Emerson Fisher HP & EH Instrukcja Obsługi

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www.Fisher.com
Fisherr EHD and EHT NPS 8 through 14
Sliding-Stem Control Valves
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 2.................................
Specifications 2...............................
Educational Services 3.........................
Installation 3..................................
Principle of Operation 5.........................
Maintenance 5.................................
Packing Lubrication 6..........................
Packing Maintenance 7.........................
Replacing Packing 7........................
Trim Removal 12..............................
EHD, EHT Valve Plug Maintenance 12.............
Lapping Seats 13..............................
Trim Replacement 14..........................
Retrofit: Installing Bore Seal Trim 17..............
Replacement of Installed Bore Seal Trim 19........
Trim Removal (Bore Seal Constructions) 19....
Lapping Metal Seats
(Bore Seal Constructions) 20..............
Remachining Metal Seats
(Bore Seal Constructions) 20..............
Trim Replacement
(Bore Seal Constructions) 20..............
Actuator Mounting 22.........................
Parts Ordering 22...............................
Parts Kits 23...................................
Parts List 25...................................
Bonnet Assembly 25...........................
Valve Assembly 27............................
Figure 1. Fisher EH Series Control Valve
with 667 Actuator
W2992-1
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts ordering information for NPS 8 through 14 Fisher
EHD and EHT sliding-stem globe-style control valves. Refer to separate manuals for instructions covering the actuator,
positioner, and accessories.
Do not install, operate, or maintain an EH 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
D100392X012
EH Valves NPS 8 through 14
July 2014
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Podsumowanie treści

Strona 1 - Sliding-Stem Control Valves

www.Fisher.comFisherr EHD and EHT NPS 8 through 14Sliding-Stem Control ValvesContentsIntroduction 1...Scope of Manual 1.

Strona 2 - Specifications

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201410Figure 4. Packing ArrangementsGRAPHITELAMINATEPACKING RING(KEY 7)UPPER WIPER (KEY 12

Strona 3 - Installation

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20141112. Slide the bonnet over the stem and onto the bonnet studs (key 13, figure 12 or 1

Strona 4

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201412For spring-loaded PTFE V-ring packing: Tighten the packing flange nuts until the sho

Strona 5 - Maintenance

Instruction ManualD100392X012EH Valves NPS 8 through 14July 2014131. With the valve plug (key 3) removed per the Trim Removal procedure, proceed as ap

Strona 6 - Packing Lubrication

Instruction ManualD100392X012EH Valves NPS 8 through 14July 2014145. After lapping, again disassemble as necessary, clean the seating surfaces, reasse

Strona 7 - Packing Maintenance

Instruction ManualD100392X012EH Valves NPS 8 through 14July 2014156. Install the valve plug into the cage.7. Install the other cage gasket (key 11) be

Strona 8

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201416Figure 5. Fisher EHD with Bore Seal TrimFLOW DOWNFLOW UPPLUGRETAINERBORE SEALPISTON

Strona 9

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201417Retrofit: Installing Bore Seal TrimNoteAdditional actuator thrust is required for a

Strona 10 - Instruction Manual

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201418Figure 6. Bore Seal Installation ToolGE22109-AABCDEFGHTable 8. Bore Seal Installatio

Strona 11

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201419CAUTIONTo avoid excessive leakage and seat erosion, the valve plug must be initially

Strona 12 - Trim Removal

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20142Table 1. SpecificationsEnd Connection Styles(1)Buttwelding: All available ASME B16.25

Strona 13 - Lapping Seats

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201420Figure7.StaketheThreadsoftheBoreSealRetainerBore SealMETALPLUGSEALVALVEPLUGFLOW DOWN

Strona 14 - Trim Replacement

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201421D The open interior of the Bore Seal plug seal must face up in a valve with flow-up

Strona 15

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201422Actuator MountingThefollowingprocedureassumesthatthevalveandactuatorare fully assemb

Strona 16

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201423Parts KitsENVIRO-SEAL Packing Retrofit KitsRetrofit kits include parts to convert ex

Strona 17

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201424Figure 10. Live-Loaded Packing39B4153-AA6297-1Typical HIGH-SEAL ULF Packing SystemTy

Strona 18

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201425Figure 11. Bonnet Assembly35A3976-AParts ListNotePart numbers are shown for recommen

Strona 19

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201426Keys 6, 7, 9, 12, 30, 31 and 32 Soft Packing P arts*VALVE STEMCONNECTIONPACKINGARRAN

Strona 20

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201427Valve Assembly (figures 12, 13, and 14)Key Description Part Number1ValveBodyIf you n

Strona 21

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201428Figure 12. Fisher EHD ValveFLOW DIRECTION FOR ALL TRIMS EXCEPT THOSE WITH WHISPER TR

Strona 22 - Parts Ordering

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201429Figure 13. Belleville Washer Body-to-Bonnet BoltingGE60624-CBONNETSHOWN INUNCOMPRESS

Strona 23 - Parts Kits

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20143Educational ServicesFor information on available courses for the Fisher EH NPS 8 thro

Strona 24

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201430Figure 14. Fisher EHT ValveFLOW DIRECTION FOR ALL TRIMS EXCEPT THOSE WITH WHISPER TR

Strona 25 - Parts List

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201431Key Description Part Number11* Cage Gasket (2 req'd)For standard service, silve

Strona 26

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201432Key 2* Whisper Trim III CageVALVESIZE,NPSCAGECONSTRUCTIONCr CtM152 SST17-4PH STAINLE

Strona 27

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201433Key3*ValvePlugforNPS8or10FisherEHDwithWhisperTrimIIICageMATERIALOPERATINGTEMPERATURE

Strona 28

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201434Key 3* Valve Plug for NPS 12 or 14 Fisher EHD with Whisper Trim III CageMATERIALOPER

Strona 29

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201435Key 3* Valve Plug for Fisher EHT with Whisper Trim III CageVALVESIZE,NPSMATERIALOPER

Strona 30

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201436Key 4* Valve Plug Stem for NPS 8 or 10 Fisher EHD or EHT Valve without Whisper Trim

Strona 31

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201437Key 4* Valve Plug Stem for NPS 12 or 14 Fisher EHD or EHT Valve without Whisper Trim

Strona 32

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201438Key 4* Valve Plug Stem for Valve with Whisper Trim III CageACTUATORGROUPVALVESIZE,NP

Strona 33

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201439Key 6* Seat Ring and Key 7 Cap Screw for V alve with Gasket Construction and Whisper

Strona 34

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20144CAUTIONThe valve configuration and construction materials were selected to meet parti

Strona 35

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201440Key 6* Seat Ring and Key 7 Cap Screw for Valve with O-Ring Construction and without

Strona 36

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201441Key 6* Seat Ring and Key 7 Cap Screw for Valve with O-Ring Construction and Whisper

Strona 37

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201442Actuator Groups by Type NumberGroup 100127 mm (5-Inch) Yoke BossGroup 406127 mm (5-I

Strona 38

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201443

Strona 39

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201444Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham,

Strona 40

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20145Principle of OperationKey numbers referenced in this section are shown in figure12for

Strona 41

Instruction ManualD100392X012EH Valves NPS 8 through 14July 201468. After all maintenance is complete, refer to the Trim Replacement procedure to asse

Strona 42

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20147A lubricator or lubricator/isolating valve (figure 2) is recommended for PTFE-impregn

Strona 43

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20148Key numbers referred to in this procedure are shown i n figure 11 unless otherwise in

Strona 44

Instruction ManualD100392X012EH Valves NPS 8 through 14July 20149injury. Use a stick or other device to thread a rope or sling through the windows. Us

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