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RA8Reverse Acting Disks

The RA8 reverse acting rupture disks (bursting disks) are designed to cover the majority of high pressure rupture disk (bursting disk) applications and are designed to be used in the RAH Pre-Torque holder.

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ASME UD, CE (PED), and TÜV compliance available

  • Features
  • Specifications
  • Installation
  • Datasheets & Brochures
  • 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 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” (25 mm) through 12” (300 mm)
  • Burst ratings from 26 psig (1.79 barg) to 1000 psig (68.97 barg)
  • Resists product build-up. The smooth convex side of the disk is exposed to the process media
  • Damage ratio of 1.0 or less
  • Unique alignment pin design ensures proper disk orientation into RAH Series disk holder
  • 3-dimensional stainless steel tag permanently engraved with complete disk specifications

Sizes: 1″ – 12″ (25 mm – 300 mm)
Burst Pressure Range: 26 psig – 1000 psig (1.79 barg – 68.97 barg)
Operating Ratio: Operating ratio up to 95% of the low end of burst tolerance
Vacuum Support Required: No

RA8 Installation Guide

RA8 DataSheet
RA Series Brochure
RAH DataSheet

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