The invention relates to a device for connecting a valve housing (2; 2.1; 2.2; 2.3; 2.4) to an actuator (3) in a process valve acting as a lift valve (1; 1.1; 1.2; 1.3; 1.4). The aim of the invention is to design a device for connecting a valve housing to an actuator in a process valve of the type in question that acts as a lift valve, is shorter and less expensive than all known devices of said type, is as safe as possible when opening, and has a very simple design. Said aim is achieved by mounting the lantern-type housing (3.1) on the valve housing (2; 2.1; 2.2; 2.3, 2.4) by means of a bayonet joint (2f, 2g/3.1d, 3.1e) or a bayonet-type joint.
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