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NDT Techniques being used for hot water storage tank manufacturing, quality assurance and inspection:

To mitigate operational risks, hot water tank manufacturing and inspection involve the application of non-destructive testing (NDT) techniques.

For the detection of surface-level defects following NDT techniques are used:

Visual Testing 

One prevalent NDT approach involves visually inspecting the storage tank to identify defects.

Visual testing requires good visibility, training and perfect eyesight of the inspector. The visual testing method has easy access to the surface. 

Magnetic Particle Testing 

Employed for surface and sub-surface defect detection, magnetic particle testing is a valuable NDT method applicable to ferromagnetic materials like carbon steel.

Dye Penetrant Testing 

A penetrant, generally a red coloured die, is sprayed on the vessel surface to detect its surface flaws. To make defects more visible under UV light, a fluorescent chemical is also added.

This test is effective in case the defects are exposed to the surface.

For internal defects of pressure vessels following NDT techniques are used:

Radiographic Testing 

Here radiations are applied to the component, and any alteration in the material can be detected and recorded on the film.

Radiography is the most popular NDT technique as it can capture defects on the film and also provides a hard copy of it.

Appropriate NDTs are part of the good manufacturing processes for Shell and Tube Heat Exchangers, Air Compressor Tanks, Agitator Vessels, Reactor Pressure Vessels, Stainless Steel Vessels and many more.

Aefab Annapurna Engineering is a leading Pressure Vessel Manufacturer and uses appropriate NDT techniques during the manufacturing process to ensure quality.

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