Process Equipment and Plant Design
A 'rupture disc' is provided in chemical equipments as an accessory meant for

Creating turbulence
Enhancing mixing rate
Relieving excess pressure
Avoiding vortex formation

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Process Equipment and Plant Design
Weep holes provided in the plates of a distillation column

All of these
Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation
Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid
Facilitate draining out liquid from a tray when the unit is not in operation

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