Valve S62, Vacuum, PTFE-Plug, protected O-ring, 180°

With two sidearms sealed to the barrel at a 180° angle to one another.Viton® O-ring on PTFE shaft is protected with precision Teflon® wiper. The plug has a machined-in integral PTFE tip O-ring to make the primary seal. This design provides for an excellent vacuum tight seal without exposing any material other than Teflon® to chemicals.