Which valve remains normally closed until the cracking pressure is reached?

A. Direct-operated relief valve
B. Finite positioning pressure reducing valve
C. Pilot-operated flow control valve



Answer :

Final answer:

A pilot-operated safety relief valve stays closed until the cracking pressure is reached.


Explanation:

A pilot-operated safety relief valve remains normally closed until the cracking pressure is reached. This type of valve utilizes a pilot system to keep it closed until the designated pressure threshold is attained, ensuring proper control over the flow of fluid or gas.


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