SFAZ - Forward Acting Disk

The SFAZ rupture disks (bursting discs) are solid metal scored disk design. Designed to be used in the UHZ Holder.


  • Solid metal cross-scored disk designed for non-fragmentation
  • Operating ratios up to 90% of the low end of the burst tolerance
  • Excellent for liquid, gas or 2-phase flow
  • Scored after disk material is formed to a high crown height. Permits use of thicker material and allows lower burst ratings which withstand full vacuum
  • Temperature ratings to 1000°F (538°C)
  • Standard material of construction is Nickel. Optional materials 316SS, Inconel, Monel, Hastelloy C and Aluminum are available
  • 3-dimensional stainless steel tag engraved with complete disk specifications
  • ASME UD, CE and TUV compliance available