A manual switch operated vent fittings guarantee immediate isolation of the air line by venting the system to atmosphere by a simple manual operation of the lever.

Easy to operate, it can be used whenever the system has to be frequently vented. Completely orientable, a number of valves can be mounted side by side, even in reduced spaces. The sub-base seal and push-in connection outlet allow immediate installation. These fittings may preferably be mounted on a single-acting cylinder or directly onto a manifold and allow the air supply to be shut-off and vented downstream.