BT-ODV(U)-F(L), BT-VSI Low Pressure Bursting Disc

BT-ODV(U)-F(L), BT-VSI Low Pressure Bursting Disc


  • protection against excessive pressure rise.



  • resistant to working pressure fluctuations,
  • maintenance-free,
  • robust design, not susceptible to damage during installation,
  • DN: 25-1400, NPS: 1/4”-56”,
  • versions BT-ODV-F, BT-ODV-FL:
    • intended for low bursting pressures (up to 1 bar g),
    • resistant to pre-set working vacuum,
    • BT-ODV-F type is installed directly between regular flanges,
    • BT-ODV-FL type is mounted between angular frames and rings,
  • BT-ODU versions:
    • not resistant to vacuum,
  • BT-VSI versions:
    • intended for medium and high bursting pressures,
  • operating pressure of up to 70 % of bursting pressure.