No. Once activated, the diaphragm loses its structural integrity and its burst parameters change. Any attempt to recondition it jeopardizes system safety and violates ASME UG-134(c). Discs must be discarded in accordance with metal or hazardous waste policies (if they have been in contact with toxic products) and replaced with new units from the same lot or an equivalent specification.
Complete guide: Maintenance and replacement interval of rupture discs