Emerson Fisher easy-e EW Manuel d'instructions

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www.Fisher.com
Fisherr EWD, EWS, and EWT Valves
through NPS 12x8
Contents
Introduction 1...................................
Scope of Manual 1.............................
Description 3.................................
Specifications 3...............................
Educational Services 4.........................
Installation 4
....................................
Inverted Globe Valve Applications
(Actuator below valve) 6.....................
Maintenance 7
..................................
Packing Lubrication 8..........................
Packing Maintenance 10........................
Replacing Packing 11.......................
Trim Maintenance 14..........................
Trim Removal 15..........................
Lapping Metal Seats 16.....................
Valve Plug Maintenance 17..................
Trim Replacement 19......................
Retrofit: Installing C-seal Trim 20................
Replacement of Installed C-seal Trim 24...........
Trim Removal (C-seal Constructions) 24.......
Lapping Metal Seats (C-seal Constructions) 25..
Remachining Metal Seats
(C-seal Constructions) 25.................
Trim Replacement (C-seal Constructions) 26...
ENVIRO-SEALt Bellows Seal Bonnet 27...........
Parts Ordering 32
................................
Parts Kits 33.....................................
Parts List 36.....................................
Figure 1. Fisher NPS 12x6 EW Series Valve With
667 Actuator
W2777-2*
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for Fisher NPS 4x2 through 12x8
EWD, EWS, and EWT valves (figure 1). Refer to separate manuals for instructions covering the actuator and
accessories.
Do not install, operate, or maintain an EW 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 Process Management sales office before
proceeding.
Instruction Manual
D100399X012
EW Valve
September 2014
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Résumé du contenu

Page 1 - Introduction

www.Fisher.comFisherr EWD, EWS, and EWT Valvesthrough NPS 12x8ContentsIntroduction 1...Scope of Manual 1...

Page 2

Instruction ManualD100399X012EW ValveSeptember 201410Packing MaintenanceNoteFor valves with ENVIRO-SEAL live-loaded packing, see the Fisher instructio

Page 3 - Specifications

Instruction ManualD100399X012EW ValveSeptember 201411D Do not remove the actuator from the valve while the valve is still pressurized.D Always wear pr

Page 4 - Installation

Instruction ManualD100399X012EW ValveSeptember 2014126. Remove the locknut and separate the valve plug and stem from the bonnet. Set the parts on a pr

Page 5

Instruction ManualD100399X012EW ValveSeptember 201413NoteProper performance of the tightening procedures in step 11 compresses the spiral wound gasket

Page 6 - Disassembly

Instruction ManualD100399X012EW ValveSeptember 201414Trim MaintenanceWARNINGAvoid personal injury or property damage from sudden release of process pr

Page 7 - Maintenance

Instruction ManualD100399X012EW ValveSeptember 201415CAUTIONIn the following applicable procedures, to avoid damaging parts, do not grip the bellows s

Page 8 - Packing Lubrication

Instruction ManualD100399X012EW ValveSeptember 201416Figure 7. TSO (Tight Shutoff Trim), Detail of Protected Soft SeatINNER PLUGOUTER PLUGCAGESEAT RIN

Page 9

Instruction ManualD100399X012EW ValveSeptember 201417Figure 8. Typical Balanced TSO TrimVALVE PLUGSEALPROTECTEDSOFT SEATA7096Except with respect to th

Page 10 - Packing Maintenance

Instruction ManualD100399X012EW ValveSeptember 201418For the EWD carbon-filled PTFE piston ring, the ring is split in one place. If there is visible d

Page 11 - Instruction Manual

Instruction ManualD100399X012EW ValveSeptember 2014193. To replace the adaptor (key 24, figure 21) on ENVIRO-SEAL bellows seal bonnets, place the plug

Page 12

Instruction ManualD100399X012EW ValveSeptember 20142Table 1. SpecificationsEnd Connection StylesFlanged Ends: CL300, CL600, or CL900 Raised-face orrin

Page 13

Instruction ManualD100399X012EW ValveSeptember 201420D Assemble the piston ring, anti-extrusion rings, backup ring, and retainer.6. For all constructi

Page 14 - Trim Maintenance

Instruction ManualD100399X012EW ValveSeptember 201421Figure 9. Fisher EWD with C-seal TrimA6790FLOW DOWNFLOW UPAVIEW A64 64926465876. Install the new

Page 15 - Trim Re moval

Instruction ManualD100399X012EW ValveSeptember 201422FOR VALVEPLUGSFITTINGPORT SIZE(Inches)DIMENSIONS, mm(See Drawing Below)Part Number(To OrderA Tool

Page 16 - Lapping Metal Seats

Instruction ManualD100399X012EW ValveSeptember 201423Figure 11. Installing the C-seal Plug Seal Using the Installation ToolNOTE:PRESS INSTALLATION TOO

Page 17 - Valve Plug M aintenance

Instruction ManualD100399X012EW ValveSeptember 201424CAUTIONTo avoid excessive leakage and seat erosion, the valve plug must be initially seated with

Page 18

Instruction ManualD100399X012EW ValveSeptember 201425Figure 13. Lower (Valve Plug to Seat Ring) and Upper (C-seal Plug Seal to Cage) Seating SurfacesC

Page 19 - Trim Replacement

Instruction ManualD100399X012EW ValveSeptember 201426Figure 14. Example of Machining the Lower (Valve Plug to Seat Ring) and Upper (C-seal Plug Seal t

Page 20

Instruction ManualD100399X012EW ValveSeptember 2014273. PlacetheC-sealplugsealoverthetopofthevalveplugandpressitontotheplugusingtheinstallationtool.Ca

Page 21

Instruction ManualD100399X012EW ValveSeptember 2014284. Inspect the existing valve plug. If the plug is in good condition, it can be reused with the n

Page 22

Instruction ManualD100399X012EW ValveSeptember 201429Figure 15. PTFE Packing Arrangement for Use in Fisher ENVIRO-SEAL Bellows Seal BonnetsPACKING SET

Page 23

Instruction ManualD100399X012EW ValveSeptember 20143Figure 2. Cutaway Detail of the Fisher WhisperFlo Trim, Valve Body TypicalW6825-1DescriptionThese

Page 24

Instruction ManualD100399X012EW ValveSeptember 201430NoteStud(s) and nut(s) should be installed such t hat the manufacturer's trademark and mater

Page 25

Instruction ManualD100399X012EW ValveSeptember 20143115. Install the travel indicator parts and stem locknuts; mount the actuator on the valve body ac

Page 26

Instruction ManualD100399X012EW ValveSeptember 201432D Thread the adaptor into the valve plug and tighten to the appropriate torque value.7. Complete

Page 27 - (Stem/Bellows Assembly)

Instruction ManualD100399X012EW ValveSeptember 201433Parts KitsGasket KitsGasket Kits (includes keys 10, 12, 13, and 53; plus 11 and 14 for restricted

Page 28

Instruction ManualD100399X012EW ValveSeptember 201434HIGH-SEAL and ENVIRO-SEAL Packing Retrofit KitsRetrofit kits include parts to convert valves with

Page 29

Instruction ManualD100399X012EW ValveSeptember 201435Figure 17. Typical Fisher HIGH-SEAL Packing SystemA6138STUD(KEY 200)HEX NUT(KEY 212)PACKINGFLANGE

Page 30

Instruction ManualD100399X012EW ValveSeptember 201436Parts ListNumerous available combinations of valve parts makeselection of some parts difficult; w

Page 31

Instruction ManualD100399X012EW ValveSeptember 201437Key Description Part NumberS31600 for chrome moly steel or316 SST bonnet16 ENVIRO-SEAL b ellows s

Page 32 - Parts Ordering

Instruction ManualD100399X012EW ValveSeptember 201438Figure 21. Typical Fisher Bonnet with Single PTFE V-Ring Packing SetAPPLY LUBE020130A9425-A35A397

Page 33 - Parts Kits

Instruction ManualD100399X012EW ValveSeptember 201439Valve Body(figures 22 through 24)NoteThis parts list provides part numbers for standard valves an

Page 34

Instruction ManualD100399X012EW ValveSeptember 20144Table 2. Shut off Classification Per ANSI/FCI 70-2 and IEC 60534-4Valve Seating Shutoff ClassEWD M

Page 35

Instruction ManualD100399X012EW ValveSeptember 201440Figure 22. Fisher EWD Valve through NPS 12x6 with Optional Drain PlugDETAIL OF MULTIPLEPISTON RIN

Page 36 - Parts List

Instruction ManualD100399X012EW ValveSeptember 201441Key Description Part Number17 Pipe Plug for drain-tapped valve18 Flow Arrow, SST19 Drive screw, S

Page 37

Instruction ManualD100399X012EW ValveSeptember 201442Figure 23. Fisher EWS Valve through NPS 12x6FLOW DIRECTIONCAVITROL TRIMSTD TRIMWHISPER TRIMCOMPLE

Page 38

Instruction ManualD100399X012EW ValveSeptember 201443Figure 24. Typical Fisher EWT Valve AssembliesVIEW AFLOW UPVIEW AFLOW DOWN47.6 TO 136.5 mm (1.875

Page 39 - (figures 22 through 24)

Instruction ManualD100399X012EW ValveSeptember 201444Figure 25. FGM Gasket Detail with Optional Drain PlugFULL-CAPACITY TRIM DETAILFGM GASKETS ALSO MU

Page 40

Instruction ManualD100399X012EW ValveSeptember 201445Figure 26. NPS 4x2 Through 12x8 Fisher Valves with 1-Stage Cavitrol III CageVIEW ANPS 4x2 THROUGH

Page 41 - TSO Trim (figures 7 and 8)

Instruction ManualD100399X012EW ValveSeptember 201446Figure 27. NPS 4x2 Through 12x8 Fisher Valves with 2-Stage Cavitrol III CageVIEW ANPS 12x8 VALVEN

Page 42

Instruction ManualD100399X012EW ValveSeptember 201447Figure 28. T ypical Fisher EWD Valve with Whisper Trim III CageCOMPLETE VALVE ASSEMBLY WITH WHISP

Page 43

Instruction ManualD100399X012EW ValveSeptember 201448Figure 29. Typical Fisher WhisperFlo TrimsDISK SEATEWD/EWT(METAL SEAT)EWT(SOFT SEAT)DISKDISK RETA

Page 44

Instruction ManualD100399X012EW ValveSeptember 201449Key 2*Fisher EWD Valve PlugVALVE SIZE, NPS MATERIALSTEM DIA, mm (INCH)12.7 (1/2) 19.1 (3/4) 25.4

Page 45

Instruction ManualD100399X012EW ValveSeptember 20145Check with your process or safety engineer for any additional measures that must be taken to prote

Page 46

Instruction ManualD100399X012EW ValveSeptember 201450Key 2*Fisher EWS Valve PlugVALVE SIZE, NPS MATERIALSTEM DIA, mm (INCH)12.7 (1/2) 19.1 (3/4) 25.4

Page 47

Instruction ManualD100399X012EW ValveSeptember 201451Key 2*Valve Plug for Fisher EWT with Two-Piece Seal RingVALVE SIZE, NPS MATERIALSTEM DIA, mm (INC

Page 48

Instruction ManualD100399X012EW ValveSeptember 201452C-seal Parts for Fisher EWD Valve (Keys 3*, 2*, 9*, 64*, 6*, and 7*)VALVESIZEPORTDIATRAVELTRIMSTE

Page 49

Instruction ManualD100399X012EW ValveSeptember 201453C-seal Parts for Fisher EWD Valve (Keys 3*, 2*, 9*, 64*, 6*, and 7*) (continued)VALVESIZEPORTDIAT

Page 50

Instruction ManualD100399X012EW ValveSeptember 201454C-seal Parts for Fisher EWD Valve (Keys 3*, 2*, 9*, 64*, 6*, and 7*) (continued)VALVESIZEPORTDIAT

Page 51

Instruction ManualD100399X012EW ValveSeptember 201455Key 3*Cage (except for Whisper Trim III and Cavitrol III constructions)Valve Size, NPS Cage Style

Page 52

Instruction ManualD100399X012EW ValveSeptember 201456Key 7*ValveStem(exceptforCavitrolIIIconstructions)VALVE SIZE, NPSSTEM DIAACTU-ATORGROUPBONNETPlai

Page 53

Instruction ManualD100399X012EW ValveSeptember 201457Key 7*Valve Stem (except for Cavitrol III constructions) (continued)VALVE SIZE, NPSSTEM DIAACTU-A

Page 54

Instruction ManualD100399X012EW ValveSeptember 201458Keys 10*, 11*, 12*, 13*, 14*, and 53* Gaskets and ShimsValve Size, NPS Key NumberStandard Trim Ca

Page 55

Instruction ManualD100399X012EW ValveSeptember 201459

Page 56

Instruction ManualD100399X012EW ValveSeptember 201464. Use accepted piping and welding practices when installing the valve in the line. For flanged va

Page 57

Instruction ManualD100399X012EW ValveSeptember 201460Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, Kent ME4 4QZ

Page 58

Instruction ManualD100399X012EW ValveSeptember 201472. Provideadequatesupporttothebonnetwhileremovingthebonnetnuts.3. Be aware that the bonnet/plug/ca

Page 59

Instruction ManualD100399X012EW ValveSeptember 20148NoteWhenever a gasket seal is disturbed by removing or shifting gasketed parts, install a new gask

Page 60

Instruction ManualD100399X012EW ValveSeptember 20149Figure 4. PTFE V-Ring Packing ArrangementsUPPER WIPER(KEY 12)PACKINGFOLLOWER(KEY 13)WASHER(KEY 10)

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