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Fisherr ENVIRO-SEAL™ Packing System for

Sliding-Stem Valves

Contents

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

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

Description 2.................................

Installation 3..................................

Tightening Procedures 7.......................

Other Considerations 7..........................

Parts Ordering 7................................

Retrofit Kits 8..................................

easy-e™,A,EH,HP,YD,YSRetrofitKits 8..........

Repair Kits 8...................................

easy-e,A,EH,HP,YD,YSRepairKits 8............

Figure 1. Fisher easy-e Valve Bonnet with

ENVIRO-SEAL Packing

VALVE

BONNET

BELLEVILLE

SPRINGS

VALVE

STEM

PACKING

FLANGE

PACKING

FOLLOWER

W5814-1*

Introduction

Scope of Manual

This instruction manual includes installation and parts information for Fisher ENVIRO-SEAL live-loaded packing systems

(see figure 1). These systems are available for Fisher sliding-stem valves with 9.5, 12.7, 19.1, 25.4, 31.8, and 50.8 mm

(3/8,1/2,3/4,1,1-1/4, and 2 inch) diameter stems. The system can be u sed with many sliding-stem valves as shown in

the Applications section of the Specifications. Refer to appropriate valve and actuator instruction manuals for

necessary information relating to the disassembly and assembly of the valve and actuator. ENVIRO-SEAL packing

systems for sliding-stem valves utilize a Belleville (coned-disk) spring system in the pressure/temperature ranges

showninthespecifications.For higher pressure/temperature ratings, refer to the HIGH-SEAL ULF Live-Loaded Packing

System instruction manual, D101453X012.

Donotinstall,operate,ormaintainENVIRO-SEAL live-loaded 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 Emerson Process

Management sales office before proceeding.

Instruction Manual

D101642X012

ENVIRO-SEAL Sliding-Stem Valves

April 2012

1 2 3 4 5 6 ... 11 12

Inhaltsverzeichnis

Seite 1 - Sliding-Stem Valves

www.Fisher.comFisherr ENVIRO-SEAL™ Packing System forSliding-Stem ValvesContentsIntroduction 1...Scope of Manual 1...

Seite 2 - Description

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 201210Figure 7. ENVIRO-SEAL Graphite ULF Packing for Fisher easy-e Valves39B4612-APA

Seite 3 - Installation

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 201211Figure 8. Copy of TÜV Certificate

Seite 4

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 201212Figure 9. Copy of TÜV CertificateEmerson Process ManagementMarshalltown, Iowa

Seite 5

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20122Table 1. SpecificationsApplicable Product Types and Stem DiametersSee tables 2

Seite 6

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20123InstallationENVIRO-SEAL packing systems are designed for quality performance ov

Seite 7 - Parts Ordering

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20124Table 2. Fisher Sliding-Stem Product Availability for ENVIRO-SEAL Duplex Packin

Seite 8 - Repair Kits

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20125Remove old packing parts from t he packing box by using the valve instruction m

Seite 9

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20126Table7.GraphiteULFPackingTorque(1)STEM SIZE TORQUEmm Inch NSm lbfSin lbfSft9.5

Seite 10 - Instruction Manual

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20127Tightening Procedures1. You will obtain maximum benefit from your ENVIRO-SEAL p

Seite 11

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20128refer to this serial number and to the part description and part n umber from t

Seite 12

Instruction ManualD101642X012ENVIRO-SEAL Sliding-Stem ValvesApril 20129Figure 5. PTFE Sliding-Stem ENVIRO-SEAL Packing for Fisher easy-e ValvesA6146-1