Table of Contents
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Instruction Manual
D100392X012
April 2009
Fisherr EHD and EHT NPS 8 through 14
Sliding-Stem Control Valves
Contents
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Introduction
Scope of Manual
This instruction manual includes installation,
maintenance, and parts ordering information for
NPS 8 through 14 Fisherr EHD and EHT
sliding-stem globe-style control valves. Refer to
separate manuals for instructions covering the
actuator, positioner, and accessories.
www.Fisher.com
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EH Valves (NPS 8 through 14)
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W2992-1/IL
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Figure 1. Fisherr EH Series Control Valve
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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.
with 667 Actuator
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Table of Contents
Related Manuals for Fisher EHD
Summary of Contents for Fisher EHD
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Page 1: Table Of Contents
Instruction Manual D100392X012 EH Valves (NPS 8 through 14) April 2009 Fisherr EHD and EHT NPS 8 through 14 Sliding-Stem Control Valves Contents Introduction ....... -
Page 2: Description
The EHD and EHT valves feature balanced valve Table 2. Shutoff Classifications plugs. To provide a seal between the valve plug and ANSI/FCI VALVE cage, the EHD valve plug has piston rings; the EHT LEAKAGE DESIGN CLASS valve plug has a pressure-assisted seal ring. -
Page 3: Installation
Instruction Manual EH Valves (NPS 8 through 14) April 2009 Table 3. Additional Shutoff Classification VALVE DESIGN PORT DIAMETER, ANSI/FCI LEAKAGE VALVE SIZE, NPS CAGE STYLE (PRESSURE RATING) INCHES CLASS Equal Percentage Modified Equal Percentage V with Linear (std. cage) (CL500) optional Bore seal trim Linear (Whisper III, A1, B3, C3) -
Page 4: Principle Of Operation
Key numbers referenced in this section are shown in prevent the lodging of particles in figure 12 for the EHD valve and in figure 13 for the these passages. This is especially EHT valve. important if the pipeline cannot be EHD and EHT valves are balanced designs. -
Page 5: Packing Lubrication
Sliding-Stem Valves for packing process media. instructions. If the valve has HIGH-SEAL live-loaded WARNING packing installed, see the Fisher instruction manual titled HIGH-SEAL Live-Loaded Packing System for Refer to table 4 for valve assembly instructions. weights and the appropriate actuator instruction manual for actuator assembly weights. -
Page 6: Packing Maintenance
Valves with ENVIRO-SEAL live-loaded packing or WARNING HIGH-SEAL live-loaded packing installed probably will not require this initial re-adjustment. See the Fisher instruction manuals titled ENVIRO-SEAL Refer to the WARNING at the Packing System for Sliding-Stem Valves or beginning of the Maintenance section HIGH-SEAL Live-Loaded Packing System (as in this instruction manual. - Page 7 Use care to avoid damaging gasket hoist to prevent damage or injury sealing surfaces. should the cage suddenly separate EHD piston rings (key 8) are brittle and from the bonnet. in two pieces. Use care to avoid damage to the piston rings caused by dropping or rough handling.
- Page 8 Instruction Manual EH Valves (NPS 8 through 14) April 2009 UPPER WIPER (KEY 12) UPPER WIPER (KEY 12) PACKING FOLLOWER PACKING FOLLOWER (KEY 13) PACKING FOLLOWER (KEY 13) (KEY 13) FEMALE ADAP- GRAPHITE LAMINATE PACKING RING PACKING RING (KEY 7) (KEY 32) (KEY 7) KEY 6...
- Page 9 14 include, but are not limited to, For ENVIRO-SEAL and HIGH-SEAL packing: See ensuring that the bonnet stud threads the Fisher instruction manuals titled ENVIRO-SEAL are clean, and that the hex nuts are Packing System for Sliding-Stem Valves or evenly tightened to the specified HIGH-SEAL Live-Loaded Packing System (as torque values.
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Page 10: Trim Removal
Key numbers used in this procedure are shown in according to the Actuator Mounting procedure. After figure 12 for the EHD valve and in figure 13 for the the control valve is returned to service, retighten the EHT valve. -
Page 11: Lapping Seats
12 for the EHD valve and in figure 13 for the EHT valve. Key numbers referenced in this procedure are shown in figure 12 for the EHD valve and in figure 13 for the EHT valve. CAUTION A certain amount of leakage should be expected with metal-to-metal seating in any valve. - Page 12 Repeat the final torque value and if any nut For an EHD valve, if installing a new piston ring, the still turns, tighten every nut again. replacement piston ring will arrive in one piece. Use 9.
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Page 13: Retrofit: Installing Bore Seal Trim
CAGE SEATING AREA PLUG BORE SEAL FLOW UP VIEW A Figure 5. Fisherr EHD with Bore Seal Trim Retrofit: Installing Bore Seal Trim CAUTION Note To avoid leakage when the valve is returned to service, use appropriate Additional actuator thrust is required methods and materials to protect all for a valve with Bore Seal trim. - Page 14 Instruction Manual EH Valves (NPS 8 through 14) April 2009 FOR VALVE DIMENSIONS, INCHES PART PLUGS (See Drawing Below) NUMBER FITTING (To Order PORT SIZE A Tool) (Inches) 2.875 3.25 2.060 - 2.070 0.196 - 0.198 0.146 - 0.148 1.62 2.074 - 2.078 2.170 - 2.190 2.791 - 2.797...
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Page 15: Replacement Of Installed Bore Seal Trim
Instruction Manual EH Valves (NPS 8 through 14) April 2009 appropriate instructions in the Trim Replacement plug seal a predetermined permanent section of this manual. set. Once this is done, the plug/retainer assembly, the cage, and 7. Install piston rings by following instructions in the the seat ring become a matched set. -
Page 16: Lapping Metal Seats (Bore Seal Constructions)
Instruction Manual EH Valves (NPS 8 through 14) April 2009 DEFORM THREAD TO STAKE Bore Seal RETAINER INSTALLATION TOOL PISTON RING RETAINER Bore Seal METAL Bore Seal PLUG VALVE METAL SEAL PLUG PLUG VALVE SEAL PLUG HORIZONTAL REFERENCE SURFACE A6778 / IL FLOW DOWN FLOW DOWN A6779 / IL... -
Page 17: Trim Replacement (Bore Seal Constructions)
Instruction Manual EH Valves (NPS 8 through 14) April 2009 seal on the valve plug. A tool is RETAINER PISTON available as a spare part from Emerson RING Process Management or a tool could be manufactured following the CAGE dimensions given in figure 6. 3. -
Page 18: Actuator Mounting
5. Extend the actuator stem a distance equal to the Management should not, under any travel (as specified on the nameplate). circumstances, be used in any Fisher 6. Attach both halves of the stem connector, making valve, because they may void your... -
Page 19: Parts Kits
Instruction Manual EH Valves (NPS 8 through 14) April 2009 Parts Kits 207, 209, 211, 212, 214, 215, 216, 217, tag, and ENVIRO-SEALr Packing Retrofit Kits cable tie. Stems and packing box constructions that Retrofit kits include parts to convert existing packing do not meet Emerson Process Management stem to the ENVIRO-SEAL packing system. - Page 20 Instruction Manual EH Valves (NPS 8 through 14) April 2009 39B4153-A A6297-1 / IL Typical HIGH-SEAL ULF Packing System Typical ENVIRO-SEAL Packing System with PTFE Packing A6722 / IL 39B4612/A Typical ENVIRO-SEAL Packing System Typical ENVIRO-SEAL Packing System with Graphite ULF Packing with Duplex Packing Figure 10.
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Page 21: Parts List
Instruction Manual EH Valves (NPS 8 through 14) April 2009 35A3976-A / IL Figure 11. Bonnet Assembly Parts List Description Part Number Packing Flange Nut 127 mm (5-inch) yoke boss diameter (2 req’d) 178 mm (7-inch) yoke boss diameter Note (3 req’d) Packing Set See following table... - Page 22 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Keys 6, 7, 9, 12, 30, 31 and 32 Soft Packing Parts* VALVE STEM PACKING PACKING PART PART CONNECTION QUANTITY ARRANGEMENT NUMBER DESCRIPTION NUMBER Inches Packing set (includes keys 7, 30, 31 & 32) 1R290801012 Male Adapter 1H995701012...
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Page 23: Valve Assembly
Seat Ring Cap Screw See following tables CL2500 Piston Ring, graphite 316 stainless steel 15A4009X022 For all EHD valves (3 req’d) 416 stainless steel 15A4009X012 except those with Whisper Trim III For valve with Whisper Trim III cage cages NPS 8 and 10 valves... - Page 24 CONSTRUCTION COMPLETE VALVE SHOWING VALVE PLUG WITHOUT DIVERTER CONE 59A9172-A 59A9180-A / IL 59A9182-A / IL C0632-1 / IL WHISPER TRIM DIVERTER CONE DETAIL WHISPER TRIM LEVEL D DETAIL LEVEL A, B, OR C DETAIL Figure 12. Fisherr EHD Valve...
- Page 25 Instruction Manual EH Valves (NPS 8 through 14) April 2009 FLOW DIRECTION FOR ALL TRIMS EXCEPT THOSE WITH WHISPER TRIM III CAGES APPLY LUBRICANT VIEW B GASKET O-RING 59A9177-A / IL CONSTRUCTION CONSTRUCTION VIEW A COMPLETE VALVE SHOWING VALVE PLUG WITHOUT DIVERTER CONE 59A9186-A / IL 59A9184-A / IL 59A9178-A...
- Page 26 Anti-seize lubricant, Ethylene/propylene 19A9013X042 (not furnished with valve) Fluorocarbon 19A9013X032 Washer (12 req’d) NPS 12 and 14 valves Piston Ring, graphite (for EHD CL1500 valve with Level D Whisper Trim III Nitrile 19A9014X012 cage only) Ethylene/propylene 19A9014X042 NPS 8 and 10 valves...
- Page 27 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 2* Cage for Valve without Whisper Trimr III Cage MATERIAL VALVE CA6NM, Cr Ct 316 Stainless Steel VALVE CAGE SIZE, RATING CONSTRUCTION CA6NM To 427_C Above 427_C Cr Ct, ENC, for Sour for Standard Service Gas Service...
- Page 28 HEAT TREATED 420 CONNECTION VALVE SIZE, VALVE VALVE/PLUG SIZE STAINLESS STEEL For Use Only with RATING DESIGN For Service Above (EHD OR EHT) Cr Ct 316 121_C (250_F) Inches Stainless Steel Cage EHD w/o 31.8 1-1/4 35A3998X012 35A4001X012 35A4002X012 diverter cone 50.8...
- Page 29 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 3* Valve Plug for NPS 8 or 10 Fisherr EHD with Whisper Trimr III Cage VALVE VALVE RATING OPERATING STEM TEMPERATURE CONNEC- MATERIAL CL1500 CL2500 LIMITS TION mm Inches Level A, B, or C...
- Page 30 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 3* Valve Plug for NPS 12 or 14 Fisherr EHD with Whisper Trimr III Cage VALVE VALVE RATING OPERATING STEM TEMPERATURE CONNEC- MATERIAL CL1500 CL2500 LIMITS TION mm Inches Level A, B, or C...
- Page 31 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 3* Valve Plug for Fisherr EHT with Whisper Trimr III Cage VALVE VALVE RATING OPERATING STEM VALVE TEMPERATURE CONNEC- SIZE, MATERIAL CL1500 CL2500 LIMITS TION mm Inches Level A, B, or C Level D Level A, B, or C Level D...
- Page 32 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 4* Valve Plug Stem for NPS 8 or 10 Fisherr EHD or EHT Valve without Whisper Trimr III Cage VALVE MATERIAL TRAVEL STEM 17-4 316 Stainless Steel S20910 VALVE...
- Page 33 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 4* Valve Plug Stem for NPS 12 or 14 Fisherr EHD or EHT Valve without Whisper Trimr III Cage VALVE MATERIAL TRAVEL STEM 17-4 316 Stainless Steel S20910 VALVE...
- Page 34 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 4* Valve Plug Stem for Valve with Whisper Trimr III Cage MATERIAL STEM VALVE TRAVEL 17-4PH 316 Stainless Steel S20910 ACTUATOR VALVE DIAMETER SIZE, Stainless GROUP RATING Non- Non- Steel, H1150 Cr Ct Cr Ct...
- Page 35 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 6* Seat Ring and Key 7 Cap Screw for Valve with Gasket Construction and without Whisper Trimr III Cage MATERIAL KEY 7 CAP SCREW VALVE VALVE KEY 6 SIZE, Quantity Seat Ring Cap Screw...
- Page 36 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 6* Seat Ring and Key 7 Cap Screw for Valve with Gasket Construction and Whisper Trimr III Cage KEY 7 CAP SCREW VALVE MATERIAL VALVE KEY 6 SIZE, Quantity RATING SEAT RING Part Number...
- Page 37 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 6* Seat Ring and Key 7 Cap Screw for Valve with O-Ring Construction and without Whisper Trimr III Cage MATERIAL KEY 7 CAP SCREW VALVE VALVE KEY 6 SIZE, Quantity Seat Ring Cap Screw...
- Page 38 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Key 6* Seat Ring and Key 7 Cap Screw for Valve with O-Ring Construction and Whisper Trimr III Cage KEY 7 CAP SCREW VALVE MATERIAL VALVE KEY 6 SIZE, Quantity RATING SEAT RING Part Number...
- Page 39 Instruction Manual EH Valves (NPS 8 through 14) April 2009 Actuator Groups by Type Number Group 100 Group 406 127 mm (5-Inch) Yoke Boss 127 mm (5-Inch) Yoke Boss 667 MO 667-4 MO Group 407 127 mm (5-Inch) Yoke Boss 585C 585C 1008...
- Page 40 April 2009 Fisher, Whisper Trim, Cavitrol, and ENVIRO-SEAL are marks owned by one of the companies in the Emerson Process Management business division of Emerson Electric Co. Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co.