Slide valve construction

Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing

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Details

137244, F16K 330

Patent

active

045467889

ABSTRACT:
A slide valve comprises a valve housing which has a through passage therein with a curved bottom and a recess along the bottom in which is located a resilient seal member. The valve member includes a slide portion which is mounted for upward and downward reciprocal movement in the housing and a guideway formed on each side of the curved bottom. The housing also contains a flange member on each side of the slide plate which has at least one notched portion which defines a scraper edge. The valve plate has a lower stepped portion forming a bottom projecting surface, an upper surface spaced away from the bottom edge and an intermediate ledge surface between the bottom and upper surfaces. The upper surface is curved downwardly at each side toward the bottom surface to define a shearing edge on each side of the slide plate which is cooperable with the scraper edge to dislodge material out of the guideway and the space between the flanges and into the flow stream of the through passage of the valve.

REFERENCES:
patent: 2982295 (1961-05-01), Williams
patent: 2982513 (1961-05-01), Krummel
patent: 4356838 (1982-11-01), Morello

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