Pressure regulating valve with secondary venting measures

A pressure regulating valve having secondary venting measures, comprising a primary duct subject to a primary pressure, a secondary duct rendering possible tapping of a regulated secondary pressure and a movable control member serving for control of a fluid flow between the primary and the secondary duct, movement of said control member being influenced by a moving setting member able to be subjected to an adjustable presetting force, said setting member being constituted by a movable wall section of a comparison chamber communicating with the secondary duct and said setting member furthermore having a venting opening, also under the control of the control member and serving for venting the secondary duct, wherein the venting opening is so arranged that it is located on the setting member outside the comparison chamber either directly in the secondary duct or in a region in communication with the secondary duct, and wherein the control member has a terminal section associated with the venting opening, said terminal section being guided within the secondary duct by a guide means secured to the housing, said guide means comprising a guide, insert anchored in a housing wall dividing the comparison chamber and the secondary duct from one another and extending into the secondary duct.