Rupture Disk FRS series / Reverse Buckling, MOP. 90% 0.79 ~ 10 Bar, 1 ~ 2 Inch

Type : Reverse Buckling
Features : For Isolation, Non-Fragmented
Application : Steam, Gas, Liquids
Set Burst Pressure : 0.79 ~ 10 Bar
Max. Operating Pressure : 90 %
Manufacturing Range : 0%, 5%, 10%
Temperature : -196 ~ 593 C
Size : 1” ~ 2”
Materials : SS 316, Nickel, Monel, Inconel, Hastelloy

BS&B FRS series Reverse Buckling Rupture Disc features small size, low flow and ideal used to protect back pressure.
http://www.bsbsystems.com/Rupture_Disks/Reverse_Buckling_Disks/STA-SAF_reverse_buckling_disk_77-4001.html