The rupture disks designed for extrusion applications of reliable emergency relief of excess pressure since they instantaneously rupture at a specific predetermined pressure range.


  • Standard burst pressure range
  • Simple, intrinsically safe design
  • Protection over wide pressure range
  • Accuracy of +/-5%
  • Up to 400℃ (750℉) melt temperatures


  • Chemical Fribre equipment
  • Plastic & rubber process machine
  • Other melt fluid process control

Basic specification:

Ranges3500psi, 5500psi, 7500psi, 9500psi
Combined error±5%FS
Diaphragm temperature400℃(750℉) Maximum
Stem length1.81″, 3″,6″, 9″
Process connection1/2″-20UNF, M18×1.5, G3/4 or customized