Instruction Manual
D104566X012
Maintenance Packing System for Fisher
Sliding-Stem Valves in Power Plant Applications
Contents
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Introduction
Scope of Manual
This instruction manual includes installation and parts information for a Maintenance Packing System that uses
ENVIRO-SEAL™ live-loaded components (see figure 1). This system can be installed in Fisher Sliding-Stem valves with
12.7, 19.1, 25.4, 31.8 mm, and 50.8 mm (1/2, 3/4, 1, 1-1/4, and 2-inch) diameter stems as shown in table 2. Refer to
appropriate valve and actuator instruction manuals for necessary information relating to the disassembly and
assembly of the valve and actuator.
Do not install, operate, or maintain Maintenance Packing Systems 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
www.Fisher.com
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Emerson sales office
Maintenance Packing System for Sliding-Stem Valves
Figure 1. Fisher easy-e Valve Bonnet with
Maintenance Packing System
1
1
2
3
4
5
5
PACKING
FLANGE
PACKING
FOLLOWER
VALVE
BONNET
W5814-1*
before proceeding.
October 2020
™
VALVE
STEM
BELLEVILLE
SPRINGS