Bourbon-103
API says that if the design pressure of the shell side times 1.3 is more than the design pressure of the tube side you do not need protection on the shell side.
please note that the miltiplier is not 1.5. The shell side conforms to the rules of a pressure vessel not a pipe.
In...
a rotary pump is used to inject high pressure methanol into a production well. the designer has considered a PSV for blocked outlet on the discharge line and also a bypass line line which can bypass the discharge to a low pressure line. this bypass line is equipped with a PV connected to a...