As it pertains to safety valves, what is the definition of blow down?
Blow down is the feature of a valve that allows drainage of condensate away from the disc to prevent sticking.
Blow down is the difference between the maximum allowable working pressure and the valve popping pressure.
Blow down is the difference between the valve popping pressure and the valve reseating pressure.
Blow down is the difference between the maximum allowable working pressure and the valve reseating pressure.
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