Seal stacks
Standard Seal Stacks
made up of nitrile chevron seals and steel spacer rings.
Bonded Seal Stack
Two nitrile or Viton seals are bonded to each metal insert. These inserts are separated by steel spacers. Bonded seals should be used when seals cannot be prevented from moving out of the seal-bore while holding differential pressure.
RYTE Seal Stack
V- RYTE Seal Stack–Made up of Viton chevron seals with Teflon and Ryton backup rings, Ryton front-up rings and steel separators. A- RYTE Seal Stack–Made up of Aflas chevron seals with Teflon and Ryton backup rings, Ryton front-up rings and steel separators. Should remain in seal-bore during service. K- RYTE Seal Stack–Made up of KALREZ elastomer chevron seals with Teflon and Ryton backup rings, Ryton front-up rings and steel separators.
Debris Barrier Stack
Made up of Teflon and Ryton backup rings and Ryton front-up rings and steel separators. Used as a wiper to prevent debris from damaging seal stacks when seals are moved after being placed in service.