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Manual Depressurization

bdv manual depressurization

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#1 Danish John Paul

Danish John Paul

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Posted 04 June 2021 - 07:10 AM

Hi,

 

I have come across this manual depressurization line  in an equipment even though there are 2 BDV provided to blowdown the equipment.

 

Can anyone clarify the requirement of a manual depressurization line?. When will it is required to add another depressurization line when you have BDV?



#2 Bobby Strain

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Posted 04 June 2021 - 09:05 AM

There is no answer to your query.

 

Bobby



#3 fallah

fallah

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Posted 04 June 2021 - 12:59 PM

 

I have come across this manual depressurization line  in an equipment even though there are 2 BDV provided to blowdown the equipment.

 

Can anyone clarify the requirement of a manual depressurization line?. When will it is required to add another depressurization line when you have BDV?

 

Hi,

 

In a depressurization system, the BDVs will be activated by remote and manual push button...



#4 zamakaze

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Posted 04 July 2021 - 03:16 AM

manual maintenance ... shutdown..BDV out of service...etc

 

manual depressurization ...

 

As said by Fallah  BDVs will be activated by remote and manual push button

 

i have always seen bypass around BDV with globe valve ussually






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