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URAReverse Acting Disks

URA reverse acting rupture disk (burst disk) covers most rupture disk applications. Designed to be used on the URAI 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 30” (750 mm)
  • Burst ratings from 12 psig (0.83 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
  • 3-dimensional stainless steel tag permanently engraved with complete disk specifications

Sizes: 1″ – 30″ (25 mm – 762 mm)
Burst Pressure Range: 12 psig – 1000 psig (0.83 barg – 68.97 barg)
Operating Ratio: Operating ratio up to 95% of the low end of burst pressure
Vacuum Support Required: No

URA Installation Guide

URA Series DataSheet (Disk and Holder)

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