Vacuum in Rupture Disk Vacuum in Rupture Disk shiplu48 (Chemical) (OP) 28 Dec 16 18:08 Hello, What are the inlet and outlet vacuum condition in Rupture Disk? And how are they determined? Any information is highly appreciated. Many Thanks. Shiplu48 RE: Vacuum in Rupture Disk razookm (Chemical) 14 Jan 17 20:26 if the vessel connected to the rupture disk can experience vacuum, then this need to be specified in the rupture disk specification. Manufacturer will decide whether to provide vacuum support or design rupture disk accordingly.