Buckling Pin Relief Valve / MOP. 95%, 0.07 ~ 138 Bar , 1” ~ 60”

Type : Buckling Pin
Max. Operating Pressure : 95 %
Temperature : – 40 to 260 C
Size : 1” ~ 60”
Connection : Wafer ANSI 150
Body : CS, SS 316, Hastelloy, Monel
Seat : PTFE

Unlike Rupture Disc, BS&B BPRV / Buckling Pin Relief Valve is Resettable like Relief Valve. It offers short down time.
http://www.bsbsystems.com/Buckling_Pin_Relief_Valves/BPRV_buckling_pin_relief_valve.html