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RA4 - Reverse Acting Disk
Brand: ZOOKThe RA4 rupture disks (bursting disks) are designed to cover the majority of low pressure rupture disk (bursting disc) applications and are designed to be used in the RAH Pre-Torque holder.
Features- Operating ratios up to 95% of the low end of burst tolerance.
- Disk designs offer high cycle life (when compared to forward-acting design disks).
- Certified for liquid, gas, or two-phase applications.
- Standard manufacturing ranges of 0%, -5%, and -10% 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.
- Resists product build-up. The smooth convex side of the disk is exposed to the process media.
- Unique alignment pin design ensures proper disk orientation into RAH holder.
- 3-dimensional stainless steel tag permanently engraved with complete disk specifications.
- ASME UD, CE and TUV Compliance available.
- TFE liners are available to provide protection from corrosive media.
Specifications
Brand
Burst Pressure Range
- 2 psig - 40 psig (0.14 barg - 2.76 barg)
Sizes
- 1” to 12” (25 mm to 300 mm)
Standard Operating Range
- 95%
Vacuum Support Required
- No