lid for a beverage barrel, barrel, method for controlling the pressurization of a beverage barrel, and method for improving the safety of beverage pressure withdrawal from a barrel

摘要

a closure (10) for use with a beverage keg (20) is disclosed. the closure (10) comprises an inlet, a barrier (1) and a housing (2) that defines a venting hole (11). the barrier (1) seals the venting hole (11). the closure (10) comprises an unvented configuration in which a keg to which the closure is fitted can be pressurized. the closure (10) also comprises a vented configuration in which the barrier (1) is unsealed from the venting hole (11) to allow depression of the keg (20).