Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1980-04-14
1983-01-11
Walton, George L.
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
51241VS, 137330, 251327, 251328, F16K 2900
Patent
active
043677665
ABSTRACT:
A slide valve with a slightly wedge-formed valve member arranged to close a flow duct by a cross-wise movement relative to the duct. There are annular sealing surfaces surrounding the flow duct and they are engageable by sealing side portions of the valve member for closing the valve. The sealing side portions of the valve member are considerably narrower than the annular sealing surfaces of the flow duct and are, in the closing position of the valve, located at a relatively great distance from the inner edge of the annular sealing surfaces. The sealing side portions of the valve member are of a softer material than the annular sealing surfaces, and hence, are subject to a repeated grinding against the annular sealing surfaces, when operating the valve. The sealing side portions of the valve member may be located each to a separate slide unit journalled in a body portion of the valve member. The slide units are in that case arranged to be slightly rotated by the opening movement of the valve.
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Oy Wartsila Ab
Walton George L.
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