ZOOK – Reverse Acting Disks SRA Series

- Non-fragmenting design solid metal cross-scored disk
- Operating pressures to 90% of the disk’s marked burst pressure
- Suitable for gas service only
- Disk is scored on the vent side to minimize the effect of product build up on the process side
- Burst ratings 20 to 1000 psig
- Sizes 19 thru 249
- Temperature ratings to 900°F (482°C)
- Materials of construction: 316SS, Inconel, Monel, Nickel, or Aluminum
- 3-dimensional stainless steel tag is standard
- No Vacuum Support required
- Extended cycle life: withstands positive-to-negative cycling
- ASME UD marking available
- Use alone or combine with relief valves
- Unique notches in disk O.D. ensures proper mounting into SR7A Disk Holder
