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Class Information
Number: 137/243.3
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Cleaning or steam sterilizing > Mechanical cleaning > Valve grinding motion of valve on seat > Lost motion permits grinding
Description: Devices provided with lost motion which permits the valve to rotate on its seat before it leaves the seat upon opening.

Patents under this class:

Patent Number Title Of Patent Date Issued
7921870 Slurry valve clutch mechanism Apr. 12, 2011
4237920 Spring loaded plug valve Dec. 9, 1980

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