A separating device for separating liquid from gas, in particular air , having a housing featuring - a connecting means with which the separating device can be connected separably to a connecting head of a machine using a rotary and/or plug-in movement with respect to an imaginary connecting axis , - at least one gas inlet for the gas to be cleaned from liquid , - at least one gas outlet for the gas cleaned from liquid , said gas outlet circumferentially surrounding the connecting axis , - and at least one liquid drain for separated liquid , - wherein at least one separating medium through which the gas can flow is disposed in the housing , said separating medium separating the at least one gas inlet from the at least one gas outlet with respect to the gas flow, - wherein the at least one gas outlet and the at least one liquid drain exit the housing on the side on which the connecting means is disposed, - wherein the at least one liquid drain exits a liquid collecting chamber disposed on a clean gas side of the separating medium and circumferentially surrounding the connecting axis and the at least one gas outlet , - wherein a pipe section leads to the at least one gas outlet in the housing interior space of the housing , said pipe section circumferentially surrounding the connecting axis and at least partially forming a radial inner delimitation of the liquid collecting chamber , characterized in that the pipe section is functionally separated from mechanical force-transmitting connecting elements of the connecting means , wherein the pipe section is realized separately from the actual connecting means with respect to a mechanical force transmission, wherein the pipe section extends exclusively in the housing interior space of the housing , wherein the at least one gas outlet is designed as a connection receptacle for a connecting piece , wherein the connecting piece is on the side of the connecting head , wherein the connecting piece is or can be connected to the connecting head in a fixed or separable manner. - a connecting means with which the separating device can be connected separably to a connecting head of a machine using a rotary and/or plug-in movement with respect to an imaginary connecting axis , - at least one gas inlet for the gas to be cleaned from liquid , - at least one gas outlet for the gas cleaned from liquid , said gas outlet circumferentially surrounding the connecting axis , - and at least one liquid drain for separated liquid , - wherein at least one separating medium through which the gas can flow is disposed in the housing , said separating medium separating the at least one gas inlet from the at least one gas outlet with respect to the gas flow, - wherein the at least one gas outlet and the at least one liquid drain exit the housing on the side on which the connecting means is disposed, - wherein the at least one liquid drain exits a liquid collecting chamber disposed on a clean gas side of the separating medium and circumferentially surrounding the connecting axis and the at least one gas outlet , - wherein a pipe section leads to the at least one gas outlet in the housing interior space of the housing , said pipe section circumferentially surrounding the connecting axis and at least partially forming a radial inner delimitation of the liquid collecting chamber , <EOS>