Flow path module and chromatograph equipped with the flow path module

The channel module is composed of the channel plate and the flow path connection block and pressing mechanism. Channel plate has a protrusion protruding to the circumferential direction from the peripheral edge of the flow path plate body and plate-shaped flow path plate body, the port communicating with the internal flow path is provided on the surface of the projecting portion. Passage connecting block includes a recess having a port facing surface that port facing the engagement protrusion fitting the projecting portion therein, the external passage connecting portion which is connected by a port facing surface and the flow path. Pressing mechanism presses the port surface facing the protruding portion is inserted into the recess as a flow path and the port for connecting the external passage connecting portion is connected hermetically or liquid-tight to one another and the port facing surfaces to each other It is configured to.