Valve of cut for cutting a mass of type folder and method for cutting a dough like paste relates to this invention a shutoff valve (5) for cutting a mass of type folder, which comprises a piston switch (k) which is actionable in a switching chamber (P 39 ) with an entry (20, 3) for the entry and comprises a cutting edge (13).During the break, is movable to scan the input, the piston switch (k) is actionable in the process of switching to perform a helical movement with the components of the movements of transu00edau00e7u00e3o and simultaneous rotation (T, K), so that the cutting edge (13) executes a cut Of traction on the cord mass.
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