A valve for a pressurized container is described. The valve housing has a central bore, a port in said housing to facilitate connection of a nozzle thereto, and a t-stem having a lower end with an opening. A two part poppit is positioned in the t-stem for sealing the valve. The has an elastomeric valve seat portion and a support portion for the valve seat. The support portion includes a shaft that is received in an opening of the lower end of the t-stem.
