Pipe switch for plants for pneumatically conveying bulk material
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United States of America Patent
Stats
-
Aug 28, 1990
Grant Date -
N/A
app pub date -
May 17, 1989
filing date -
May 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pipe switch for plants for pneumatically conveying of bulk material includes a housing with three ports and having a rotatable cock for selectively connecting one port with the second or third port. The cock is provided with two pipe sections which define two flow paths and are connected at their ends via suitable ring segments. One of the ring segments is of sufficient dimension to sealingly bar the one port which is not in communication with the first port when the cock is in the respective end position. A journal connects the pipe sections at a central location thereof and is rotatably supported in side cover plates of the housing for allowing a rotation of the cock between the two end positions.
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