Standard Features

  • Size range: 8” to 20”
  • ANSI Class 2500
  • Trunnion mounted
  • Double barrier stem seals
  • Stem separate from the ball
  • Anti-blow-out stem design
  • Low friction metal-backed self lubricating PTFE sleeve bearings and thrust washers
  • Primary metal-to-metal seal and protected secondary O-ring seal
  • Double-piston-effect seat rings (double sealing barrier in both directions)
  • Double-block-and-bleed pressure relief valve inΒ body cavity to prevent pressure lock
  • Explosive decompression resistant seals
  • Sealant injection system for emergency seat sealing
  • Factory positioned external stops
  • Integral stop in adapter plate for a permanent reference to open and closed positions
  • Electroless nickel coating on pressure-controlling parts and stem
  • CE marking (PED Directive)

Optional Features

  • Triple barrier stem seals
  • Stem emergency grease fitting
  • Self-relieving seat rings
  • Plastic polymer insert for seat sealing
  • PTFE spring energized lip seals for seat and stem sealing
  • Metal-to-metal seat sealing
  • SS or Inconel 625 overlay on sealing areas
  • Anti-static device
  • Fire safe in accordance with API 607

Author ITT

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