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Thorough Non-Destructive Testing throughout the UK and Ireland for all weldments and metallic materials including detailed reports.

  • Visual Inspection (VT/ VI)

  • Dye Penetrant Testing (PT)

  • Magnetic Particle Inspection (MPI/ MT)

  • Ultrasonic Inspection (UT)

  • Positive material Identification (PMI)

  • Borescope Inspection

Visual Inspection (VT/ VI)

Why it is needed

Visual weld Inspection is one of the simplest NDT methods and involves 100% critical observation of the external features visible on all welds. It is an important quality assessment to be performed before, during and after welding operations have been accomplished.


What is involved

Visual assessment of the preparation and external look of the weld with the use of a magnifying glass, Measuring gages, ruler, torch.


Dye Penetrant Testing (PT)

Why it is needed

Dye Penetrant Inspection (DPI), also called Liquid or Penetrant Testing (PT), is one of the oldest and simplest NDT methods, Liquid penetrant inspection is used to detect any surface discontinuities such as cracks, porosity, incomplete fusion, and flaws in welded joints. Dye Penetrant Testing can be used on a range of materials from Carbon Steel, Stainless Steel, Copper, Brass, Aluminum and certain Plastics.


What is involved

The first step in Liquid Penetrant Inspection is to thoroughly clean the surface to be inspected and to make the test area is free from oil, grease, water, paint, and other contaminants that may prevent liquid penetrant from entering any flaws. Next, a red visible or fluorescent dye liquid penetrant is applied to the part by spraying, brushing or immersing in a penetrant bath. The liquid penetrant is left on the surface for a sufficient time to allow as much penetrant as possible to seep into any defects.

After the dwell time has elapsed, the excess liquid penetrant is removed from the surface with a lint free cloth and a thin layer of developer is applied to the part to assist in drawing the penetrant trapped in any flaws back to the surface where they will be visible and the part can then be inspected for any defects or discontinuities. 

Magnetic Particle Inspection (MPI)

Why it is needed

Magnetic particle Inspection is used to inspect Castings, forgings, welded joints, bars, rods,

shafts, gears, and other engineering components. The MPI/ MT method can be done during the manufacturing process and can also be used for in-service inspections and can prevent any breakdowns and its costly consequences.. In fact, MPI testing is one of the most widely used testing method in any ferrous material and used significantly through out the steel manufacturing and processing industry.

What is involved

The technique works by inducing a magnetic field in the component to be tested. If a surface or near-surface flaw is present, the magnetic flux is distorted and ‘leaks’ around the flaw.

By dusting the surface of the tested item with fine magnetic particles such as ferrous iron filings, (applied either dry or suspended in liquid), the particles will be attracted to the area of the flux leakage creating a visible indication of the defect.

The indication can the be inspected to determine what action should be taken, if any.   


Ultrasonic Inspection (UT)

Why it is needed

Manual ultrasonic testing is a form of non-destructive testing that is typically used to detect volumetric flaws, material integrity and the thickness of a component. Ultrasonic testing is used to carry out inspection on castings, forgings and welded joints in all different types of industry sectors.

The Ultrasonic method can be used on various types of materials and its applications include:

Flaw detection such as inclusions, cracks and porosity – particularly for small flaws or flaws situated deep within a component.

Ultrasonic Testing is also used in determining the thickness of test objects, particularly in erosion or corrosion monitoring of pipework.

The benefits of this method include quick accurate inspection and portable operation.

What is involved

Ultrasonic Testing uses high frequency sound energy to examine different types of components

and is capable to detect internal flaws and perform precision measurements.

Ultrasonic testing has been used in ensuring quality and integrity of new components including in service items, welded joints and has become vital inspection method across all industry sectors.

Positive material Identification (PMI)

Why it is needed

A rapid, non-destructive method, positive material identification is performed on a wide range of components and materials, PMI is used for both material identification and verification.
The method is utilised for quality control, and is an integral part of both production and asset integrity management across many industries including oil and gas, power, chemical, pharmaceutical, nuclear, aerospace and fabrication.

What is involved

Positive material identification is performed using either X-ray Fluorescence (XRF) or Optical Emission Spectroscopy. X-ray Fluorescence is the most common method due to the portability

of the hand-held device. The handheld device scans the metal material and identifies its key elements.


Borescope Inspection

Why it is needed

Borescope inspection is widely used to visually inspect the internal condition of items such as plant, machinery and pipework. Borescope inspection has become important to the inspection of welds

on pipework and the recording of images now being the norm.


The stringent requirements of ASME BPE stipulate up to 100% visual inspection and full traceability of all welds.

What is involved

A borescope is an optical device consisting of a rigid or flexible tube with an eyepiece or display

on one end, and a camera on the other, linked together by an optical or electrical system in between.


The optical system is surrounded by optical fibers and used for illumination of the object to aid imaging and video. An internal image of the illuminated object is formed by the lens and magnified by the eyepiece which presents it to the Inspectors eye.

We are


We cover all your witnessing and testing needs and well respected within the industry. All our staff are fully qualified to a high standard.

Hassle Free - guaranteed

Our staff are courteous and friendly and easily contactable. Working with us is hassle free.


UK Coverage

We offer fast response times and cover anywhere in the UK.

Competitive on price

Each and every job is competitively priced - try us, you may be surprised how much you can save.

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