Machine for expanding plastic containers with shut-off valve between pressure generating device and filling device

A machine for expanding plastic parisons into plastic containers by a liquid medium, having at least one transforming station, which fills and expands the plastic parisons with the liquid medium with at least one pressure generating device, which is configured to deliver the liquid medium to at least one filling device, which fills the plastic parisons with the liquid medium, wherein the pressure generating device has a pressure output which at least intermittently can be fluidically connected to the plastic parison to be filled, wherein at least one shut-off device is installed in at least one connection channel, between the pressure generating device and the filling device inside which the liquid medium is conveyed, wherein the shut-off device is configured and provided in order that a fluid path inside the connection channel can be at least partially interrupted.