You have a 45° latrolet in your relief subheader at 200 psig, relieving into a practically infinite volume at 15 psig, is the directionality of the relief force at the latrolet connection:

a) Normal to the larger pipe
b) Axial to the smaller pipe
c) Approximately 22.5° out of axial of the smaller pipe, slanted towards the larger pipe
d) other

Would you like to explain your position?