Patent ID: 8658040

Claim:
A modular valve system (MVS), consisting of a master board, on which at least one valve, consisting of a valve housing and a control housing is installed, the control housing having an internal pneumatic space which is divided into a lower control space and an upper control space by a piston having a seal and the lower control space being separated from the valve housing by a closing plate and additional seals, an extended valve spindle being present on the piston, which runs through the valve housing to the seal seat in the area of the master board, the valve housing and the control housing are fixed to one another using a centering plate with seals, the valve housing having a second fixing, the seal seat with associated seals is positioned on the master board such that by means of a supply channel having a lateral transverse channel in the master board a channel connection is provided by the seal seat in the product space of the valve housing, where from the product space in turn a discharge channel for the product discharge is present, by which with the supply channel together a flow channel is formed, furthermore, the valve spindle is bilaterally extended to the piston such that on the one hand the valve spindle reaches through the upper control space to outside the control housing and on the other hand the valve spindle is extended through the valve housing into the seal seat, the valve spindle having a sealing contour to the valve seat and completely closing in the closed position the extended transverse channel and preventing the product flow.