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Class 251/17 - Interconnected motion


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter in which the manual and fluid actuated or
No. of patents: 1
Last issue date: 02/24/1987


NumberTitleIssue Date
4645174Mounting arrangement for a critical flow device
An axial flow valve has its cage bolt replaced by a sonic nozzle. This device may then be permanently installed in a pipeline in series with a meter to provide the facility for on site calibration of the meter....
02/24/1987
 
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