Advanced NDT Services

WE PROVIDE ALL TYPES OF NDT AND INSPECTION SERVICES. THE FOLLOWING IS
A LISTING OF OUR NDT CAPABILITIES
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RADIOGRAPHIC TESTING

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ULTRASONIC TESTING

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PENETRANT TESTING

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MAGNETIC PARTICLE TESTING

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HOLIDAY TESTING

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HARDNESS TESTING

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LEAK DETECTION

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INSPECTION SERVICES

01

Tube Inspection Services Using MS-5800 Of R/D Tech

➢ IRIS (Internal Rotary Inspection System) of ferrous/nonferrous tubes
➢ RFET (Remote Field Electromagnetic Testing) of Ferro magnetic tubes,
Heat Exchanger Tubes, Boiler tubes, Boiler swage tube region, Fin Fanetc.
➢ Eddy Current Inspection of Tubes (non-ferrous tubes)
➢ Eddy Current testing of non-ferro-magnetic tubes
➢ Magnetic Flux Leakage testing of ferro-magnetic tubes

MultiScan MS 5800™
The new, powerful MultiScan MS5800 acquisition unit pushes the limits of
NDT inspection with its all-in-one solution.

02

Pipeline Inspection Services

➢ Guided Wave Testing

Wavemaker™ uses guided waves to inspect pipes for corrosion from one point. The system has the ability to detect defects in a part of a pipe that is buried or inaccessible. A probe ring is placed around the pipe and transmits guided waves through the pipe in either direction of the probe ring. The pulse echo type operation provides information on feature position and
approximate size. The interpretation of results is done with sophisticated analysis aids.

Key advantages of Guided Wave Testing:

• The test can be carried out at elevated temperatures without taking the pipe out of service.
• 100% of the pipe is inspected (within the diagnostic length of a test).
• Pulse echo type operation provides information on feature position and severity.
• Sophisticated analysis aids interpretation of results.
• Interpretation possible between defects and standard pipe features.
• Ability to detect metal loss and planar defects at long range.
• Metal loss may be internal or external.
• Sensitivity can be as good as 1% loss of cross-section in ideal conditions (but is
typically set at 5%)

03

TOFD/Phased Array Testing

OMNISCAN MX 2: SOLUTION FOR TOFD AND PHASED ARRAY TESTING.

PHASED ARRAY:
Phased array technology enables the generation of an ultrasonic beam where parameters such as angle, focal distance, and focal point size are controlled through software. Furthermore, this beam can be multiplexed over a large array.It is possible to quickly vary the angle of the beam to scan a part without moving the probe itself. Phased arrays also allow replacing multiple probes and mechanical components. Inspecting a part with a variable-angle beam also maximizes detection regardless of the defect orientation, while optimizing signal-to-noise ratio.

Benefits of Phased Arrays Phased array technology offers the following benefits:

• Software control of beam angle, focal distance, and spot size
• Multiple-angle inspection with a single, small, electronically controlled
multielement probe
• Greater flexibility for the inspection of complex geometry
• High-speed scans with no moving parts

Full-Featured A-Scans, B-Scans, and C-Scans

Full-Featured Sectorial Scan

• Real-time volume-corrected
representation
• Higher than 20-Hz refresh rate
(up to 40 Hz)

Advanced Real-Time Data Processing

• Real-time data interpolation to improve spatial representationof
defects during acquisition of data
• User-selectable high-pass and low-pass filters to enhance A-scan
and imaging quality
• Projection feature allows the operator to view vertically positioned
• A-scan simultaneously with sectorial scan image

TOFD:
The TOFD technique is based on diffraction of ultrasonic waves on tips of
discontinuities, instead of geometrical reflection on the interface of the
discontinuities. When ultrasound is incident at linear discontinuity such as crack, diffraction takes place at its extremities. Usually, TOFD technique uses a pair of probes. One Acts as an emitter of ultrasound, the other as a receiver. The longitudinal sound beam can encounter obstacles on its path, which cause reflected and diffracted signals. When the probes are moved parallel along the weld, the resultant waveforms are digitized, stored on hard disk, and displayed on the screen. Using this advanced technique gas and binding defects, slag inclusions and cracks can be detected independent of defect orientation with very accurate sizing of the defects (±0.5-1.0 mm).

TOFD offers rapid weld inspection with excellent flaw detection and sizing capacities. The diffraction technique provides critical sizing capability with relative indifference to bevel angle or flaw orientation.

The main TOFD applications are:
❖ In-service defect monitoring
❖ Defect detection, documentation, and evaluation during the
production

Main Benefits of TOFD
❖ Wide coverage area using a pair of transducers
❖ Accurate flaw sizing; amplitude-independent
❖ Sizing technique using time-of-flight information
❖ On-line volume inspection – very fast scanning
❖ Setup independent of weld configuration
❖ Sensitive to a variety of defects
❖ No sensitivity to defect orientation

04

MFL Tank Floor Inspection

THE NEW FLOORMAPVS2i, COMPUTERIZED MFL CORROSION DETECTION & SIZING FOR TANK BOTTOM INSPECTION USING ADVANCED MAGNETIC FLUX LEAKAGE TECHNOLOGY. THE
FLOORMAPVS2i IS A MAJOR STEP FORWARD IN MFL INSPECTION.

Silverwing (UK) Ltd’s latest version of the bestselling Floor map MFL tank bottom inspection scanner, the VS2i contains significant improvements in terms of defect positioning, electronic data processing and software manipulation. A new encoder system has been developed which is electronically calibrated to each individual scanner. This new encoder now gives accuracy to within 3 mm on an 8-meter track length. The new VS2i tank inspection system is the most operator friendly, comprehensive tank floor inspection system in the world, the motorized Floor Maps takes all the
strain giving you more consistent results and less operator dependency.

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