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Fisher
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585CLS Long Stroke Piston Actuator
Contents
Introduction
1
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Scope of Manual
1
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Description
1
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Specifications
2
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Educational Services
2
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Principle of Operation
2
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Installation
4
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Bypass Assembly
5
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Three-Way Valve Applications Note
6
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Actuator Mounting
6
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Handwheels
6
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Maintenance
7
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Non-Handwheel Construction
7
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Handwheel Construction
8
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Stem Connection Procedure
9
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Parts Ordering
9
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Parts List
10
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Figure 1. Fisher 585CLS Piston Actuator
W2795-1
Introduction
Scope of Manual
This instruction manual provides information on installation, maintenance, and parts ordering for the Fisher 585CLS
Long Stroke piston actuator. Refer to separate instruction manuals for information about other equipment and
accessories used with these actuators.
Do not install, operate, or maintain a 585CLS actuator without being fully trained and qualified in valve, actuator, and
accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important 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
585CLS piston actuators are available with travel capabilities exceeding 203 mm (8 inches) up through 610 mm (24
inches). This actuator is available with a manual handwheel, which can be used to open, close, or position the valve.
The manual handwheel may also be used as a stop to limit the upward travel of the valve plug.
The 585CLS actuator typically is equipped with either a FIELDVUE™ DVC6200 digital valve controller or 3600
positioner for throttling service. For on-off service, the actuator cylinder is loaded and unloaded through the operation
of a solenoid valve, pneumatic switch, or similar equipment.
Instruction Manual
D103793X012
585CLS Actuator
October 2013
