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SRA - Reverse Acting Disks

The SRA reverse acting rupture disk (bursting disc) covers the majority of rupture disk (bursting disc) applications. Designed to be used in the SR7A Holder

Sizes 1″ – 12″ (25 mm – 300 mm)
Burst Pressure Range 27 psig – 1480 psig (1.86 barg – 102.04 barg)
Operating Ratio Operating ratio up to 95% of the low end of burst tolerance
Vacuum Support Required No
  • Designed for Non-fragmentation
  • Operating ratios up to 95% of the low end of burst tolerance
  • Disk design offers high cycle life
  • Suitable for gas service only
  • Standard manufacturing design range and total tolerance ensures marked rating on disk tag does not exceed the MAWP of equipment
  • Withstands full vacuum without vacuum support
  • Wide range of standard and exotic materials available
  • Withstands back pressure up to the positive set pressure of the disk
  • Sizes from 1” (25mm) through 12” (300mm)
  • Burst ratings from 27 psig (1.86 barg) to 1480 psig (102.04 barg)
  • Resists product build-up. The smooth convex side of the disk is exposed to the process media
  • Unique alignment pins design ensures proper disk orientation into SR7A Series disk holder
  • 3-dimensional stainless steel tag permanently engraved with complete disk specifications
  • ASME UD, CE (PED), and TÃœV compliance available
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