You have to tell them what you want. Yes, they will tell you what information you need to supply to them but they WILL NOT do the calculations for you. The information they need is bursting pressure, coincident bursting temperature, maximum operating pressure and coincident temperature, size, ...
Fig. 5. The reverse buckling type rupture disc (the dome points towards the fluid under pressure) is similar to the one installed on the incident storage tank. Proper flow direction of pressure release is marked on the nameplate. (Photo courtesy of Fike Corporation.) Fig. 6 shows the symbo...