmable SetUp features
•Battery & AC Powered
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.
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.