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Class Information
Number: 137/243.1
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 > Concentric stem
Description: Devices in which the actuator is made up of an axial rod mounted within a sleeve.

Patents under this class:

Patent Number Title Of Patent Date Issued
7921870 Slurry valve clutch mechanism Apr. 12, 2011
4627461 Self cleaning valve Dec. 9, 1986

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