Instruction Manual
D102087X012
585C Actuator
October 2013
2
to carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If
you have any questions about these instructions, contact your Emerson Process Management sales office before
proceeding.
Description
585C pneumatic piston actuators ( figure 1) provide accurate throttling or on-off control of sliding-stem valves. The
585C actuator uses a double-acting cylinder, which requires air pressure for operation.
Size 25 and 50 actuators are available as a springless construction or with a bias spring. Depending on configuration,
the bias spring will retract or extend the piston rod upon loss of cylinder air pressure. Size 60 through 130 actuators are
available as springless constructions only.
585C actuators are typically supplied with a DVC6200 digital valve controller, or a 3600 P/P or I/P analog positioner.
The 585C actuator is available with a top-mounted or side-mounted manual handwheel, depending on actuator size.
Specifications
Specifications for the 585C piston actuators are given in table 1. Some individual actuators come from the factory with
specifications stamped on a nameplate attached to the yoke.
Educational Services
For information on available courses for Fisher 585C Seriespistonactuators,aswellasavarietyofotherproducts,
contact:
Emerson Process Management
Educational Services, Registration
P.O. Box 190; 301 S. 1
st
Ave.
Marshalltown, IA 50158-2823
Phone: 800-338-8158 or
Phone: 641-754-3771
FAX: 641-754-3431
e-mail: education@emerson.com
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