US PATENT SUBCLASS 251 / 129.07
.~ Balanced valve

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

129.01  DF  ELECTRICALLY ACTUATED VALVE {11}
129.07.~ Balanced valve

DEFINITION

Classification: 251/129.07

Balanced valve:

(under subclass 129.01) Subject matter which includes means for equalizing pressures acting on the valve or valve actuator whereby minimal electrical energy is required to move the valve to a desired position.