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         Pressure Vessel Safety 

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Introduction
Basics
Pressure
Force
Pressure Vessels
Types
Stresses
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Factor of Safety
Safety Devices
Rupture Disks
Relief Valves
Safety Relief Valves
Safety Valves
Codes
Names Plates
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What is a pressure vessel?

Definition: A pressure vessel is any container that has pressure that is different than atmospheric pressure.  Also, any container...vessel that has the potential to pressurize should be considered a pressure vessel.

How many types of pressure vessels are there?

There are many types -

Thinned wall

Thick walled

Storage tanks

Transportable Containers

Propane bottles

Gas cylinders

A pressure vessel is a container that holds a liquid, vapor, or gas at a different pressure other than atmospheric pressure at the same elevation.

You could even say that a carbonated soda bottle is a pressure vessel.  In fact, there is over 15-psi of pressure in a high carbonated soda bottle.  We must be practical too.

 

Question: Is a container with a vacuum inside a pressure vessel?

A.) Yes     B.) No     C.) Special Rules Apply

Answer: 

A.) A vacuum in a vessel is categorized as a pressure vessel.

 

 

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Last modified: March 12, 2005