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Fisher
r
8580 Rotary Valve
Contents
Introduction 1.................................
Scope of Manual 1.........................
Description 3..............................
Specifications 2............................
Installation
4..................................
Maintenance 6................................
Packing Maintenance 7.....................
Replacing the Seal Ring Assembly 11.........
Replacing the Disk, Shafts, or Bearings 11.....
Actuator Mounting 15.......................
Parts Ordering 17
............................
Parts Kits 17................................
Parts List 18................................
Introduction
Scope of Manual
This instruction manual includes installation,
maintenance, and parts information for the Fisher
8580 valve, DN50 through DN300 or NPS 2 through
NPS 12 (figure 1). Refer to separate instruction
manuals for information covering the power on-off
actuator and accessories.
Do not install, operate, or maintain an 8580 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 Process Management sales office before
proceeding.
Figure 1. Fisher 8580 Valve with 2052 Actuator
and DVC6000 Digital Valve Controller
W9425
SINGLE FLANGE STYLE
WAFER STYLE
W9498
Instruction Manual
D103300X012
March 2010
8580 Valve
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