Triple Offset Segment Valve - Metal Sealing with Zero Leakage

  • Fire safe: Certified to BS EN ISO 10497, API 607 4th edition BS6755 Part 2 and API 6FA
  • Sizes: 2” (50mm) to 84” (2100mm)
  • Body styles: Wafer Flangeless, Wafer Lugged, Double Flanged (short and long patterns)
  • Stem: Internal Anti-blowout stem is standard. External to API 609 optional
  • Geometry: Triple Offset, proven non-rubbing motion with 90° rotation
  • Pressure ratings: ANSI 150# through 2500#


Standard TOSV design features include zero leakage with bi-directional shut off to API 598, a field replaceable seat and seal ring for reduced maintenance costs, non-galling design to enable a wide variety of material options, with options for live loaded packing and arduous duty bearing protectors.

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