Why Safety Matters in Pressure Tank Manufacturing

Editor’s note: This post was originally published on 5/3/18 and has been updated for accuracy and comprehension.

What safety steps do pressure tank manufacturing companies take?

  1. Inspection
  2. Non-destructive testing
  3. Pressure-rating system
  4. Overpressurization devices

Pressure vessels have been utilized for over 300 years.

They’re employed for a variety of purposes, including mining, chemical plants, nuclear reactor sites, submarines, space exploration, compression chambers and storage vessels.

What are pressure vessels?

Tanks or containers designed to safely operate under pressure. They may contain gases, liquids or other materials to treat wood, rubber, and other products.

Pressure vessels are tanks or containers that are specifically designed to safely operate under pressure while accommodating gases, liquids, or other materials that are inside.

Purchasing an autoclave or ASME tank is a big deal.

You need to feel confident that the equipment you buy is risk-free.

Here’s how tank manufacturing companies ensure that your team and building will be safe.

Safety first

Because pressure vessels are in use under high pressure, the design and safety features are very important for the vessels themselves, the workers who operate them, and the communities surrounding the locations that are utilizing the pressure vessels.

There have been numerous fatalities associated with the use of pressure vessels, which is why the design, manufacture, and use of pressure vessels are highly regulated by engineering authorities and governmental laws and restrictions.

Strict design codes must be adhered to in the tank manufacturing process and certain steps are taken to ensure that pressure vessels are safe once they leave the manufacturers’ hands.

Here are a few of the ways in which they’re making safety a priority.

1. Inspection

One way that industry and governing bodies assure pressure vessel safety is by an inspection process – both during the tank manufacturing process and after the vessel is placed into operation.

2. Non-destructive testing

Non-destructive testing of the vessel’s material is just one of those processes.

As the vessel is being built, non-destructive testing can be used to verify that the materials used meet the required thickness and to inspect for defects within the vessel’s welds.

3. Pressure rating

After the vessel is placed in operation, the owner of the vessel can inspect its material’s thickness to verify the amount of useful life left at the vessel’s current pressure rating.

Once the vessel’s material thickness diminishes past the required amount for its rated pressure, it either must be used at a reduced pressure rating or replaced.

Failure to do so could result in a breakdown of the vessel and a release of its contents.

4. Overpressurization devices

Every pressure vessel is equipped with some type of overpressure safety device, such as a pressure relief valve, rupture disks or vacuum breakers.

The sole purpose of these devices is to prevent the vessel from overpressurizing which could result in catastrophic events.

Below is a photo of one such event.

pressure tank explosion

All too often these devices are neglected or forgotten about once the vessel has been placed into service.

Some states and/or province’s laws require that these devices be inspected periodically, but not all.

Proper periodic inspection of these devices should be part of your facility’s maintenance program.

The National Board of Pressure Vessel Inspectors has a great document on how these devices should be inspected.

Pressure tank manufacturing with safety in mind

While pressure vessels are indispensable tools, they can be quite dangerous if they aren’t properly maintained and don’t follow safety protocol.

Always follow the guidelines laid out for the safety of your device – and those who would be put in danger by negligence.

The motto for the tank manufacturing industry should always be “Safety first.” 

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Author: Jeffrey Lippincott

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