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The Pk Posi-Loc positively mechanically locks a butterfly valve disc in the closed position.


  • Positive Lock:
  • Allows personnel to enter pipeline for maintenance (customer to verify with local code authorities)
  • Reduces plant downtime for maintenance procedures
  • Stainless Steel Wetted Parts:
  • Long term reliability, does not corrode
  • Externally engaged:
  • Do not have to enter pipeline to engage