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Integral bypass valve

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engmat2007

Mechanical
Joined
Sep 19, 2007
Messages
3
Location
CA
Hello,

We specified in one of our specifications that gate valves (2" to 24") in steam service shall have an external 3 valve bonnet relief/equalization system. We got a suggesting to use an external 2 bonnet relief/equalization system instead of 3. Which configuration is best?, which configuration is more commonly used in the oil & gas industry?, what do you think?.

Thanks!

engmat2007
 
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