T-21467 Vacuum Valve Seat for Olson Transport Vent Assembly

T-21467 Vacuum Valve Seat is an essential component of the Olson Transport Vent Assembly. By releasing pressure directly to the atmosphere, overpressure is evacuated and the pressure inside and outside the tank are balanced. An improve, complete closure helps reduce evaporation of the tank contents and allows the venting and filtering system to regulate temperatures as well as minimize pressure.