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Fisher
™
8590 Rotary Valve
Contents
Introduction
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Educational Services
2
. . . . . . . . . . . . . . . . . . . . . . . . .
Installation
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Packing Maintenance
10
. . . . . . . . . . . . . . . . . . . . . . .
Replacing the Seal Ring Assembly
13
. . . . . . . . . . . . .
Replacing the Disk, Shafts, or Bearings
15
. . . . . . . . .
Actuator Mounting
20
. . . . . . . . . . . . . . . . . . . . . . . . .
Parts Ordering
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Kits
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List
21
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Figure 1. Fisher 8590 Valve with 2052 Actuator
and DVC6200 Digital Valve Controller
X0955-1
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for the Fisher 8590 valve, NPS 3
through NPS 24 (figure 1). Refer to separate instruction manuals for information covering the power actuator and
accessories.
Do not install, operate, or maintain an 8590 valve 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 sales office
or Local Business Partner before
proceeding.
Description
The Fisher 8590 High-Performance Butterfly Valve maintains tight shutoff, and can be specified for a wide range of
pressure and temperature conditions.
The 8590 valve is available in a lugged body design. A splined shaft can combine with a variety of
spring-and-diaphragm or pneumatic piston actuators. A square or keyed shaft can combine with a variety of
handlevers, handwheels, or pneumatic piston actuators. These combinations help make the 8590 valve a reliable,
high-performance butterfly valve for both throttling and on-off applications in the process industries.
Instruction Manual
D104016X012
8590 Valve
June 2017
