PROCESS VALVE HAVING A FLEXIBLE SEALING EDGE
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United States of America Patent
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N/A
Issued Date -
Apr 19, 2012
app pub date -
May 4, 2011
filing date -
May 7, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Process valve for controlling and shutting off a fluid stream comprising a valve seat (10, 30) for receiving a movable valve body (14, 32) in a through hole (12, 36), the valve seat (10, 30) and the valve body (14, 32) are adapted to be pressed into and onto a sealing edge (18, 38) in order to prevent a fluid stream through the process valve. A circumferential groove (20, 36) resides in the valve seat and a flexible sealing lip (26, 44) is formed between the groove (20, 36) and the sealing edge (18, 38). The geometry of the groove (20, 36) is formed such that the side surface (22, 40) closer the sealing edge (18, 38) of the groove (20, 36) is arranged such that the size of the sealing lip (26, 44) increases with increasing depth of the groove (20, 36).
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