URA - Reverse Acting Disks
URA
URA reverse acting rupture disk (burst disk) covers most rupture disc applications. Designed to be used on the URAI Holder
Features
- 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
- ASME UD, CE (PED), and TÜV compliance available
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
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