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Instruction Manual
Form 2376
March 2007
Design EWD, EWS, and EWT Valves
through NPS 12x8
Contents
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(C-seal Constructions)
(Stem/Bellows Assembly)
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W2777-2*/IL
Figure 1. NPS 12x6 EW Series Valve With
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Introduction
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Scope of Manual
This instruction manual includes installation,
maintenance, and parts information for NPS 4x2
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through 12x8 Design EWD, EWS, and EWT valves
(figure 1). Refer to separate manuals for instructions
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covering the actuator and accessories.
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Do not install, operate, or maintain a Design EW
26
valve without first D being fully trained and qualified
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in valve, actuator, and accessory installation,
operation, and maintenance, and D carefully reading
and understanding the contents of this manual. If
you have any questions about these instructions,
contact your Emerson Process Managementt sales
office before proceeding.
EW Valve
Type 667 Actuator
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Table of Contents
Related Manuals for Fisher EWS Series
Summary of Contents for Fisher EWS Series
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Page 1: Table Of Contents
........in valve, actuator, and accessory installation, operation, and maintenance, and D carefully reading and understanding the contents of this manual. If you have any questions about these instructions, contact your Emerson Process Managementt sales office before proceeding. www.Fisher.com... - Page 2 Instruction Manual Form 2376 EW Valve March 2007 Table 1. Specifications End Connection Styles Normally down Whisper Trim Cages: Always up Flanged Ends: CL300, CL600, or CL900 Cavitrol Cages: Always down Raised-face or ring-type joint flanges per ASME WhisperFlo Trim: Flow up (standard)—through B16.5 the seat ring and out through the cage orifices Buttwelding Ends: Styles per ASME B16.25...
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Page 3: Description
Instruction Manual Form 2376 EW Valve March 2007 W6825-1/IL Figure 2. Cutaway Detail of the WhisperFlor Trim, Valve Body Typical Note With C-seal trim, a balanced valve can achieve high-temperature, Class V shutoff. Because the C-seal plug seal is formed from metal (N07718 Neither Emerson, Emerson Process nickel alloy) rather than an elastomer, a valve Management, nor any of their affiliated... -
Page 4: Installation
Instruction Manual Form 2376 EW Valve March 2007 Table 2. Shutoff Classification Per ANSI/FCI 70-2 and IEC 60534-4 Valve Design Seating Shutoff Class Metal II (standard) III (optional for NPS 6x4 through 12x6 valves with optional single graphite piston ring or for NPS 10x8 and 12x8 valves with optional double piston rings) IV (optional for NPS 6x4 through 12x8 valves with optional multiple graphite piston rings) Metal... - Page 5 Instruction Manual Form 2376 EW Valve March 2007 Table 4. Approximate Weights VALVE SIZE, NPS 10X8 12X6 12X8 END CONNECTION END CONNECTION CL300 (flanged only) 1250 1102 1440 Flanged 1640 1590 1890 CL600 CL600 Buttwelding 1130 1160 1450 Flanged - - - - - - - - - - - -...
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Page 6: Inverted Globe Valve Applications
Instruction Manual Form 2376 EW Valve March 2007 initial re-adjustment. See Fisher instruction manuals, 4. Be aware that the cage and seat ring may not ENVIRO-SEAL Packing System for Sliding-Stem come out with the bonnet and plug/stem assembly. If Valves or HIGH-SEAL Live-Loaded Packing System this occurs, make provision to support these parts, (as appropriate), for packing instructions. -
Page 7: Packing Lubrication
This is necessary to Note ensure a good gasket seal because the used gasket may not seal properly. For valves with ENVIRO-SEAL live-loaded packing, see the Fisher instruction manual, ENVIRO-SEAL Packing Lubrication Packing System for Sliding-Stem Valves, Form 5306, for packing instructions. - Page 8 Instruction Manual Form 2376 EW Valve March 2007 UPPER WIPER UPPER WIPER (KEY 12) (KEY 12) PACKING PACKING FOLLOWER FOLLOWER (KEY 13) FEMALE (KEY 13) FEMALE ADAPTOR ADAPTOR PACKING RING PACKING RING WASHER (KEY 10) MALE MALE ADAPTOR ADAPTOR SPACER SPRING (KEY 8) (KEY 8)
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Page 9: Replacing Packing
Instruction Manual Form 2376 EW Valve March 2007 from the valve by unscrewing the yoke locknut (key UPPER WIPER 15, figure 21) or the hex nuts (key 26, figure 21). (KEY 12) 3. Loosen the packing flange nuts (key 5, figure 21) PACKING FOLLOWER so that the packing is not tight on the valve stem. - Page 10 Instruction Manual Form 2376 EW Valve March 2007 packing. Scratches or burrs could cause packing box PACKING FOLLOWER leakage or damage to the new packing. If the (KEY 13) surface condition cannot be improved by light GRAPHITE sanding, replace the damaged parts by following the RIBBON PACKING RING appropriate steps in the Trim Maintenance...
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Page 11: Trim Maintenance
Instruction Manual Form 2376 EW Valve March 2007 Table 5. Body-to-Bonnet Bolt Torque Guidelines BOLT TORQUES VALVE SIZE NPS VALVE SIZE, NPS LbfSft 6x4 or 8x4 CL300 or CL600 CL900 1315 10x8 12x6 CL300 or CL600 12x8 12x8 CL900 2712 2000 1. -
Page 12: Trim Removal
Instruction Manual Form 2376 EW Valve March 2007 OUTER PLUG INNER PLUG CAGE PROTECTED SOFT SEAT SEAT RING A7088 / IL Figure 7. TSO (Tight Shutoff Trim), Detail of Protected Soft Seat figure 24 for Design EWT constructions. Refer to The surface finish of the valve stem figures 26 and 27 for Cavitrol III, figure 27 for (key 7) is critical for making a good... -
Page 13: Lapping Metal Seats
Instruction Manual Form 2376 EW Valve March 2007 Whisper Trim III cage, remove the bonnet spacer (key 32) and bonnet gasket (key 10) on top of the spacer. Then on any construction with a cage retainer (key 31), remove the cage retainer and its associated gaskets. -
Page 14: Valve Plug Maintenance
Instruction Manual Form 2376 EW Valve March 2007 locked to the valve plug stem with nuts. Rotate the To install a new two-piece seal ring, apply a general handle alternately in each direction to lap the seats. purpose silicone-base lubricant to both the backup After lapping, remove the bonnet, and clean the seat ring and seal ring (keys 29 and 28). -
Page 15: Trim Replacement
Instruction Manual Form 2376 EW Valve March 2007 stem or adaptor with a new plug Table 7. Valve Stem to Plug Torque and Pin Replacement Data requires drilling a new pin hole in the stem (or adaptor in case an VALVE STEM STEM TORQUE, DRILL SIZE,... -
Page 16: Retrofit: Installing C-Sealt Trim
Instruction Manual Form 2376 EW Valve March 2007 FLOW DOWN FLOW UP VIEW A A6790 / IL Figure 9. Design EWD with C-sealt Trim alignment marks line up. This will ensure that the Retrofit: Installing C-seal Trim plug parts are metal to metal and the seal is compressed properly. - Page 17 Instruction Manual Form 2376 EW Valve March 2007 where the C-seal plug seal must be pressed into the CAUTION proper sealing position (figure 9). 2. Orient the C-seal plug seal for correct sealing Do not remove the existing valve stem action based on the process fluid flow direction from the valve plug unless you are through the valve.
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Page 18: Replacement Of Installed C-Seal Trim
Instruction Manual Form 2376 EW Valve March 2007 FOR VALVE DIMENSIONS, INCHES PART PLUGS (See Drawing Below) NUMBER FITTING FITTING (To Order (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... -
Page 19: Lapping Metal Seats (C-Seal Constructions)
Instruction Manual Form 2376 EW Valve March 2007 the stem. This drilling weakens the stem and may cause failure in service. However, a used valve plug may be INSTALLATION reused with a new valve stem. TOOL 2. Remove the plug/retainer assembly (with C-seal plug seal), cage, and seat ring from the valve body following the appropriate instructions in the Trim Removal section of this manual. -
Page 20: Remachining Metal Seats
Instruction Manual Form 2376 EW Valve March 2007 C-seal RETAINER RETAINER UPPER SEATING SURFACE C-seal METAL 0.020 INCH PLUG SEAL MACHINING OF THE UPPER SEATING SURFACE MUST VALVE PLUG CAGE EQUAL THE TOTAL MACHINING OF THE LOWER SEATING SUR- FACE (PLUG PLUS SEAT RING). UPPER SEATING SURFACE IF NOT, THE RETAINER MAY STRIKE THE UPPER SEATING... -
Page 21: Enviro-Sealr Bellows Seal Bonnet
Instruction Manual Form 2376 EW Valve March 2007 D The open interior of the C-seal plug seal must With full actuator force applied and the face down in a valve with flow-down construction valve plug fully seated, align the actuator travel indicator scale with the (figure 9). -
Page 22: Replacement Of An Installed Enviro-Seal
Instruction Manual Form 2376 EW Valve March 2007 the valve stem must not be rotated. Table 8. Recommended Torque for ENVIRO-SEALr Bellows Seal Bonnet Packing Flange Nuts Damage to the bellows may result. VALVE Do not grip the bellows shroud or MAXIMUM MINIMUM TORQUE VALVE... - Page 23 Instruction Manual Form 2376 EW Valve March 2007 UPPER WIPER (KEY 12) BUSHING (KEY 13) FEMALE ADAPTOR PACKING RING PACKING SET MALE ADAPTOR (KEY 6) SPACER (KEY 8) SPACER (KEY 8) THRUST RING (KEY 39) SPRING SPACER (KEY 8) (KEY 8) THRUST RING 12B4182–A/IL...
- Page 24 Instruction Manual Form 2376 EW Valve March 2007 BUSHING (KEY 13) GRAPHITE FILAMENT PACKING RING (KEY 7) GRAPHITE RIBBON PACKING RING (KEY 7) SPACER (KEY 8) 12B4181–A/IL 18A090–E/IL 12B6102–A/IL 9.5 mm 12.7 mm 12.7 mm (1/2 INCH) (3/8 INCH) (1/2 INCH) STEM, STEM, FOR NPS 3 STEM FOR NPS 2 VALVES...
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Page 25: Purging The Enviro-Seal Bellows Seal Bonnet
3. Install appropriate piping or tubing in the other Management should not, under any pipe plug connection to pipe away the purging fluid circumstances, be used in any Fisher or to make a connection to an analyzer for leak valve, because they will void your testing. -
Page 26: Parts Kits
Instruction Manual Form 2376 EW Valve March 2007 Parts Kits Gasket Kits Gasket Kits (includes keys 10, 12, 13, and 53; plus 11 and 14 for restricted trim) PART NUMBER VALVE SIZE, NPS –198 to 593_C (–325 to 1100_F) RGASKETX182 6x4x2.5 RGASKETX282 6x4 or 8x4... - Page 27 Instruction Manual Form 2376 EW Valve March 2007 HIGH-SEAL and ENVIRO-SEAL Packing ULF packing key numbers, and figure 20 for duplex packing key numbers. Retrofit Kits Stems and packing box constructions that do not Retrofit kits include parts to convert valves with meet Emerson Process Management stem finish existing standard bonnets to the HIGH-SEAL or specifications, dimensional tolerances, and design...
- Page 28 Instruction Manual Form 2376 EW Valve March 2007 STUD (KEY 200) SCREW HEX NUT (KEY 204) (KEY 212) PACKING LOAD FLANGE SCALE (KEY 201) (KEY 205) INDICATOR SPRING DISK (KEY 202) (KEY 206) PACKING RING PACKING (KEY 209) FOLLOWER (KEY 203) GRAPHITE RIBBON PACKING RING GUIDE...
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Page 29: Parts List
Instruction Manual Form 2376 EW Valve March 2007 Parts List Description Part Number ENVIRO-SEAL bellows seal spacer, N10276 Numerous available combinations of valve parts For single PTFE packing) make selection of some parts difficult; when ordering Size 4x2 w/ 12.7 mm (1/2 inch) stem (1 req’d) valve parts for which a part number is not listed, For double PTFE, graphite rib/fil packing... - Page 30 Instruction Manual Form 2376 EW Valve March 2007 Description Part Number Description Part Number ENVIRO-SEAL bellows seal stem/bellows ENVIRO-SEAL bellows seal bonnet gasket, assembly graphite/laminate 1 ply bellows Size 4x2 valve 12B6318X022 S31603 (316L SST) trim, N06625 Size 6x4x2.5, 6x4, & 8x4 valve 12B6320X022 bellows ENVIRO-SEAL bellows seal adaptor...
- Page 31 Instruction Manual Form 2376 EW Valve March 2007 30A9425–A/IL DETAIL OF 5 INCH (127 mm) YOKE BOSS ACTUATOR BOLTING AU3910–A/IL PLAIN BONNET 35A3976–A/IL DETAIL OF NPS 12x8 CL900 YOKE BOSS BOLTING APPLY LUB 42B3947–A/IL ENVIRO-SEAL BELLOWS SEAL BONNET CU3911–C/IL NOTE: STYLE 1 OR 2 PIPE PLUG (KEY 14) INCLUDED ONLY IF BONNET EXTENSION BONNET...
- Page 32 Instruction Manual Form 2376 EW Valve March 2007 Description Part Number Description Part Number Valve Plug Stem See following table Pin, S31600 (316 SST) Valve Body (figures 22 through 24) Design EWD or EWT 12.7 mm (1/2 inch) stem dia 1V322735072 19.1 mm (3/4 inch) stem dia 1V326035072...
- Page 33 Instruction Manual Form 2376 EW Valve March 2007 DETAIL OF MULTIPLE 57A3966-A/IL PISTON RING FOR CLASS IV SHUTOFF RESTRICTED TRIM DETAIL 30A9547-G/IL FLOW DIRECTION STD TRIM CAVITROL TRIM WHISPER TRIM VALVE ASSEMBLY WITH 41A9275–B/IL STANDARD CAGE Figure 22. Design EWD Valve through NPS 12x6...
- Page 34 Instruction Manual Form 2376 EW Valve March 2007 Description Part Number Description Part Number Pipe Plug for drain-tapped valve Backup Ring for Design EWT 2-piece seal ring Flow Arrow, SST w/o spring loading Drive screw, SST (6 req’d) Fluorocarbon Disk Retainer for PTFE-seat Design EWS or EWT Size 4x2 valve 1V550705292 Size 4x2 valve, S31600...
- Page 35 Instruction Manual Form 2376 EW Valve March 2007 FLOW DIRECTION CAVITROL TRIM STD TRIM WHISPER TRIM COMPLETE VALVE ASSEMBLY WITH METAL SEAT 31A9274-C/IL ELASTOMERIC SEAT DETAIL Figure 23. Design EWS Valve through NPS 12x6...
- Page 36 Instruction Manual Form 2376 EW Valve March 2007 FLOW DIRECTION STD TRIM WHISPER TRIM CAVITROL TRIM VIEW A VIEW A FLOW UP FLOW DOWN CORRECT SPRING LOADED SEAL 43A8590-B/IL 43A8590-B/IL RING ORIENTATION 22 TO 136.5 mm (1.875 TO 5.375 INCH) PORT DIAMETERS 43A8592-B/IL NPS 4x2 THROUGH 12x6 VALVE...
- Page 37 Instruction Manual Form 2376 EW Valve March 2007 RESTRICTED TRIM DETAIL FULL CAPACITY TRIM DETAIL FGM GASKETS ALSO MUST BE INSTALLED WHERE REQUIRED IN SEAT RING AREA PER FIGURE 10, 11, OR 12 A2713*/IL Figure 25. FGM Gasket Detail...
- Page 38 Instruction Manual Form 2376 EW Valve March 2007 FLOW DIRECTION 58A1012-B/IL 54A8146-B/IL VIEW A VIEW A NPS 8x6 THROUGH 12x6 NPS 4x2 THROUGH 8x4 VIEW A VALVES VALVES 58A1012-B/IL NPS 4x2 THROUGH 12x6 VALVES APPLY LUB 58A1015-A/IL NPS 12x8 VALVE NOTES: NOT REQUIRED ON NPS 8x6 AND 12x6 VALVES.
- Page 39 Instruction Manual Form 2376 EW Valve March 2007 FLOW DIRECTION VIEW A VIEW A 55A8886-A/IL NPS 12x8 VALVE 54A7497-B/IL NPS 4x2 THROUGH 12x6 VALVES APPLY LUB NPS 8x6 CL900 54A7495-A/IL VALVE GASKETING DETAIL Figure 27. NPS 4x2 Through 12x8 Valves with 2-Stage Cavitrolr III Cage...
- Page 40 Instruction Manual Form 2376 EW Valve March 2007 FLOW DIRECTION 30A9547-G/IL 52A3328-C/IL COMPLETE VALVE ASSEMBLY WITH WHISPER TRIM III CAGE AND SINGLE GRAPHITE PISTON RING Figure 28. Typical Design EWD Valve with Whisper Trimr III Cage...
- Page 41 Instruction Manual Form 2376 EW Valve March 2007 BONNET SPACER CAGE RETAINER WhisperFlo CAGE DISK RETAINER DISK DISK SEAT SEAT RING DESIGN EWT WITH DESIGN EWD CLASS IV SPRING-LOADED SEAL RING (METAL SEAT) (SOFT SEAT) BONNET SPACER CAGE RETAINER WhisperFlo CAGE DISK RETAINER DISK DISK SEAT...
- Page 42 Instruction Manual Form 2376 EW Valve March 2007 Key 2 Design EWD Valve Plug STEM DIA, mm (INCH) VALVE SIZE NPS VALVE SIZE, NPS MATERIAL MATERIAL 12.7 (1/2) 19.1 (3/4) 25.4 (1) 31.8 (1-1/4) Hardened S41600 (416 SST) 1V657546172 1V657646172 - - - - - - S31600 (316 SST)
- Page 43 Instruction Manual Form 2376 EW Valve March 2007 Key 2 Design EWS Valve Plug STEM DIA, mm (INCH) VALVE SIZE NPS VALVE SIZE, NPS MATERIAL MATERIAL 12.7 (1/2) 19.1 (3/4) 25.4 (1) 31.8 (1-1/4) Hardened S41600 (416 SST) 11A5214X012 11A5215X012 - - - - - - S31600 (316 SST)
- Page 44 Instruction Manual Form 2376 EW Valve March 2007 Key 2 Valve Plug for Design EWT with Two-Piece Seal Ring STEM DIA, mm (INCH) VALVE SIZE NPS VALVE SIZE, NPS MATERIAL MATERIAL 12.7 (1/2) 19.1 (3/4) 25.4 (1) 31.8 (1-1/4) Hardened S41600 (416 SST) 1V657546172 1V657646172 - - -...
- Page 45 Instruction Manual Form 2376 EW Valve March 2007 C-sealt Parts for Design EWD Valve (Keys 3*, 2*, 9*, 64*, 6*, and 7*) VALVE PORT STEM PLUG/ TRAVEL CAGE SEAT RING C-seal PISTON RING STEM SIZE RETAINER CHARACTER- CHARACTER- TRIM TRIM ISTIC Inch Inch...
- Page 46 Instruction Manual Form 2376 EW Valve March 2007 C-sealt Parts for Design EWD Valve (Keys 3*, 2*, 9*, 64*, 6*, and 7*) (continued) VALVE PORT STEM PLUG/ TRAVEL CAGE SEAT RING C-seal PISTON RING STEM SIZE RETAINER CHARACTER- CHARACTER- TRIM TRIM ISTIC Inch...
- Page 47 Instruction Manual Form 2376 EW Valve March 2007 C-sealt Parts for Design EWD Valve (Keys 3*, 2*, 9*, 64*, 6*, and 7*) (continued) VALVE PORT STEM PLUG/ TRAVEL CAGE SEAT RING C-seal PISTON RING STEM SIZE RETAINER CHARACTER- CHARACTER- TRIM TRIM ISTIC Inch...
- Page 48 Instruction Manual Form 2376 EW Valve March 2007 Key 3 Cage (except for Whisper Trimr III and Cavitrolr III constructions) CF8M Standard (316 SST), R30006 Valve Size, NPS Cage Style Stainless Electroless (Alloy 6) Steel Nickel Coating Quick-opening 2U223433272 2U740448932 2U223439102 Equal percentage 2U223733272...
- Page 49 Instruction Manual Form 2376 EW Valve March 2007 Actuator Groups (by Type Number) Group 1 Group 100 Group 403 Group 101 54 mm (2-1/8 inches), 127 mm (5 inches) 90.5 mm (3-9/16 inches) 127 mm (5 inches) 71 mm (2-13/16 inches) Yoke Boss Yoke Boss Yoke Boss...
- Page 50 Instruction Manual Form 2376 EW Valve March 2007 Key 7 Valve Stem (except for Cavitrolr III constructions) (continued) BONNET STEM DIA Style 2 ACTU- Plain Style 1 Extension Extension ATOR ATOR VALVE SIZE, NPS VALVE SIZE, NPS GROUP S31600 S31600 S31600 Inch S31600...
- Page 51 Instruction Manual Form 2376 EW Valve March 2007 Gasket Descriptions MATERIAL KEY NUMBER DESCRIPTION –198 TO 593_C (–325 TO 1100_F) Bonnet Gasket Cage Gasket Graphite/S31600 Graphite/S31600 Seat Ring or Liner Gasket Adapter Gasket Spiral-Wound Gasket N06600/Graphite Shim S31600 1. For all sizes except NPS 8x6 CL900 with Cavitrol III cages. Keys 10 , 11*, 12*, 13*, 14*, and 53* Gaskets and Shims To 593_C...
- Page 52 March 2007 Cavitrol, ENVIRO-SEAL, Whisper Trim, WhisperFlo, and Fisher are marks owned by Fisher Controls International LLC, a member of 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.
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