PMarinshaw
Mechanical
- Jun 19, 2002
- 47
I have a vessel with ASME U stamp, and a 15 psig MAWP rating. It is protected by a PSV set at 15 psig. Can I use a rupture disc below the PSV (for corrosion isolation purposes), with a burst pressure of 14 psig (which meets the ASME UG-131 pressure setting criteria), but does not have a UD flow coefficient certification?