Type : Forward Acting
Application : Steam, Gas, Liquids
Set Burst Pressure : Nickle : 14.1 ~ 70.3 Bar @ 399 C
Set Burst Pressure : Silver : 9.1 ~ 70.3 Bar @ 121 C
Max. Operating Pressure : 90 %
Manufacturing Range : 0%, 5%, 10%
Size : 1/4", 3/4"
BS&B Disk 22 / STA-KUL series B or BV Disc is designed for Gas Cylinder protection.
http://www.bsbsystems.com/Rupture_Disks/Forward_Acting_Disks/custom_rupture_disk_assemblies.html