US PATENT SUBCLASS 137 / 291
.~ Valve actuator outside riser


Current as of: June, 1999
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137 /   HD   FLUID HANDLING

272  DF  HYDRANT TYPE {15}
291.~ Valve actuator outside riser {2}
292  DF  .~.~> Lever actuator
293  DF  .~.~> With casing, flush with ground or pavement surface


DEFINITION

Classification: 137/291

(under subclass 272) Apparatus in which the extended valve actuator does not extend longitudinally through the flow path or riser, but is located entirely outside the riser.

(1) Note. The valve may have a spindle or stem which serves as a mounting for the valve disk or plug and extends through the top of the valve body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

364+, for valve and meter wells which house an actuator for an underground valve which has no vertical flow path.