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Flare system

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BZLAM21

BZLAM21

Petroleum
Joined
Aug 12, 2020
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61
Location
IT
Hi
If possible,can someone explain what is the best choice between molecular seal or velocity seal for flare system in a refinery and what is the difference between them (advantages and disadvantages)?
best regards.
 
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I've only worked with molecular seals on flares. Personally, not fond of them, they could get blocked. Best to use higher purge rates instead and use inert gas if you have enough.
 
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BZLAM21 said:
what is the best choice between molecular seal or velocity seal for flare system?
Click to expand...
User dependent. Depends on application, cost of purge and local practices.

BZLAM21 said:
what is the difference between them (advantages and disadvantages)?
Click to expand...
Mol seal - more pressure drop, less reliable, less purge rate for flashback prevention
Vel seal - vice versa
 
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