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Emerson Fisher easy-e EW Series Instruction Manual

Maintenance packing system for sliding-stem valves in power plant applications
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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
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PACKING
FLANGE
PACKING
FOLLOWER
VALVE
BONNET
W5814-1*
before proceeding.
October 2020
™
VALVE
STEM
BELLEVILLE
SPRINGS

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Summary of Contents for Emerson Fisher easy-e EW Series

  • Page 1: Table Of Contents

    If you have any questions about these instructions, contact your Emerson sales office before proceeding. www.Fisher.com...

  • Page 2: Description

    - - - (ED, ES, ET, EW, EZ) - - - - - - - - - - - - - - - - - - - - - - - - 1. Contact your Emerson sales office for valves not listed.

  • Page 3: Installation

    Instruction Manual Maintenance Packing System for Sliding-Stem Valves D104566X012 October 2020 Installation If you are changing the packing system, it is good practice to review actuator sizing, as packing friction will change. See tables 3 and 4 for information on packing friction. WARNING Avoid personal injury from sudden release of process pressure or uncontrolled movement of parts.

  • Page 4: Tightening Procedures

    Instruction Manual Maintenance Packing System for Sliding-Stem Valves October 2020 D104566X012 Table 4. Packing Friction at Elevated Temperature 3155C (6005F) VALVE STEM DIAMETER MAINTENANCE PACKING Inches Newtons Pounds (Force) 12.7 19.1 1730 25.4 2740 31.8 1-1/4 3560 Note Ensure the Belleville springs are stacked properly and packing box parts are assembled in the correct order (see figure 2). Packing parts cannot function properly if the Belleville springs or other packing parts are not stacked correctly.

  • Page 5: Other Considerations

    11-character part number for each part required from the following parts list. WARNING Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the...
  • Page 6 Instruction Manual Maintenance Packing System for Sliding-Stem Valves D104566X012 October 2020 Parts List Description Description  200 Stud See following table  212 Packing Nut See following table  201 Packing Flange See following table  213* Anti-Seize Lubricant See following table  207* Guide Bushing See following table  214* Packing Washer See following table...
  • Page 7 Instruction Manual Maintenance Packing System for Sliding-Stem Valves D104566X012 October 2020 Figure 2. Maintenance Packing for Fisher easy-e Valves APPLY LUB GH07970-B...
  • Page 8 Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. Fisher, ENVIRO-SEAL, and easy-e are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co.

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