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Pressure Vacuum Valve For Hydrocarbon Storage

#1 User is offline   tarik999 

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Posted 10 March 2008 - 12:10 PM

Hi all
I have some concerns regarding the installation of Pressure Vacuum valve for storage:
- What is the aim of this kind of safety valve dedicated for storage?
- For which class of product we install these devices?

Thank you in advance for your answers

my e-mail is : tarik_999@hotmail.com
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#2 User is offline   proinwv 

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Posted 10 March 2008 - 12:26 PM

The P-V vent is installed to provide breating, both in and out, to protect the tank from both over pressurization and vacuum. It only protects the product in that it limits both out and inbreathing. If the tank is open to atmosphere, these are not used.

For fluids such as hydrocarbons, the API 2000 standard details how to size these. It is often used as a handbook for guidance for other applications.

If you need a P-V vent and don't know why you really need to talk to your colleges or an outside consultant. Failure of a tank can result in loss of product, facility and most important life.
Paul Ostand
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