If installing a RD below relief valve, does the pressure setting have to be below the PSV, or just below the MAWP of the vessel being protected?
Or should it be slightly higher to prevent premature rupture and possible contamination/damage to PSV?
If installing the RD below the relief valve, does the pressure setting have to be below the PSV, or just below the MAWP of the vessel being protected?
Or should it be slightly higher to prevent premature rupture and possible contamination/damage to PSV?
Thanks!