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Class Information
Number: 137/289
Name: Fluid handling > Hydrant type > Balanced valve
Description: Apparatus in which the valve is balanced, i.e., has opposed surfaces of equal or nearly equal area exposed to the line fluid pressure.

Patents under this class:

Patent Number Title Of Patent Date Issued
6427716 Positive displacement hydrant with water discharge path from reservoir Aug. 6, 2002
5138756 Method of converting backhoe controls Aug. 18, 1992

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