Emerson Fisher easy-e EW Instruction Manual
Contents
1. PEN 9 0 SN BONNET FOR 25 4 mm 1 IN STEM CL300 OR CL600 DOUBLE TAPPED EXTENSION 5 ALIA SEES TRV NS TEN TA N s ne RA 2 Z Z AWISYVVV VY Y ut dd P coo M 7 0024 Ae N ss BONNET FOR 19 1 mm 3 4 IN STEM YO 9 CL300 OR CL600 DOUBLE TAPPED EXTENSION DETAIL OF CL900 BONNET FOR 31 8 mm 1 1 4 IN STEM EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 Figure 7 Typical NPS 8 x 6 CL900 EWN Series Valve Body Assemblies EWND 1 PLUG DETAIL WHISPER TRIMO a 41 Ed LL san S RE D et E Pa Fh 7 ZW NZ 10 N i 77 2 dU 7 Z s 13 OMAN NOR E Ly FA 8 CAST 2 6 Za Z ILL i P MES Z APPLY LUB eae EWNT 1 VALVE WITH LEVEL D1 OR D3 CAGE Valve Body Assembly figure 7 10 Mor pene Key Description Part Number NPS 8 x 6 EWND 1 w Whisper Trim Ill cage all levels 2 req d 1 Valve Body Steam or nonoxidizing service to If you need a valve body as a replacement part order by valve 316 C 600 F 11A9727X012 size serial number and desired material Steam or nonoxidizing service to 2 Valve Plug See following tables 482 C 900 F or air or oxidizing 3 Cage Assembly or Cage Seat ser2. Double 1 Quantity req d 2 Special washer stainless steel for single only 0 1F125036042 1 1 2 EUN Packing Ring PTFE Composition 1E319101042 E 3 1F124201012 1H982401012 1H995801012 1F125637012 1D582937012 1D387437012 0N028435072 0U099735072 0W087135072 1H982236042 1D7518X0012 1H995936042 1D7520X0012 I Double PTFEJComposition Quantity req d Leak off Packing Lantern ring stainless steel 1 req d for double or 2 req d for leak off te 531600 acking box ring S17400 a a Upper wiper felt 11872806332 Packing follower 531600 1E944735072 0N028435072 0U099735072 0W087135072 1 873335072 1 873435012 1872906332 19982335072 1873535012 1873006332 19998435072 1 1 1 1 Key 2 EWD 1 EWS 1 or EWT 1 Valve Plug m S31600 W 531600 W SEAT amp GUIDE VALVE CAGE SEAT HARD HARD FACED w ALLOY 6 DESIGN STYLE 531600 FACEDWJALLOY 427 Over 427 C 6 CoCr A 8002 1 800 F Standard 21 5358 012 21A5358X022 21 5361 012 21 5364 012 21 5367 012 Level A B Whisper Trim Ill or C 36A4114X012 36A4111X012 lp EWS 1 Standard 21 5264 012 EE NEMO 21A5264X022 21A5267X012 21A5270X012 21A5273X012 21A5358X012 s 21 5358 022 21 5361 012 21 5364 012 EWT 1 36A4112X012 36A4113X012 Whisper Trim Ill or C 1 To 232 C 450 F for EWT 1 Recommended spare parts 21 EWN and E
3. To avoid such injury or damage provide a suitable overpressure protection device as required by local state and Federal codes and good engineering practices Check with your process or safety engineer for any additional measures that must be taken to protect against process media If installing into an existing application also refer to the WARNING at the beginning of the Maintenance section in this instruction manual CAUTION When ordered the valve configuration and construction materials were selected to meet particular pressure temperature pressure drop and controlled fluid conditions Responsibility for the safety of process media and compatibility of valve materials with process media rests solely with the purchaser and end user Since some valve body trim material combinations are limited in their pressure drop and temperature ranges do not apply any other conditions to the valve without first contacting your Emerson Process Management sales office If hoisting the valve the use of a nylon sling is recommended to protect the painted surfaces Also be careful to position the sling so there will be no damage to the tubing or any accessories 1 Before installing the valve inspect the valve body and associated equipment for any damage and any foreign material Make certain that the valve body interior is clean pipelines are free of foreign material and the valve is oriented so that pipeline flow is in the same direction as the
4. 17 4PH SST FOR ALL OTHER METAL PACKING METAL PACKING BOX PARTS BOX PART MATERIALS 81429 SINGLE ARRANGEMENT UPPER WIPER UPPER WIPER EIE S S PACKING FOLLOWER SEN SN 13 N KEY 13 NaN uni SEEN FEMALE A A k ik ADAPTOR KEY 31 X N ARAT TOR PA A a PACKING RING A PACKING RING KEY 7 AR eid fg zm AVS FEMALE IL ADAPTOR KEY 31 st ME poe 4 LANTERN Vee ZEB cili RING KEY 8 3 Eq RING KEY 8 NI EM EJ R A TTA FA A PACKING BOX A A PACKING BOX c E RING KEY 11 RING KEY 11 ELI EJ 55 2 ASSEMBLY 3 WIPER POSITIVE VACUUM POSITIVE KEY 30 e8 PRESSURES PRESSURES amp ids VACUUM LEAK OFF ARRANGEMENT FOR 19 1 mm DOUBLE ARRANGEMENT 3 4 IN STEM ONLY Replacing Packing A WARNING Observe the warning at the start of the Maintenance section 1 Disconnect the operating lines from the actuator and any leak off piping from the bonnet Disconnect the stem connector and then remove the actuator from the valve by unscrewing the yoke locknut key 15 figure 6 or the hex nuts key 26 figure 6 EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 Figure 4 Detail of PTFE Composition Packing Arrangements UPPER WIPER KEY 12 PACKING FOLLOWER KEY 13 PACKING RING KEY 7 LANTERN RING
5. 197 or 203 mm 5 3 8 7 3 4 or 8 inch Seat Rings ne DESIGN n NST GS MN ESL LIBI NL N GL Et SE SI SE RICE BI um Ses s 25 D 360 e CO 8 as 825 3250 65 275 85 330 Table 7 Removal Tool Required for Seat Ring Threaded to Valve Body For 172 mm 6 3 4 inch Seat Rings PIPE TO MACHINE ipiis rb icd mm E 6 6 3 32560 Valve Plug Maintenance Except where indicated key numbers in this section are referenced in figures 7 and 8 for EWN Series valve plugs andin figures 9 and 10 for EW 1 Series valve plugs CAUTION If replacing the valve plug piston ring or seal ring key 5 be careful not to scratch the surfaces of the ring groove in the valve plug or any of the surfaces of the replacement ring or the replacement ring may not seal properly 1 With the valve plug key 2 removed according to the Disassembly section proceed as appropriate For the EWD 1 or EWND 1 graphite piston ring the ring or rings can be easily removed since each ring is in two halves A new graphite piston ring is furnished as a complete ring and must be broken into two approximately equal portions Do this by placing the ring horizontally in a vise and applying pressure until the ring snaps An alternate method is to place the ring on edge on a smooth hard surface and strike the ring squarely with a hammer Be sure to match the broken ends when installing t
6. 31 8 mm 1 1 4 in stem dia Std service Sour gas service 8 Pin 531600 All except EWS 1 19 1 mm 3 4 in stem dia 25 4 mm 1 in or 31 8 mm 1 1 4 in stem dia EWS 1 w 31 8 mm 1 1 4 in stem dia only 9 Seat Ring EWD 1 EWS 1 or EWT 1 w std cage Heat treated CA6NM S31600 S31600 w seat hard faced w Alloy 6 CY40 EWD 1 or EWT 1 w Whisper Trim III cage Level A B or C Heat treated CAGNM S31600 w seat hard faced w Alloy 6 Level D Heat treated CAGNM S31600 w seat hard faced w Alloy 6 NPS 8x 6 EWND 1 or EWNT 1 S31600 w seat hard faced w Alloy 6 NPS 12x 8 CL600 EWND 1 Level A B or C cage S31600 w seat hard faced w Alloy 6 Level D cage S31600 w seat hard faced w Alloy 6 NPS 12 x 8 CL900 EWND 1 or EWNT 1 Level A B or C cage Heat treated CAGNM S31600 w seat hard faced w Alloy 6 Level D cage Heat treated CAGNM 531600 w seat hard faced w Alloy 6 July 2014 Part Number 11A3429X722 11A3429X112 1K747735162 11A3430X0142 11A3430X432 1V4641X00A2 11A3430X552 15 9152 022 15 9152 042 13A9942X042 13A9942X132 13A4764X1 12 13A4764X142 1V326035072 1V334035072 1K249838992 25A9300X022 25A9300X012 25A9301X012 25A9300X032 36A0584X012 36A4108X012 36A0582X012 36A0583X022 26A1135X022 35A9046X012 35A9021X012 35A9284X012 35A9285X012 35A9286X012 35A9287X012 17 Instruction Manual EWN and EW 1 Valves July 2014 D100400X012 Figure 8 Typical NPS 12 x 8 CL6
7. have any questions about these instructions contact your Emerson Process Management sales office before proceeding Description These single port globe style valves have cage quiding threaded seat rings metal to metal seating and push down to close valve plug action Additional details are given in tables 1 and 2 Specifications Typical specifications for these valves are shown in table 1 Some of the specifications for a given valve assembly as it was shipped from the factory appear on the actuator nameplate if the valve is part of a complete control valve assembly At EMERSON www Fisher com Process Management EWN and EW 1 Valves July 2014 Table 1 Specifications Instruction Manual D100400X012 Available Configurations and Valve Body Sizes See table 2 End Connection Styles Flanged Ends Styles per ASME B16 5 are CL300 600 or 900 W raised face or Bil ring type joint Buttwelding Ends Styles per ASME B16 25 are Schedule 40 or W 80 for all CL300 600 valves or Schedule W 80 100 or 120 for all CL900 valves Maximum Inlet Pressures and Temperatures and Pressure Drops Consistent with applicable CL300 600 or 900 pressure temperature ratings per ASME B16 34 but do not exceed the pressure temperature and pressure drop conditions specified when the valve was ordered Also see the Installation section Shutoff Classifications See table 3 Flow Characteristics Standard Cages W L
8. 00 EWN Series Valve Body Assemblies VIEW A aw cR E lt Z2 2 AC VIEW B Miri m A pec O CHC r 27 i MN jk L wo iti EM AN SN DR P uu Sees Z URP UR 1 7 7 2 24 A Z SS EWNT 2 VALVE WITH LEVEL A1 THROUGH C3 CAGE K 2 L APPLY LUB 55A9158 B TT OVER ET WOR s E21 Bu 17 N _ V qm EWND 1 TRIM DETAIL Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 Figure 9 NPS 12 x 8 CL900 EWS 1 Valve Body Assembly e ae SE 17 Z I5 L APPLY LUB 56A6324 B Key Description Part Number Key Description Part Number 10 Bonnet Gasket 13 Retaining Ring for use only w NPS 8 x 6 NPS 8 x 6 EWND 1 or EWNT 1 1 req d EWNT 1 Standard service silver plated 15 Stud Bolt N04400 11A8244X012 NPS 8 x 6 EWND 1 or EWNT 1 12 req d Sour gas service tin plated NPS 12x 8 CL600 EWND 1 or N04400 114 8244 032 EWNT 2 16 req d NPS 12x 8 EWD 1 EWND 1 NPS 12x 8 CL900 EWD 1 EWNT 1 EWNT 2 EWS 1 or EWT 1 EWND 1 EWNT 1 EWS 1 or EWT 1 12 req d to 427 C 800 F graphite 2 req d 10A3265X112 16 Stud Bolt Nut 11 Cage Gasket for use only w NPS 8 x 6 NPS 8 x 6 EWND 1 or EWNT 1 12 req d EWND 1 or EWNT 1 NPS 12 x 8 CL600 EWND 1 Standard service silver plated or EWNT 2 16 req d N04400 13A3183X022 NPS
9. 1 with Whisper Trim Ill cage only Seat ring threaded to valve body balanced valve plug with spring loaded seat ring Seat ring threaded to cage balanced valve plug spring loaded seal rings on both seat ring and valve plug Seat ring threaded to valve body unbalanced valve plug Seat ring threaded to valve body balanced valve plug with spring loaded seal ring Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 Table 3 Shutoff Classification Per ANSI FCI 70 2 and IEC 60534 4 EWD 1 or EWND 1 Metal Il standard IIl optional for CL300 or CL600 valves only EWND 1 IV optional with extra piston rings EWS 1 Metal IV standard V optional consult your Emerson Process Management sales office EWNT 1 EWNT 2 or EWT 1 IV standard Educational Services For information on available courses for the Fisher EWN series and EW 1 series valves as well as a variety of other products contact Emerson Process Management Educational Services Registration Phone 1 641 754 3771 or 1 800 338 8158 E mail education emerson com http www emersonprocess com education Installation Always wear protective gloves clothing and eyewear when performing any installation operations to avoid personal injury Personal injury or equipment damage caused by sudden release of pressure may result if the valve assembly is installed where service conditions could exceed the limits given in table 1 or on the appropriate nameplates
10. 12 x 8 CL900 EWD 1 Sour gas service tin plated EWND 1 EWNT 1 or EWT 1 12 req d N04400 13A3183X032 17 Anti seize lubricant not furnished 12 Backup Ring for use only w NPS 8 x 6 18 Flow Arrow EWNT 1 19 Drive Screw 18 8 SST 2 req d Recommended spare parts 19 Instruction Manual EWN and EW 1 Valves July 2014 D100400X012 Figure 10 NPS 12x 8 CL900 EWD 1 and EWT 1 Valve Body Assemblies VIEW A gt 2 ENG if Sees 2 Ay 25 2 4 IN 2 lt iw it or fp AN p5 HHX 708 151 ENN ES QUU D SS EWT 1 VALVE VA NNNM YW L APPLY LUB 56A6326 B EWD 1 PLUG DETAIL Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 Keys 6 7 8 10 11 12 13 30 31 and 32 Packing Box Parts DESCRIPTION KEY STEM DIAMETER mm INCHES 19 1 3 4 31 8 1 1 4 Single packing set PTFE NS 1R290401012 Packing ring PTFE 1C752801012 Quantity req d B Lower wiper PTFE 1872306992 Male adaptor PTFE 1 req d for single or PTFE 2 req d for double or leak off 1 See ee 2 O 1R290601012 1C752901012 1R290801012 1D387601012 1872406992 1 872506992 1 982501012 1 995701012 V Ring Packing Female adaptor PTFE 1 req d for single or 2 req d for double or leak off Spring stainless steel for single only Lantern ring stainless steel for double or leak off only 1 2
11. CAUTION Do not lubricate graphite packing Graphite packing is self lubricated Additional lubrication may result in slip stick movement of the valve Ul EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 A WARNING To avoid personal injury or property damage resulting from fire or explosion do not lubricate packing used in oxygen service or in processes with temperatures over 260 C 500 F If a lubricator or lubricator isolating valve figure 2 is provided for PTFE composition or other packings that require lubrication it will be installed in place of the 1 4 NPT pipe plug key 14 figure 6 Use a silicon base lubricant Packing used in oxygen service or in processes with temperatures over 260 C 500 F should not be lubricated To operate the lubricator turn the cap screw clockwise to force the lubricant into the packing box The lubricator isolating valve operates the same way except the isolating valve must first be opened and then closed after lubrication is completed Packing Maintenance This section covers only PTFE V ring and PTFE composition packing Refer to a separate manual for graphite laminate filament packing if used Key numbers refer to figure 3 for PTFE V ring packing and to figure 4 for PTFE composition packing unless otherwise indicated For spring loaded single PTFE V ring packing the spring key 8 figure 3 maintains a sealing force on the packing If leakage is noted around the packing follower
12. EWD 1 EWS 1 or EWT 1 w 31 8 mm 1 1 4 in stem dia only For 585C Series or 657 667 or 1008 actuator used w std cage For 585C Series actuator used w Whisper Trim Ill cage NPS 8 x 6 EWND 1 or EWNT 1 19 1 mm 3 4 in stem dia For 102 mm 4 in max travel W 585C Series actuator w o handwheel and all657 657 4 667 667 4 amp 1008 actuators W 585C Series actuator w handwheel For 127 mm 5 in max travel w 585C Series actuator 25 4 mm 1 in stem dia For 102 mm 4 in max travel W 667 amp 667 4 actuators w o handwheel W 657 657 4 667 amp 667 4 actuators w handwheel Recommended spare parts 10A3262X032 15A9019X032 10A5411X022 10A3261X012 13A1239X012 15A9044X012 11A3430X592 11A3430X092 10A9265X592 10A9265XF72 10A9265X882 11A3429X102 1K7891X0012 EWN and EW 1 Valves Key Description W 657 actuator w o handwheel and 585C Series actuators for use w sliding stem valves For 127 mm 5 in max travel w 585C Series actuator 31 8 mm 1 1 4 in stem dia For 102 mm 4 in max travel W 667 amp 667 4 actuators w o handwheel W 657 657 4 667 amp 667 4 actuators w handwheel W 657 actuator w o handwheel and all 585C Series Sliding stem actuators For 127 mm 5 in max travel W 585C Series actuators NPS 12 x 8 CL900 EWND 1 or EWNT 1 NPS 12 x 8 CL600 EWND 1 or EWNT 2 19 1 mm 3 4 in stem dia Std service Sour gas service 25 4 mm 1 in stem dia Std service Sour gas service
13. Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 Fisher EWN Series and EW 1 Series Valves Contents Figure 1 Fisher EWNT 2 NPS 12 x 8 EWNT 2 Valve 1 with Typical Actuator Scope of Manual 1 DescrpbolT aa 1 Specifications 1 Educational Services 3 installation icio papa dra e hd 3 Mali TtelleliCe 5 Packing Lubrication 5 Packing 6 TUM REMOVA i see ye es es ES 10 Lapping Seating Surfaces 11 Valve Plug Maintenance 12 Parts Ordering s exce eoe ODE OI EVE 14 TEC 14 Introduction Scope of Manual This instruction manual includes installation maintenance and parts information for Fisher NPS 8 x 6 and 12x 8 EWN Series and EW 1 Series valves figure 1 Refer to separate manuals for instructions covering the actuator and accessories Do not install operate or maintain an EWN or EW 1 Series 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
14. KEY 8 PACKING BOX RING KEY 11 N 1 1 Meo s 12 8165 19 1 0R25 4mm 31 8 mm TYPICAL 3 4 OR 1 IN 1 1 4 IN DOUBLE STEMS STEMS ARRANGEMENT LEAK OFF ARRANGEMENT 2 Loosen the packing flange nuts key 5 figure 6 so that the packing is not tight on the valve stem Remove any travel indicator parts and stem locknuts from the valve stem threads CAUTION When lifting the bonnet key 1 figure 6 be sure that the valve plug and stem assembly remains in the valve and on the seat This will avoid damage to the seating surfaces as a result of the assembly dropping from the bonnet after being lifted part way out The parts are also easier to handle separately 3 Unscrew the hex nuts key 16 figure 7 through 10 that bolt the bonnet and valve body together and carefully lift the bonnet off the valve stem 4 If the valve plug and stem assembly starts to lift with the bonnet use a brass or lead hammer on the end of the stem and tap it back down Set the bonnet on a protective surface to prevent damage to the bonnet gasket surface 5 Remove the bonnet gasket key 10 figure 7 through 10 and cover the opening in the valve body to protect the gasket surface and prevent foreign material from getting into the valve body cavity 6 Remove the packing flange nuts packing flange upper wiper and packing follower keys 5 3 12 and 13 figure 6 Carefully push out all the remaining packing parts from the valve body si
15. UTION Ifthe packing is to be reused and was not removed from the bonnet use care when installing the bonnet to avoid damaging the packing with the valve stem threads 5 Mount the bonnet on the valve body and complete assembly according to steps 9 through 13 of the Replacing Packing section omitting steps 10 and 11 if new packing is not being installed and being sure to observe the note prior to step 9 EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 Parts Ordering Each valve body bonnet assembly is assigned a serial number which can be found on the valve body This same number also appears on the actuator nameplate when the valve is shipped from the factory as part of a control valve assembly Refer to the serial number when contacting your Emerson Process Management sales office for technical assistance When ordering replacement parts refer to the serial number and to the 11 character part number for each part required from the following parts list WARNING Use only genuine Fisher replacement parts Components that are not supplied by Emerson Process Management should not under any circumstances be used in any Fisher valve because they may void your warranty might adversely affect the performance of the valve and could cause personal injury and property damage Pa rts Li st Key Description Part Number 6 Single PTFE V Ring Packing Set See following table 7 Individual Packing Ring See following table Note 8 P
16. W 1 Valves July 2014 Instruction Manual D100400X012 Key 2 EWND 1 Valve Plug STEM DIA WHISPER TRIM III CAGE LEVEL 531600 W SEAT amp GUIDE HARD FACED w ALLOY 6 To 427 C Over 427 C 800 F 800 F 26A2980X012 26A2987X012 26A2985X012 26A2989X012 25A4126X012 25A8794X012 35A9657X012 25A9026X012 25A9016X012 35A9658X012 25A9027X012 25A9017X012 35A9659X012 25A9028X012 25A9018X012 VALVE SIZE NPS Sla 26A2986X012 26A2988X012 25A8795X012 UJ C 35A9659X012 25A9028X012 25A9018X012 HEAT TREATED 31600 W SEAT amp GUIDE CA6NM HARD FACED w ALLOY 6 C A Or D A Or D A Or D A Or D 541600 VALVE DESIGN NPS8X6 EWNT 1 A B or D A B C or D A B C or D 22A3307X032 22A3310X032 25A4104X012 35A9656X012 25A9025X012 25A9004X012 22A3309X012 22A3312X012 25A4109X012 35A9839X012 25A9837X012 25A9834X012 NPS 12x8 EWNT 1 5 12x8 EWNT 2 35A9838X01 2 1 25A9835X012 25A9832X012 35A9840X01 2 25A9836X012 35A9654X012 25A9023X012 25A9002X012 35A9655X012 25A9024X012 25A9003X012 35A9656X012 31 8 25A9025X012 25A9004X012 1 1 1 1 25A9833X012 35A9839X012 25A9837X012 25A9834X012 1 For sour gas service 22 Recommended spare parts Instruction Manual D100400X012 EWN and EW 1 Valves July 2014 23 EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 Neither Emerson E
17. acking Box Spring or Lantern Ring See following table 10 Special Washer See following table Part numbers are shown for recommended spares only For part 11 Packing Box Ring See following table numbers not shown contact your Emerson Process Management sales I omes 12 Upper Wiper See following table 13 Packing Follower See following table 14 Packing Box Pipe Plug 14 Packing Box Lubricator steel 440 SST 14 Packing Box Lubricator Isolating Valve Assy Cd pl steel 15 Yoke Locknut for 19 1 mm 3 4 in stem dia bonnet Bo et Asse I b ly 16 Pipe Plug for double tapped bonnet 25 Cap Screw for 25 4 mm 1 in or 31 8 mm 1 1 4 in fi g ure 2 3 4 6 stem dia bonnet steel 8 req d Key Description Part Number 26 Hex Nut for 25 4mm 1 in or 31 8 mm 1 1 4 in stem dia bonnet pl steel 8 req d 1 Bonnet 27 Pipe Nipple for use only w lube iso valve If you need a bonnet order by valve size and stem 30 Lower Wiper See following table diameter serial number and desired material 31 Male Adaptor See following table 5 Packing Flange Nuts 2 req d 32 Female Adaptor See following table 14 Recommended spare parts July 2014 EWN and EW 1 Valves Instruction Manual Figure 6 Typical Bonnet Assemblies D100400X012 GIO 8 8 8 O 9 C7 Z 4 LU cpu 777 M 7 Z BSEC mtis VM RN Y 4 000 6 0 S
18. alve plug may make it seem unduly loose when in the groove but it will contract to its original size after insertion into the cage Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 CAUTION Never reuse an old stem with a new valve plug Using an old stem with a new plug requires drilling a new pin hole in the stem This weakens the stem and may cause it to fail in service However a used valve plug may be reused with a new stem 2 Toreplace the valve stem key 7 on all designs drive out the pin key 8 and unscrew the stem from the valve plug 3 Tightly turn in the new stem then refer to table 5 to select the proper drill size Drill through the stem using the hole in the valve plug as a guide Remove any chips or burrs and drive in a new pin to lock the assembly Trim Replacement Except where indicated key numbers are referenced in figures 7 and 8 for EWN Series constructions and in figures 9 and 10 for EW 1 Series constructions 1 With an EW 1 or EWN 1 Series construction lubricate the threads of the seat ring key 9 with anti seize lubricant and then install the seat ring into the valve body according to figure 5 Engage the seat ring lugs with the grooved end of the tool and then secure the seat ring by slipping a suitable length of pipe through the hole in the other end to provide leverage For NPS 8x6 valves tighten to 6800 Nem 5000 Ibfeft For NPS 12x8 valves tighten to 10 800 Nem 8000 Ibfeft 2 With a
19. arrow on the side of the valve body EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 2 The control valve assembly may be installed in any orientation unless limited by seismic criteria However the normal method is with the actuator vertical above the valve Other positions may result in uneven valve plug and cage wear and in improper operation With some valves the actuator may also need to be supported when it is not vertical For more information consult your Emerson Process Management sales office Figure 2 Lubricator and Lubricator Isolating Valve Key 14 gt LUBRICATOR ISOLATING VALVE A0832 1 Note If the valve being installed has a Whisper Trim cage with small internal flow passages consideration should be given to installing an upstream strainer to prevent the lodging of particles in these passages This is especially important if the pipeline cannot be thoroughly cleaned or if the flowing medium is not clean 3 Use accepted piping and welding practices when installing the valve in the line Internal elastomeric parts may stay in place during the welding procedure For flanged valves use a suitable gasket between the valve body and pipeline flanges CAUTION Depending on valve body materials used post weld heat treating may be required If so damage to internal elastomeric and plastic parts as well as internal metal parts is possible Shrunk fit pieces and t
20. de of the bonnet using a rounded rod or other tool that will not scratch the packing box wall Clean the packing box and the metal packing parts 7 Inspect the valve stem threads and packing box surfaces for any sharp edges that might cut the packing Scratches or burrs could cause packing box leakage or damage to the new packing If the surface condition cannot be improved by light sanding replace the damaged parts 8 Remove the covering protecting the valve body cavity and install a new bonnet gasket key 10 figure 7 through 10 making sure the gasket seating surfaces are clean and smooth Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 Table 4 Valve Body to Bonnet Bolt Torque Guidelines BOLT TORQUES 2 FOR FIELD LUBRICATED BOLTING VALVE SIZE NPS em ber 12x8 CL900 with steel or alloy steel bolting 2440 1800 CL900 with stainless steel bolting 2712 2000 1 For other materials contact your Emerson Process Management sales office for torques 2 Determined from laboratory tests Note Proper performance of the tightening procedures in step 9 compresses the outer edge of the bonnet gasket key 10 figure 7 through 10 enough to seal the valve body to bonnet joint The bolting procedures in step 9 include but are not limited to ensuring that bolting threads are clean and evenly tightening the hex nuts onto the studs in a crisscross pattern Because of the boltup characteristics of the bonnet gasket tighten
21. essures and application service conditions The bolt torques in table 4 may be used as guidelines unless accepted bolting procedures dictate otherwise 10 Install new packing and the metal packing box parts according to the appropriate arrangement in figure 3 or 4 Place a smooth edged pipe over the valve stem and gently tap each soft packing part into the packing box being sure that air is not trapped between adjacent soft parts 11 Slide the packing follower upper wiper and packing flange keys 13 12 and 3 figure 6 into position Lubricate the packing flange studs key 4 fiqure 6 and the faces of the packing flange nuts key 5 figure 6 Replace the packing flange nuts 12 For spring loaded PTFE V ring packing tighten the packing flange nuts until the shoulder on the packing follower key 13 figure 6 contacts the bonnet For other packing types tighten the packing flange nuts far enough to stop leakage under operating conditions EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 13 Mount the actuator on the valve body assembly and reconnect the actuator and valve stem according to the procedure in the appropriate actuator instruction manual Check for leakage around the packing follower when the valve is being put into service Retighten the packing flange nuts as required Trim Removal A WARNING Observe the warning at the start of the Maintenance section Except where indicated key numbers in this sect
22. f the valve Replace or repair trim parts according to the following Lapping Seating Surfaces or Valve Plug Maintenance procedures as appropriate Lapping Seating Surfaces Seating surfaces of the valve plug seat ring keys 2 and 9 figure 7 through 10 can be lapped for improved shutoff Deep nicks should be machined out rather than ground out Use a commercial lapping compound or a mixture of 600 grit carborundum and solidified vegetable oil Assemble the valve to the extent that the cage or cage assembly is in place and the bonnet bolted to the valve A simple handle can be made from a piece of strap iron locked to the valve plug stem with nuts Rotate the handle alternately in each direction to lap the seats After lapping remove the bonnet and clean the seat surfaces Completely assemble the valve as described in the Trim Replacement section and test the valve for shutoff Repeat the lapping procedure if leakage is still excessive Figure 5 Removal Tool Required for Seat Ring Threaded to Valve Body also see tables 6 and 7 1 75 44 5 INCH mm FOR 136 197 OR 203 mm 5 3 8 7 3 4 OR 8 INCH SEAT RINGS 2 75 69 9 MIN 3 00 76 2 pe RA Lus INCH mm 36A9660 B B1464 FOR 172 mm 6 3 4 INCH SEAT RINGS EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 Table 6 Removal Tool Required for Seat Ring Threaded to Valve Body For 136
23. he ring in the valve plug groove For the EWT 1 EWNT 1 or EWNT 2 spring loaded seal ring the ring used on the valve plug for an NPS 8 x 6 valve body may be removed undamaged by first working the retaining ring key 13 off with a screwdriver Then carefully slide the metal backup ring key 12 and seal ring key 5 off the valve plug key 2 The spring loaded seal ring used on the valve plug for an NPS 12 x 8 valve body must be carefully pried and or cut from its groove Therefore it cannot be reused A spring loaded seal ring must be installed so that its open side faces toward either the top or the bottom of the valve plug depending on flow direction as shown in view A of figure 7 8 or 10 To install a spring loaded seal ring on the valve plug for an NPS 8 x 6 valve body slide the seal ring key 5 onto the valve plug followed by the metal backup ring key 12 Then install the retaining ring key 13 by inserting one end in the groove and while turning the plug press the ring into the groove Again be careful not to scratch any surfaces of the ring or plug To install the seal ring on the valve plug for an NPS 12 x 8 valve body lubricate it with a general purpose silicone base lubricant Then gently stretch the seal ring and work it over the top edge of the valve plug The PTFE material in the seal ring must be permitted time to cold flow during stretching procedure so avoid jerking sharply on the ring Stretching the seal ring over the v
24. hreaded connections may also loosen In general if post weld heat treating is to be performed all trim parts should be removed Contact your Emerson Process Management sales office for additional information 4 With a leak off bonnet construction remove the 1 4 NPT pipe plugs keys 14 and 16 figure 6 to hook up the leak off piping If continuous operation is required during inspection or maintenance install a three valve bypass around the control valve assembly 5 If the actuator and valve are shipped separately refer to the appropriate actuator instruction manual for the actuator mounting procedure Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 WARNING Personalinjury could result from packing leakage Valve packing was tightened before shipment however the packing might require some readjustment to meet specific service conditions Check with your process or safety engineer for any additional measures that must be taken to protect against process media Maintenance Valve parts are subject to normal wear and must be inspected and replaced as necessary Inspection and maintenance frequency depends on the severity of service conditions This section includes instructions for packing lubrication packing replacement trim maintenance and lapping seating surfaces All maintenance operations may be performed with the valve body in the line A WARNING Avoid personal injury or damage to property from sudden re
25. inear W quick opening equal percentage Whisper Trim Cages Linear except equal percentage for first 38 1 mm 1 5 inch of travel with level D cage for NPS 8 x 6 valve Flow Directions EWS 1 with Standard Cage Normally up All Others with Standard Cages Normally down Whisper Trim Cages Always up Valve Plug Travels See table 2 Approximate Weights NPS 8 x 6 CL900 Valve Body Flanged Ends 839 kg 1850 Ib Buttwelding Ends 703 kg 1550 Ib NPS 12x8 Valve Body CL300 Flanged Ends Only 721 kg 1590 Ib CL600 Flanged Ends 930 kg 2050 Ib CL600 Buttwelding Ends 726 1600 Ib CL900 Flanged Ends 1497 kg 3300 Ib CL900 Buttwelding Ends 1293 kg 2850 Ib Additional Specifications For specifications such as materials cage levels and stem diameters refer to the Parts List section 1 The pressure or temperature limits in this manual and any applicable standard limitations should not be exceeded Table 2 Available Configurations EWD 1 with standard cage VALVE VALVE PRESSURE SIZE PLUGTRAVEL VALVE BODY DESIGN amp CAGE STYLE DESCRIPTION CL300 600 or CL300 600 or EE 76 3 5 203 203 76 3 76 3 EWNT 1 with Whisper Trim cage only EWNT 2 with Whisper Trim cage only EWS 1 with standard cage only EWT 1 with standard cage EWT 1 with Whisper Trim III cage EWD 1 with Whisper Trim Ill cage Seat ring threaded to valve body balanced valve plug with piston ring EWND
26. ing one nut may loosen an adjacent nut Repeat the crisscross tightening pattern several times until each nut is tight and the valve body to bonnet seal is made When the operating temperature has been reached perform this torquing procedure once again Note Stud s and nut s should be installed such that the manufacturer s trademark and material grade marking is visible allowing easy comparison to the materials selected and documented in the Emerson Fisher serial card provided with this product WARNING Personal injury or damage to equipment could occur if improper stud and nut materials or parts are used Do not operate or assemble this product with stud s and nut s that are not approved by Emerson Fisher engineering and or listed on the serial card provided with this product Use of unapproved materials and parts could lead to stresses exceeding the design or code limits intended for this particular service Install studs with the material grade and manufacturer s identification mark visible Contact your Emerson Process Management representative immediately if a discrepancy between actual parts and approved parts is suspected 9 Lubricate the stud bolts key 15 figure 7 through 10 with anti seize lubricant slide the bonnet over the stem and onto the bolts and secure with the stud bolt nuts key 16 figure 7 through 10 using accepted bolting procedures during tightening so that the valve body to bonnet joint will withstand test pr
27. ion are referenced in figures 7 and 8 for EWN Series constructions and in figures 9 and 10 for EW 1 Series constructions 1 Remove the actuator and the bonnet according to steps 1 through 5 of the Replacing Packing section CAUTION When lifting the valve plug stem key 7 and attached valve plug key 2 out of the valve body be certain that the cage or cage assembly key 3 remains in the valve body key 1 This is to prevent damage caused by the cage or cage assembly dropping back into the valve body after being lifted part way out Use care to avoid damaging gasket sealing surfaces Any damage to the gasket sealing surfaces could cause the valve to leak The graphite piston ring key 5 in EWD 1 or EWND 1 valve body is brittle and in two pieces Use to avoid damage to the piston ring caused by dropping or rough handling The surface finish of the valve stem key 7 is critical for making a good packing seal The inside surface of the cage or cage assembly key 3 is critical for smooth operation of the valve plug and for making a seal with the piston ring or seal ring key 5 The seating surfaces of the valve plug key 2 and seat ring key 9 are critical for tight shutoff Protect these parts accordingly while disassembling the trim Table 5 Pin Replacement VALVE STEM CONNECTION VSC DRILL SIZE INCH o mds 005 18 1 1 4 1 1 4 1 4 2 Packing parts can be removed if desired Replace these parts as described i
28. key 13 figure 3 check to be sure the shoulder on the packing follower is touching the bonnet If the shoulder is not touching the bonnet tighten the packing flange nuts key 5 figure 6 until the shoulder is against the bonnet If leakage cannot be stopped in this manner proceed to the Replacing Packing section If there is undesirable packing leakage with other than spring loaded packing first try to limit the leakage and establish a stem seal by tightening the packing flange nuts If the packing is relatively new and tight on the stem and if tightening the packing flange nuts does not stop the leakage it is possible that the valve stem is worn or nicked so that a seal cannot be made The surface finish of a new valve stem is 0 1 micro meter 4 micro inches rms If the leakage comes from the outside diameter of the packing it is possible that the leakage is caused by nicks or scratches around the packing box wall If performing any of the following procedures inspect the valve stem and packing box wall for nicks and scratches Adding Packing Rings When using packing with a lantern ring key 8 figure 3 or 4 itis possible to add packing rings above the lantern ring as a temporary measure without removing the actuator from the valve body 1 Remove the packing flange nuts key 5 figure 6 and lift the packing flange and follower keys 3 and 13 figure 6 away from the valve body 2 It may be possible to dig out the old packing rings
29. lease of pressure or uncontrolled process fluid Before starting disassembly e Do not remove the actuator from the valve while the valve is still pressurized e Always wear protective gloves clothing and eyewear when performing any maintenance operations to avoid personal injury e Disconnect any operating lines providing air pressure electric power or a control signal to the actuator Be sure the actuator cannot suddenly open or close the valve e Use bypass valves or completely shut off the process to isolate the valve from process pressure Relieve process pressure from both sides of the valve Drain the process media from both sides of the valve e Ventthe pneumatic actuator loading pressure and relieve any actuator spring precompression e Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment e The valve packing box may contain process fluids that are pressurized even when the valve has been removed from the pipeline Process fluids may spray out under pressure when removing the packing hardware or packing rings or when loosening the packing box pipe plug e Check with your process or safety engineer for any additional measures that must be taken to protect against process media Note Whenever a gasket seal is disturbed by removing or shifting gasketed parts a new gasket should be installed upon reassembly This is necessary to ensure a good gasket seal Packing Lubrication
30. merson Process Management nor any of their affiliated entities assumes responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any product remains solely with the purchaser and end user Fisher and Whisper Trim are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co All other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or quarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Marshalltown lowa 50158 USA Sorocaba 18087 Brazil Chatham Kent ME4 4QZ UK Dubai United Arab Emirates Singapore 128461 Singapore wwwfishercom CEM ERSON Process en L 1981 2014 Fisher Controls International LLC All rights reserved ki a ip a eggs M rc EE
31. n EWNT 2 construction turn the seat ring into the cage with a bar inserted through the seat ring slots Tack weld the seat ring to the cage using minimal heat Two welds 6 mm 1 4 inch long and 180 degrees apart are required Install the seat ring seal ring key 6 so that its open side faces along the valve stem as shown in view B of figure 8 Lubricate the seal ring with a general purpose silicone base lubricant and place it over the bottom end of the seat ring Start the ring in the groove on one side of the seat ring and gently work it over the seat ring 3 Install a bonnet gasket key 10 or the cage gasket if used key 11 into the valve body Temporarily install screws or bolts into the tapped holes in the top of the cage or cage assembly key 3 to help while installing this piece into the valve body Any rotational orientation of the cage or assembly with respect to the valve body is acceptable Use care to avoid damaging the seat ring seal ring and cage seating surfaces while handling the heavy parts To help insert the cage or assembly into the valve body lubricate the outside diameter of the seat ring seal ring if used or the cage seat ring seating surfaces with a general purpose silicone base lubricant 4 Slide the valve plug key 2 and stem assembly into the cage Make sure the valve plug piston ring or seal ring key 5 is evenly engaged in the entrance chamfer at the top of the cage or cage assembly to avoid damaging the ring CA
32. n the Packing Replacement section 3 Lift the valve plug and stem assembly out of the valve body and set it on a protective surface If the valve plug is to be reused protect the valve plug seating surface to prevent scratches 4 Install screws or bolts into the tapped holes in the top of the cage or cage assembly and carefully lift it out of the valve body Remove the associated gaskets key 10 and if used key 11 5 The EWNT 2 valve body has a seat ring seal ring key 6 Inspect this seal ring and remove it if replacement is necessary The EWNT 2 seat ring is screwed into the cage and secured with two tack welds one on each side of the cage The seat ring can be removed by grinding or filing off the tack welds and then inserting a bar through slots cut in the seat ring to turn it out of the cage 6 To remove the seat ring key 9 from an EW 1 or EWN 1 Series valve use a seat ring removal tool made as shown in figure 5 Use a piece of pipe of the indicated size and schedule machine as appropriate and then weld a collar of the indicated dimensions around the pipe Engage the seat ring lugs with the 44 5 mm 1 3 4 inch groove of the tool and then remove the seat ring by slipping a suitable length of pipe through the 76 2 mm 3 inch diameter hole in the other end of the tool to provide leverage EWN and EW 1 Valves Instruction Manual July 2014 D100400X012 7 Inspect parts for wear or damage that would prevent proper operation o
33. on top of the lantern ring but use care to avoid scratching the valve stem or packing box wall Clean all metal parts to remove particles that would prevent the packing from sealing 3 If split ring packing is being added spread the rings over the stem and slide the rings into the packing box If solid ring packing is being added remove the stem connector and slip the rings over the end of the valve stem 4 Replace the packing flange and packing follower Tighten the packing flange nuts key 5 figure 6 only far enough to stop leakage under operating conditions 5 If the valve actuator stem connection was taken apart reconnect according to the appropriate actuator instruction manual 6 Check for leakage around the packing follower when the valve is being put into service Retighten the packing flange nuts as required Instruction Manual EWN and EW 1 Valves D100400X012 July 2014 Figure 3 PTFE V Ring Packing Arrangements UPPER WIPER UPPER WIPER lt KEY 12 ee NI TS N PACKING FOLLOWER KEY 13 FEMALE N LN KEY 13 ADAPTOR FEMALE PR 94 ADAPTOR piv X D PACKING RING PACKING A A A RING a a WASHER P MALE 7 g KEY 10 ADAPTOR f x SPACER KEY 8 SPRING PACKING E KEY 8 SET KEY 6 P 7 PACKING PACKING BOX RING KEY 11 Z KEY l LOWER LOWER ty WIPER WIPER FOR 316 OR
34. vice to 427 C 800 F 11A9727X022 Ring Assembly Steam or nonoxidizing service to 5 Valve Plug Piston Ring graphite 593 C 1100 F or air or not used w EWNT 1 EWNT 2 EWS 1 or EWT 1 oxidizing service to 538 C 1000 F 11A9727X032 16 Recommended spare parts Instruction Manual D100400X012 Key Description NPS 12x 8 EWD 1 or EWND 1 1 req d Part Number Steam or nonoxidizing service to 316 C 600 F Std or Level A B or C Whisper Trim III cage Level D Whisper Trim Ill cage 10 3262 012 15 9019 012 Steam or nonoxidizing service to 482 C 900 F or air or oxidizing service to 427 C 800 F Std or Level A B or C Whisper Trim III cage Level D Whisper Trim Ill cage 10 3262 022 15 9019 022 Steam nonoxidizing service to 593 C 1100 F or air or oxidizing service to 538 C 1000 Std or Level A B or C Whisper Trim Ill cage Level D Whisper Trim Ill cage 5 Valve Plug Seal Ring not used w EWD 1 EWND 1 or EWS 1 NPS 8 x 6 EWNT 1 w Whisper Trim lll cage all levels Spring loaded PTFE for 73 to 232 C 100 to 450 F service except 73 to 149 C 100 to 300 F for sour gas service NPS 12x 8 EWNT 1 EWNT 2 or EWT 1 Spring loaded PTFE for 18 to 232 C 0 to 450 F service Std or Level A B or C Whisper Trim III cage Level D Whisper Trim cage 6 SeatRing Seal Ring used only w EWNT 2 Spring loaded PTFE for 18 to 232 C 0 to 450 F service 7 Valve Plug Stem 531600
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