RLP - Reverse Acting Disks


RLP reverse acting rupture disk (burst disk) covers most rupture disc applications. Designed to be used on the RLPI Holder


  • Designed for Non-fragmentation
  • Operating ratios up to 95% of the low end of burst tolerance
  • Disk design offers high cycle life
  • Suitable for liquid, gas, or two-phase applications
  • Standard manufacturing design range and total tolerance ensures marked rating on disk tag does not exceed the MAWP of equipment
  • Withstands full vacuum
  • Wide range of standard and exotic materials available
  • Sizes from 1” (25mm) through 12” (300mm)
  • Burst ratings from 2 psig (0.14 barg) to 40 psig (2.76 barg)
  • Unique alignment pin design ensures proper disk orientation into RLP-I Series disk holder
  • 3-dimensional stainless steel tag permanently attached and engraved with complete disk specifications
  • ASME UD, CE (PED), and TÜV compliance available


Sizes: 1″ – 12″ (25 mm – 300 mm)
Burst Pressure Range: 2 psig – 40 psig (0.14 barg – 2.76 barg)
Standard Operating Ratio: Operating ratios up to 95% of the low end of burst pressure
Vacuum Support Required: No