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Fisher
™
ET and EAT easy‐e
™
Valves
CL125 through CL600
Contents
Introduction 1...................................
Scope of Manual 1...............................
Description 2...................................
Specifications 3.................................
Educational Services 3...........................
Installation 3....................................
Maintenance 4...................................
Packing Lubrication 5............................
Packing Maintenance 5..........................
Replacing Packing 6.........................
Trim Maintenance 11............................
Disassembly 11.............................
Lapping Metal Seats 12.......................
Valve Plug Maintenance 13....................
Assembly 15................................
ENVIRO‐SEAL
™
Bellows Seal Bonnet 16.............
Replacing a Plain or Extension Bonnet with an
ENVIRO‐SEAL Bellows Seal Bonnet
(Stem/Bellows Assembly) 16................
Replacement of an Installed ENVIRO‐SEAL
Bellows Seal Bonnet (Stem/Bellows
Assembly) 19.............................
Purging the ENVIRO‐SEAL Bellows Seal Bonnet 20.
Parts Ordering 21.................................
Parts Kits 21.....................................
Parts List 26.....................................
Figure 1. Fisher ET Control Valve with 667 Actuator
W1916‐3
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for NPS 1 through 8 Fisher ET valves,
and NPS 1 through 6 EAT valves, through CL600 ratings. Refer to separate manuals for instructions covering the
actuator and accessories.
Do not install, operate, or maintain ET valves 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.
Instruction Manual
D100398X012
ET Valve
November 2017
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