RDI - Burst Sensors & Indicators


The Rupture Disk (bursting disc) Indicator or RDI Series is a simple and effective means of indicating when the process media ruptures a disk or opens a safety relief valve.


  • One time use, LOW COST
  • Compatible with Metal or Graphite Rupture Disks or for stand alone use (relief valve applications)
  • Resistant to most chemicals
  • Minimizes downtime due to immediate burst indication
  • Supplied ready for installation
  • Installs easily into existing pipe systems
  • Furnished with attached 6 foot PTFE sheathed lead wire (cable)
  • No routine maintenance required
  • Installs on outlet side of rupture disk or rupture disk holder isolating the RDI from the process media


Sizes: 1″ – 24″ (25 mm – 600 mm)
Burst Pressure Range: 1 psig – 5 psig (0.07 barg – 0.34 barg)
Gaskets: Compressed fiber
Membrane: Kapton®
Conductive material: Silver
Leadwire: foot, 24 AWG, 2 conductor PTFE sheathed leadwire (cable)

RDI Specifications


 RDI Datasheet