US PATENT SUBCLASS 251 / 60
.~ With adjustable limit stop for actuator

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

12  DF  FLUID ACTUATED OR RETARDED {12}
60.~ With adjustable limit stop for actuator

DEFINITION

Classification: 251/60

(under subclass 12) Subject matter wherein the actuator is provided with an adjustable stop to limit the actuator travel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

42, for adjustable limit stops for valves having choked pressure type servo-motor actuators.

89+, for valve actuators having means to hold the actuator in a desired position or prevent its use.

284+, for valves with nonfluid actuators provided with limit stops, and see the search notes thereto.