Fisher Instruction Manual: Service Instructions for Fisher Digital Isolation Triple Offset Valve (TOV) Solution Manuals & Guides

Instruction Manual

D104341X012

Fisher Digital Isolation Solutions

December 2018

Service Instructions for Fisher™ Digital Isolation
Triple Offset Valve (TOV) Solution

Contents

Introduction 1.................................

Scope of Manual 1..............................

Component Specifications 2.....................

Component Instruction and Maintenance Manuals 2.
Actuator Mounting Bracket-to-Valve Bolt Torque 3..

Educational Services 4...........................

Parts Ordering 4................................

Figure 1. Fisher Digital Isolation TOV Solution

X1550

™

Introduction

Fisher Digital Isolation Solutions leverage Emerson’s automation expertise with time-tested products to provide a
complete and dependable isolation valve solution for your most critical isolation, SIS, and ESD valve applications.

Scope of Manual

This instruction manual includes the web links for product specifications, installation and maintenance instructions for
each component.

Do not install, operate or maintain this product 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 of the contents of this manual, including all safety cautions and warnings. If
you have any questions about these instructions, contact your Emerson sales office

before proceeding.

www.Fisher.com

Fisher Digital Isolation Solutions

December 2018

Instruction Manual

D104341X012

Component Specifications

For product specifications click on the following web link (TOV Specs) where you will find the technical specifications
documents for the components used on Fisher Digital Isolation Solutions products.

Component Instruction and Maintenance manuals

For Component Instruction and Maintenance manuals click on the following links (ASCO, TopWorx, DVC6200 SIS,

BETTIS

) where you will find the documents for the components used on Fisher Digital Isolation Solutions.

If a paper copy of component specifications or Instruction/Maintenance manuals is required please consult your
Emerson sales office.

WARNING

Avoid personal injury and property damage from sudden release of process pressure or bursting of parts. Before
performing any maintenance operations:

D Do not remove the actuator from the valve while the valve is still pressurized.

D Always wear protective gloves, clothing, and eyewear when performing any maintenance operations.

D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the

actuator cannot suddenly open or close the valve.

D Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure

on both sides of the valve. Drain the process media from both sides of the valve.

D Depending on the actuator construction, it will be necessary to manage the pneumatic actuator spring

pre-compression. It is essential to refer to the relevant actuator instructions in this manual to provide safe removal of
the actuator from the valve.

D Use lock‐out procedures to be sure the above measures stay in effect while you work on the equipment.

D The valve packing box may contain process fluids that are pressurized, even when the valve has been removed from the

pipeline. Process fluids may spray out when removing the packing hardware or packing rings, or when loosening the
packing box pipe plug.

D Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

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