Emerson Fisher 655R Instruction Manual

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Brand: Emerson

Category: Automobile Parts

Type: Instruction manual

Model: Emerson Fisher 655 , Emerson Fisher 655R

Pages: 16 (0.19 Mb)

Download Emerson Fisher 655 Instruction manual

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www.Fisher.com
D100305X012
Type 655 and 655R Actuators
for Self-Operated Control
Contents
Introduction 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1. . . . . . . . . . . . . . . . . . . . . . . . .
Description 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Mounting 3. . . . . . . . . . . . . . . . . . . . . . . .
Loading Connections 6. . . . . . . . . . . . . . . . . . . . . .
Startup 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup for Pressure-Reducing Service 6. . . . . .
Startup for Pressure-Relief Service 7. . . . . . . . .
Adjustment for Pressure-Reducing or
Pressure-Relief Service 7. . . . . . . . . . . . . . . . .
Shutdown 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Top-Mounted Handwheel 10. . . . . . . . . . . . . . . . .
Parts Ordering 12. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
Scope of Manual
This instruction manual provides installation,
adjustment, maintenance, and parts ordering for the
Type 655 and 655R actuators and the top-mounted
handwheel. Refer to separate instruction manuals
for information about valves and accessories used
with these actuators.
Do not install, operate, or maintain 655 and 655R
actuators without first D being fully trained and
qualified in valve, actuator, and accessory
installation, operation, and maintenance, and
D carefully reading and understanding the contents
of this manual. If you have any questions about
these instructions, contact your Emerson Process
Managementt sales office before proceeding.
Description
Type 655 and 655R actuators (figure 1) are
pressure-actuated, spring-and-diaphragm actuators
used in conjunction with various valves to provide
W0466-1 / IL
Figure 1. Type 655-ED Pressure-Reducing Valve
control for a wide variety of pressure regulation
applications. Type 655 actuators are used for
pressure-reducing service when mounted on
push-down-to-close valves such as the Design ED
and ET valves. Type 655R actuators are used for
pressure-relief service when mounted on
push-down-to-open valves such as the Design EDR
and ETR valves. Both types are self-operated and
direct-acting; that is, increasing pressure in the
diaphragm casing forces the actuator stem
downward, and decreasing the pressure allows the
actuator spring to lift the actuator stem upward.
Note
Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use and maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end-user.
Instruction Manual
Form 1292
July 2007
655 and 655R Actuators