ZOOK – Graphite Disk FS-Inverted Type


  1. Non-stick surface conforms to FDA regulations
  2. Resists product build-up – only the coated flat surface of the disk is exposed to the process medium
  3. Durable coating offers exceptional corrosion resistance
  4. Sizes 19 thru 249 diameters
  5. Designed to fit ASME B16.5 Class 150 and 300 flanges
  6. Burst ratings from 1.00 to 1,000 psi
  7. 0% manufacturing range is standard
  8. Operating pressures to 90% of the disk’s marked burst pressure
  9. Extended temperature range: –290°F to +500°F (–179°C to +260°C)
  10. Vacuum support not required for disks with burst pressures of 25 psig and above (Use FS-V Inverted Type for vacuum service per Bulletin no. 6600)
  11. ASME UD marking available – Certified flow resistance factor (Krgl) = 0.64