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Class Information
Number: 137/401
Name: Fluid handling > Liquid level responsive or maintaining systems > With supplemental or safety closing means or bias > Sinking or bucket type float
Description: Apparatus in which the means sensing the liquid level is an open or bucket type float which floats to urge the valve closed, and in the event that the valve controlled thereby does not properly close the continued rise of liquid level will cause the float to fill with liquid and sink in the liquid to apply the supplemental safety closing bias or means.

Patents under this class:

Patent Number Title Of Patent Date Issued
4458714 Flow regulating device Jul. 10, 1984
4149557 Inverted bucket steam trap Apr. 17, 1979

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