Tufline Sleeved Plug Valves

The PTFE wedge ring concentrates the sealing force of the PTFE diaphragm radially against the valve stem for more reliable prevention of external leakage at this secondary seal. API-607 Standards. Like the fire tested valve, the Tufline Tertiary Top Seal Sleeved Plug valve also exceeds API-607 - Fourth Edition - Section 4.2 - Specifications

  Ptfe, Wedge, Ptfe wedge