Emerson FISHER 657 Instruction Manual

www.Fisher.comFisherr EHD, EHS, and EHT ValvesNPS 1-1/2x1 through N PS 8x6ContentsIntroduction 1...Scope of Manual 1...

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201410Figure 4. Packing ArrangementsUPPER WIPER (KEY 12)PTFE V-RINGSINGLE PACKINGGRAPHIT

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201411rounded rod or other tool that will n ot scratch the packing box wall. For extensi

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201412When all nuts are tightened to that torque value, increase the torque by one fourt

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201413If desired, a tool can also be machined for a valve of specific size and valve cla

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201414Figure 6. Detail of Protected Soft SeatINNER PLUGOUTER PLUGCAGESEAT RINGPROTECTED

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201415Figure 7. Typical Balanced TSO TrimVALVE PLUG SEALPROTECTED SOFT SEATA7096Valve Pl

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 2014163. Thread the new stem into the valve plug and tighten it to the appropriate torqu

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201417Figure 8. Trim Surfaces Requiring LubricationSEAT RING RETAINERA3583SEAT RING GASK

Figure 9. Information for Machining and Use of Seat Ring Retainer ToolDIM EDIM GDIM F0.0625 RDIA DDIA C125DIM HCHAMDIA ADIA B0.75 MIN1.625 MAXDIM J2 L

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201419Table 9. Recommended Torque for Installing Seat Ring RetainerVALVESIZE,NPSVALVEBOD

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 20142Table 1. SpecificationsEnd Connection StylesButtwelding: All available ASME B16.25

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201420CAUTIONHold the torque wrench at right angles to the seat ring retainer when apply

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201421Secure with the retaining ring (key 10). For an NPS 6 valve with a level D Whisper

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201422serial card provided with this product. Use of unapproved materials and parts coul

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201423CAUTIONTo avoid leakage when the valve is returned to service, use appropriate met

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201424FOR VALVEPLUGSFITTINGPORT SIZE(Inches)DIMENSIONS, mm(See Drawing Below)Part Number

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201425CAUTIONTo avoid excessive leakage and seat erosion, the valve plug must be initial

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201426Figure 12. Installing the C-seal Plug Seal Using the Installation ToolNOTE:PRESS I

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201427seal contacts the cage, and inspect the sealing surface where the C-seal plug seal

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 2014283. PlacetheC-sealplugsealoverthetopofthevalveplugandpressitontotheplugusingtheinst

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201429Parts OrderingEach body-bonnet assembly is assigned a serial number, which can be

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 20143appliedinprocesseswithafluidtemperatureofupto593_C (1100_F), provided other materia

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201430Parts ListNotePart numbers are shown for recommended spares only. For partnumbers

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201431Figure 16. Fisher EH Bonnet Assembly71 mm (2-3/16 INCH) YOKE BOSS BONNETWITH SINGL

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201432Figure 17. Fisher EHD ValveFLOW DIRECTION FOR ALL TRIMS EXCEPT WITH A WHISPERTRIM

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201433Figure 18. Fisher EHS ValveFLOW DIRECTION FOR ALL TRIMS EXCEPT THOSE WITH A CAVITR

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201434Figure 19. Belleville Washer Body-to-Bonnet BoltingGE60624-CSHOWN INUNCOMPRESSED“F

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201435Figure 20. Fisher EHT ValveFLOW DIRECTION FOR ALL TRIMS EXCEPT WITH A WHISPERTRIM

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201436Figure 21. Typical Cavitrol III ConstructionsVIEW A57A2883-BGASKETED SEAT RINGCONS

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201437Keys 6*, 7*, and 12* Soft Packing PartsPACKINGARRANGEMENTKEYNUMBERPACKING PARTDESC

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201438Keys 8, 10, 11* and 13 Metal Packing PartsPACKINGTYPEKEYNUMBERDESCRIPTIONQUANTITY

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201439Key 2* Cage For Valve Bodies Without Whisper Trim I II Cage or Cavitrol III TrimVA

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 20144InstallationWARNINGAlways wear protective gloves, clothing, and eyewear when perfor

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201440C-seal Parts for Fisher EHD Valve (Keys 2*, 3*, 6*, 64*, 8*, and 4*)VALVESIZEPORTD

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201441Key 3* Valve Plug for 1-1/2 x 1 and 2 x 1 Fisher EHS Valve Body with Micro-Flute V

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201442Key 3* Valve Plug or Plug/Diverter for an NPS 6 CL2500 Valve Without Micro-Form, M

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201443Key3*ValvePlugforNPS6and8x6ValvewithWhisperTrimIIICageVALVEBODYDESIGNMATERIALOPERA

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201444Key 4* Valve Plug Stem for CL2500 Valve without Whisper Trim III or Cavitrol III T

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201445Key 4* Valve Plug Stem for NPS 4 or 6 Valve with Whisper Trim III CageVALVEBODYRAT

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201446Key 6* Seat Ring and Key 7* Seat Ring Retainer for Gasketed Seat Ring Construction

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201447Key 6* Seat Ring and Key 7* Seat Ring Retainer for a NPS 4 or 6 Valve with Whisper

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201448Key 8* R30003/PTFE Seal Ring and Key 30* Graphite Piston Ring for Fisher EHT witho

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201449Figure 22. NPS 3 to 6 Fisher EHT Valve Using PEEK Anti-Extrusion Rings21B2120-AA71

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201453. The control valve must be installed with the actuator vertical above the valve b

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201450TSO Parts for Fisher EHS and EHT Valves (Keys 2*, 6*, and 3*)VALVESIZECLASSPORTDIA

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201451TSO Parts for Fisher EHS and EHT Valves (Keys 8*, 63*, 9*, and 10*)VALVESIZECLASSP

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 201452Actuator Groups by Type NumberGroup 154 mm (2-1/8 Inch),71 mm (2-13/16 Inch),or 90

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 20146MaintenanceValve parts are subject to normal wear and must be inspected and replace

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 20147WARNINGPersonal injury could result from packing leakage. Valve packing was tighten

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 20148Replacing PackingKey numbers referred to in this procedure are shown i n figure 16

Instruction ManualD100394X012EH (1-1/2x1 through 8x6)December 20149Figure 3. Live-Loaded Packing39B4153-AA6297-1Typical HIGH-SEAL ULF Packing SystemTy