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Class Information
Number: 137/243.5
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 > Nut releasable from body and/or stem
Description: Devices comprising screw actuated valves in which the nut is disconnected from the body or the stem, or both, to permit the valve head to rotate without reciprocating.

Patents under this class:

Patent Number Title Of Patent Date Issued

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