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Gear Operated Valve Requirement For Fire Water Network

valve type fire water

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#1 chem2013

chem2013

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Posted 08 October 2014 - 07:25 AM

Hi Everyone,

 

Fire water system in refinery normally has large pipe lize (more than 20"). For any bigger size valve installed in the fire water network , do we need to have these valves gear operated for facilitating operation or anybody could operate a fire valve manually without requirement of having gear.

 

Please advise.

 

Also, OS&Y is specified for all fire valves . Apart from gate valve are there any other valve of this category (OS&Y)? Please advise.

 

Regards.






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