| 摘要 |
A blow valve of a blow-molding machine for containers, having a valve seat which is arranged in a valve chamber between an inflow channel mouth and an outflow channel mouth and has assigned thereto a valve piston which is shiftable linearly between a shut-off position and a lifted open position and which with a piston extension carrying a closing surface passes sealingly shiftably through a bore of a wall defining the valve chamber, wherein a flow path which extends through the valve chamber between the mouths is shut off in the shut-off position and released in the open position, at least one guide surface which is generally inclined relative to the shifting direction of the valve piston is provided for the lateral forced deflection of the flow on the wall and/or on the piston extension.
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