Fisher GX 3-Way, Instruction Manual, Page: 1 / 28

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Fisher
™
GX 3‐Way Control Valve and Actuator
System
Contents
Introduction 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Educational Services 2 . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Installation 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Maintenance 5 . . . . . . . . . . . . . . . . . . . . . . . .
Packing Maintenance 9 . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Packing (Pneumatic Actuators) 9 . . . . . . . .
Replacing Packing (Electric Actuators) 12 . . . . . . . . .
Valve Trim Maintenance 15 . . . . . . . . . . . . . . . . . . . . .
Parts Kits 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1. Fisher GX 3‐Way Control Valve, Actuator,
and FIELDVUE DVC2000 Digital Valve Controller
W9557
GX 3-WAY
HIGH-TEMPERATURE
X0218
GX 3-WAY
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for the Fisher GX 3‐Way control
valve and actuator system.
Do not install, operate, or maintain a GX 3-Way 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 GX 3‐Way meets the requirements of both EN and ASME standards. It is available with a complete accessory
package, including the FIELDVUE
™
DVC2000 integrated digital valve controller.
Instruction Manual
D103312X012
GX 3-Way Valve and Actuator
July 2017