SD - Series Sanitary Rupture Disks

SD Series Sanitary Rupture Disks (bursting discs) are an extension of ZOOK’s Graphite Rupture Disk (bursting disc) design. Applications include food processing, dairy, breweries, pharmaceutical, distilling, baking, canning, cosmetics, biotechnology, and petrochemical industries.
SD Series Sanitary Rupture Disks


  • Provides over-pressure protection in sanitary piping system
  • Ideal for high purity and corrosion service
  • Rugged design
  • TFE lined to resist product buildup
  • Full bore opening upon rupture
  • Nominal I.D. equals the fitting size
  • Self-Supporting under full vacuum at set pressures of 25 psig or higher
  • Excels in liquid, gas, or two-phase applications
  • 0% manufacturing range is standard
  • Standard operating ratio of 90% of the marked rating on the disk tag. Higher operating ration may be available upon request. (Contact ZOOK for operating ratio on pressures below 40 psig)
  • Installs using industry standard Tri-clamp®/Tri-clover® fittings (components stocked by ZOOK)
  • Standard gasket material: Black Buna-N
  • ASME UD, CE, and TUV compliance available