ZOOK – Graphite Disk Duplex Type


  1. Disks extend corrosion resistance by utilizing a liner on the flat surface of the disk that contacts the process media
  2. Disks are capable of resisting virtually any corrosive except elemental free fluorine
  3. Sizes 1/2!” thru 24″ diameters
  4. Designed to fit ASME B16.5 Class 150 and 300 flanges
  5. Burst ratings 0.50 to 1000 psig or higher
  6. 0% manufacturing range
  7. Operating pressures to 90% of the disk’s marked burst pressure
  8. Temperature ratings –290°F to +700°F (–179°C to +371°C) Maximum temperature rating without insulation is 430°F (221°C) or 700°F (371°C) with insulation.
  9. External type vacuum supports are available for vacuum service (Contact ZOOK when vacuum is present)
  10. ASME B16.5 Class 300 disks are armored
  11. ASME UD marking available