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S Tubing Retrievable Safety Valve

The S type tubing retrievable safety valve is a single rod-piston non-elastomer flapper valve designed for where ultimate reliability is required. The piston achieves a metal-to-metal seal at its uppermost and lowermost positions to seal well pressure from the control system. The spherical radius flapper design provides full metal-to-metal sealing integrity.

Features and Benefits

  Non-elastomer dynamic piston seals

  Metal-to-metal static seal at upper and lower piston positions

  Clean-out ports in flow tube’s upper end

  Flow tube shock absorber

  Positive debris barrier at both ends of flow tube in full-open position

  Metal-to-metal face seat at flow tube downstop


  Gas Well

  HTHP Well

  Deep Set Application

  Hostile Environments

Technical Data


  Other profile and size available upon request

  Depend upon material and pressure rating

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Tel: +86 139 2462 6365

Email:  george.chang@petrostartools.com

Add: 1300 Post Oak Blvd Suite 770,Houston, TX 77056 USA

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