ZOOK – Reverse Acting Disks RAX Series

- Solid metal cross-scored disk designed for Non-fragmentation
- Standard operating ratio of 90% of the marked rating on disk tag. May be extended to 95% of the minimum burst pressure. (Contact ZOOK for operating ratio on pressures below 40 psig)
- Disk designs offer high cycle life (when compared to forward-acting design disks)
- Certified for gas service only
- Standard manufacturing ranges of 0%, -5%, and -10% ensures marked
rating on disk tag does not exceed the MAWP of equipment - Wide range of standard and exotic materials available
- Sizes from 1″ (25mm) through 12″ (300mm)
- Burst ratings from 27 psi (1.86 barg) to 1000 psig (68.97 barg)
- Withstands full vacuum without vacuum support
- 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
