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gkishorenair
Associate

Join Date: Jul 2008
Location: India, Kuwait
Posts: 31

Safety valve design

07/08/2008 3:50 AM

Which are the basic parameters involved in the sizing a safety relief valve used in gas service?
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#1

Re: Safety valve design

07/08/2008 3:53 AM

Just one.

  • Can the valve release the required quantity of gas from the system without the system going into a hazardous overpressure condition at the most severe temperatures and pressures the system can throw at it.
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vicini
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Join Date: Dec 2007
Posts: 588
Good Answers: 13
#2

Re: Safety valve design

07/08/2008 11:51 PM

suggest you read API RP520/521. Other than that, all the physical properties of the gas and all the limits of the vessel being protected.
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z28summit
Active Contributor

Join Date: May 2008
Posts: 12
#3

Re: Safety valve design

07/12/2008 12:06 AM

If it is natural gas, it will need to be NACE certified
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