US PATENT SUBCLASS 251 / 205
WITH SELECTIVE FLOW REGULATION

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

205WITH SELECTIVE FLOW REGULATION {2}
206  DF  .~> Different sized bores in valve head {1}
208  DF  .~> Rotary {1}

DEFINITION

Classification: 251/205

(under the class definition) Devices which include flow controllers provided with means for micro-adjustment of the flow selectively between minimum and maximum extremes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

122, for selective controllers in series, one of which is a valve.

SEE OR SEARCH CLASS

137, Fluid Handling,

625.3, for valves which vary the flow through plural paths simultaneously.