Emerson Fisher easy-e ED Instruction Manual
Contents
1. SEAL Packing System Check the condition of the packing bore and clean or hone it out as necessary Refer to the appropriate valve instruction manual to replace the valve stem 7 SPRINGS 9 SPRINGS PACKING PACKING FOLLOWER FOLLOWER easy e PTFE amp DUPLEX easy e GRAPHITE ULF PACKING PACKING A6144 Table 4 Packing Friction with ENVIRO SEAL PTFE Packing VALVE STEM DIAMETER PTFE PACKING mus Ne x Pounds Force 9 5 VALVE STEM DIAMETER DUPLEX PACKING mm de Newtons Pound Ford VALVE STEM DIAMETER GRAPHITE ULF PACKING mm We Ne Pounds Foree For key number locations refer to figures 5 6 or 7 Then proceed as follows 1 The original packing flange studs used for standard packing arrangements should be long enough to accommodate the retrofit kit parts If you determine that the existing studs and nuts should be replaced however due to their condition replace them with the studs and nuts keys 200 and 212 supplied in the retrofit kit ENVIRO SEAL Sliding Stem Valves Instruction Manual April 2012 D101642X012 Table 7 Graphite ULF Packing Torque ms i 1 For A DBQ easy e EH FB HP YD and YS valves CAUTION To prevent product damage caused by scratching or damaging the packing box wall take care when removing the old packing parts from the packing box 2 Carefully remove the old packing parts from the packing box If the valve st2. are insulated do not allow insulation to extend above the yoke boss surface covering the ENVIRO SEAL packing arrangement Keep the ENVIRO SEAL packing arrangement exposed to ambient air conditions Instruction Manual ENVIRO SEAL Sliding Stem Valves D101642X012 April 2012 Installation ENVIRO SEAL packing systems are designed for quality performance over extended periods This longevity allows for packing maintenance to be performed as it should be at regularly scheduled plant outages or turn arounds Use these instructions to install ENVIRO SEAL packing in valves that have standard packing or when inspecting or replacing ENVIRO SEAL packing If you are changing the packing system material to a different material such as PTFE to Graphite ULF it is good practice to review actuator sizing as packing friction will change See tables 4 5 and 6 for information on packing friction A WARNING Avoid personal injury from sudden release of process pressure or uncontrolled movement of parts Before performing any maintenance operations 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 Use bypass valves or complet
3. for copies of these certificates 1 For availability of ENVIRO SEAL packing system with a specific valve please contact your Emerson Process Management sales office 2 The pressure temperature limits in this manual in the valve literature and any applicable code or standard limitation should not be exceeded Figure 2 Applications Guidelines for 100 ppm Service 1600 d HIGH SEAL GRAPHITE ULF Puts 95 tid n L i ate tnt i ENVIRO SEAL DUP e NARA TTT E ENVIRO SEAL PTFE Sead 22 NN NN Pressure psl 0 5 4 E 4 ay KL E k E b 4 QA NIE Ra UR P W RITIRO UR EUR FUR E 50 0 50 100 150 200 250 300 350 400 45 500 550 60 Temperature F 6142 1 NOTE FOR MAXIMUM CYCLE LIFE GRAPHITE ULF PACKING SHOULD BE USED IN SERVICES WHERE THE VAST MAJORITY OF THE VALVE CYCLES OCCUR AT TEMPERATURES OF 150 C 300 F OR GREATER Description ENVIRO SEAL packing systems with exceptional sealing capabilities can be easily installed into your existing valves or can be purchased with new valves These systems help seal your process to conserve valuable fluids and protect the environment against the emission of hazardous or polluting liquids and gases The external live loading provides a constant load over the life of the packing material which reduces your need for packing box adjustment and maintenance If the piping and valve
4. sliding stem valves utilize a Belleville coned disk spring system in the pressure temperature ranges shown in the specifications For higher pressure temperature ratings refer to the HIGH SEAL ULF Live Loaded Packing System instruction manual D101453X012 Do not install operate or maintain ENVIRO SEAL live loaded packing systems 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 www Fisher com gt EMERSON Process Management ENVIRO SEAL Sliding Stem Valves Instruction Manual April 2012 D101642X012 Table 1 Specifications Applicable Product Types and Stem Diameters Pressures and Temperatures See tables 2 and 3 See figure 2 Figure 2 applies only to ENVIRO SEAL TUV Certification packing for 100 ppm service Pressure and TUV has certified the stem sealing capabilities of s D cs ENVIRO SEAL PTFE and Graphite ULF packing systems are in the packing bulletins See the appropriate valve instruction manual for additional pressure and for sliding stem valves with TA Luft emission control temperature ratings requirements See figures 8 and 9
5. D and YS Repair Kits KITS STEM DIAMETER YOKE BOSS DIAMETER BACKING MATERIAE ies ram inches ber arbor ites single craphite i E 2 1 8 71 2 13 16 90 3 9 16 127 5 127 5 5H RPACKX00192 RPACKX00202 RPACKX00212 RPACKX00222 RPACKX00232 RPACKX00592 RPACKX00602 RPACKX0061 2 RPACKX00622 RPACKX00632 RPACKX00292 RPACKX00302 RPACKX00312 RPACKX00322 RPACKX00332 Instruction Manual ENVIRO SEAL Sliding Stem Valves D101642X012 April 2012 Figure 5 PTFE Sliding Stem ENVIRO SEAL Packing for Fisher easy e Valves ANTI SEIZE LUBRICANT PACKING NUT PACKING FLANGE as qu lu lt di I AN M i E SPRING PACK ASSEMBLY EN N KEY 217 217 BN NO 216 LANTERN RING ai X Em EA A H ANTI EXTRUSION WASHERS 214 AN 5 o i 77 PACKING BOX RING 215 PACKING SET M NN F LOWER WIPER 218 A6146 1 gt Figure 6 ENVIRO SEAL Duplex Packing for Fisher easy e Valves STUD 200 213 2 LUBRICANT PACKING NUT 212 PACKING FLANGE 201 217 SPRING PACK ASSEMBLY 207 GUIDE BUSHING PACKING SET 215 LANTERN RING 216 GUIDE BUSHING 207 207 GUIDE BUSHING PACKING RING 209 214 PACKING WASHER PACKING BOX RING 211 207 GUIDE BUSHING 24B9310 A6722 ENVIRO SEAL Sliding Stem Valves April 2012 Figure 7 ENVIRO SEAL Graphite ULF Packing for Fis
6. ET EW EZ gt X gt i lt X gt ua I Q Ol co t vu 1 Contact your Emerson Process Management sales office for valves not listed Table 3 Fisher Sliding Stem Product Availability for ENVIRO SEAL PTFE and Graphite ULF Packing Systems VALVE mm 3 8 1 2 5 8 3 4 1 1 4 E ces a e j esc NE EEG T pugne JD ose cx emt cp o sm easy e ED ES ET EW X X X X X EZ qnl eee poe a JD owe SE E NS 1 Contact your Emerson Process Management sales office for valves not listed If you are installing the system in a valve that is still connected to an actuator remove the actuator from the valve to provide sufficient space to install the packing assembly If a spring return actuator is used it is possible that disconnecting the stem connector will allow the spring to force the actuator to the end of its travel Be sure the actuator spring is resting on its travel stop Refer to the appropriate valve and actuator instruction manuals to remove the actuator Instruction Manual ENVIRO SEAL Sliding Stem Valves D101642X012 April 2012 Remove old packing parts from the packing box by using the valve instruction manual procedures Both the valve stem surface condition and the packing bore are critical in obtaining a good seal If the valve stem surface is scratched nicked or worn replace the valve stem before installing the ENVIRO
7. Instruction Manual D101642X012 ENVIRO SEAL Sliding Stem Valves April 2012 Fisher ENVIRO SEAL Packing System for Sliding Stem Valves Contents Introduction Scope OS EG Descr DEIOLE prse Gaede IiiStalldblOR esce cocco een Tightening Procedures Other Considerations Parts Retrofit Kits eo eh oo be DEA dore saa easy e A EH HP YD YS Retrofit Kits dS SE DEW MD SIE easy e A EH HP YD YS Repair Kits Introduction Scope of Manual Figure 1 Fisher easy e Valve Bonnet with ENVIRO SEAL Packing VALVE STEM PACKING FLANGE bos BELLEVILLE PACKING SPRINGS FOLLOWER VALVE BONNET a amp o W5814 1 This instruction manual includes installation and parts information for Fisher ENVIRO SEAL live loaded packing systems see figure 1 These systems are available for Fisher sliding stem valves with 9 5 12 7 19 1 25 4 31 8 and 50 8 mm 3 8 1 2 3 4 1 1 1 4 and 2 inch diameter stems The system can be used with many sliding stem valves as shown in the Applications section of the Specifications Refer to appropriate valve and actuator instruction manuals for necessary information relating to the disassembly and assembly of the valve and actuator ENVIRO SEAL packing systems for
8. RO SEAL Sliding Stem Valves Instruction Manual April 2012 D101642X012 Figure 9 Copy of T V Certificate SAARLAND ZERTIFIKAT Saarland e V hiermit wird die Gleichwertigkeit einer Spindelabdichtung mit TA Luft Packung Type Zeichnung Nr 13 B 7183 B und 12 B 6932 A Type Zeichnung Nr 12 B 8529 B und 12 B 6927 A EMERSON PROCESS MANAGEMENT Rue Paul Baudry B P 10 F 68701 Cernay Cedex gegen ber einer Spindelabdichtung mittels Faltenbalg und nachgeschalteter Sicherheitsstopfbuchse bescheinigt Grundlage Erste Allgemeine Verwaltungsvorschrift zum Bundes Immissionsschutzgesetz Technische Anleitung zur Reinhaltung der Luft TA Luft Absatz 5 2 6 4 Die erforderliche Dichtheit wurde bei einer repr sentativen Pr fung mit ca 1 000 Schaltspielen bei 40 bar Innendruck und Raumtemperatur erreicht Register Nr B42 99 5010 Montigny l s Metz 21 06 2004 TUV Saarland e V Dipl Ing J Maffert 008 Rev 0 Neither Emerson Emerson 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 ENVIRO SEAL and easy e 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 a
9. ely 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 power 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 other hazards that may be present from exposure to process media Figure 3 ENVIRO SEAL Packing Assembly Procedure ALTERNATE FROM ONE HEX NUT TO THE OTHER AS YOU TIGHTEN HEX NUT t a w THESE TWO SURFACES MUST REMAIN PARALLEL AS YOU TIGHTEN THE HEX NUTS i Un PACKING FLANGE i rm d ES STUD N N b N NES 5 5 E BONNET l Hv A6143 ENVIRO SEAL Sliding Stem Valves Instruction Manual April 2012 D101642X012 Table 2 Fisher Sliding Stem Product Availability for ENVIRO SEAL Duplex Packing STEM DIAMETER mm INCHES RUNE TE TE g m s el 3 8 1 2 5 8 3 4 1 1 4 x ES j E easy e ED ES
10. em or packing box wall is scratched or damaged it can cause excessive leakage If the valve stem needs to be replaced or any other valve part refer to the appropriate valve instruction manual for replacement procedures Complete all valve maintenance before installing the ENVIRO SEAL packing system into the bonnet Note ENVIRO SEAL PTFE packing systems can be used in either vacuum or positive pressure service It is not necessary to reverse ENVIRO SEAL packing components in vacuum service Note Ensure that the Belleville springs are stacked properly see figure 4 and packing box parts are assembled in the correct order see figures 5 6 or 7 Packing parts cannot function properly if the Belleville springs or other packing parts are not stacked correctly 3 Use figures 5 6 or 7 to ensure that the packing parts and spring pack are assembled in the correct order Install the ENVIRO SEAL packing parts into the packing box 4 Install the spring pack assembly key 217 with the attached springs onto the stem 5 Install the packing flange key 201 and packing box nuts key 212 Hand tighten them Note In general the following tightening procedure applies to all ENVIRO SEAL packing systems both sliding stem and rotary Note Lubrication is required for the packing studs and nuts Although it is important to properly lubricate the stud threads and internal nut threads it is also important to properly lubricate the contacting face
11. her easy e Valves STUD PACKING NUT PACKING FLANGE PACKING RING PACKING RING PACKING BOX RING 39B4612 A ES E z G Tae ATALANTA INA imn mn ar mme Pa OEC br am S ep ZZ d 1111 S E D 4 dum n wr CC Ca Fiar anne NIN BE ACTORS amy m v LZ I AZA 0 ES DOOM MOD L 2 Instruction Manual D101642X012 213 ANTI SEIZE LUBRICANT 217 207 214 SPRING PACK ASSEMBLY GUIDE BUSHING PACKING WASHER GUIDE BUSHING Instruction Manual D101642X012 Figure 8 Copy of T V Certificate T y SAARLAND CERTIFICATE T V Saarland e V We herewith certify the equivalence of stem sealing With TA Luft Packing Type Drawing Nr 13 7183 B and 12 B 6932 A Type Drawing Nr 12 B 8529 B and 12 B 6927 A EMERSON PROCESS MANAGEMENT Rue Paul Baudry B P 10 F 68701 Cernay Cedex to stem sealing with pre boding system additional safety packing This comparison is based on the requirements as described in TA Luft Section 5 2 6 4 The required tightness was achieved on a representative test specimen with nearly 1 000 cycles 40 bar internal pressure and room temperatur Register Nr 842 99 5010 Montigny le s Metz 21 06 2004 TUV Saarland e V Dipl Ing J Maffert TAH FB D08 Rev ENVIRO SEAL Sliding Stem Valves April 2012 11 ENVI
12. iding stem ENVIRO SEAL or HIGH SEAL packing systems Parts Ordering Each valve assembly is assigned a serial number that can be found on the valve body Refer to this serial number when contacting your Emerson Process Management sales office for technical assistance When ordering replacement parts ENVIRO SEAL Sliding Stem Valves Instruction Manual April 2012 D101642X012 refer to this serial number and to the part description and part number from the following parts list 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 A 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 Retrofit Kits Stems and packing box constructions that do not meet Emerson Process Management stem finish specifications dimensional tolerances and design specifications may adversely alter the performance of this packing kit easy e A EH HP YD and YS Retrofit Kits Retrofit kits include parts to convert existing easy e A EH HP YD and YS valves to the ENVIRO SEAL packing box construction See table 3 for a complete listing of ENVIRO SEAL packing systems for sliding stem valves PTFE kits inc
13. king box nuts according to step 1 above 3 The springs flat procedure described above in steps 1 and 2 of Tightening Procedures is the preferred method of adjusting ENVIRO SEAL packing However for Graphite ULF packing the torque values in table 7 can also be used as a guideline for 85 spring compression These values are based on generous lubrication of the packing studs and nuts with anti seize lubricant Loosening of the packing flange nuts is not required when these torques are used Other Considerations When retrofitting an existing packing system or repacking a valve with ENVIRO SEAL packing that has been in service check the condition of the packing bore after you have removed the packing An easy method for cleaning debris and minor imperfections from the bore is to use a brake cylinder hone attached to an electric drill This method will do a good job of cleaning the packing bore without changing the dimension of the bore When you have completed this exercise a good quideline to use in checking the condition of the packing bore is the 20 20 rule If less than 20 of the surface area of the bore is pitted and if there are no pits deeper than 0 020 inch then your packing should work as designed This does not need to be an exact measurement visual inspection is adequate If the packing bore does not meet this criteria however you should replace the bonnet Note This check is only valid for rotary ENVIRO SEAL packing systems and sl
14. lude keys 200 201 211 212 214 215 217 218 tag and tie cable Graphite ULF kits include keys 200 201 207 208 209 210 211 212 214 216 217 tag and tie cable Duplex kits include keys 200 201 207 209 211 212 214 215 216 217 tag and tie cable Fisher easy e A EH HP YD and YS Retrofit Kits KITS STEM DIAMETER YOKE BOSS DIAMETER PACKING MATERIAL am neh im nei Double PTFE farbon ied single Graphite UL E 2 1 8 71 2 13 16 90 3 9 16 127 5 127 5 5H Repair Kits 12 RPACKXRTO22 2 42 52 262 212 272 282 292 RPACKXRT302 RPACKXRT222 RPACKXRT232 RPACKXRT242 RPACKXRT252 Stems and packing box constructions that do not meet Emerson Process Management stem finish specifications dimensional tolerances and design specifications may adversely alter the performance of this packing kit easy e A EH HP YD and YS Repair Kits Repair kits include parts to replace the soft packing materials in valves that already have ENVIRO SEAL packing arrangements installed or in valves that have been upgraded with ENVIRO SEAL retrofit kits PTFE repair kits include keys 214 215 and 218 Graphite ULF repair kits include keys 207 208 209 210 and 214 Duplex repair kits include keys 207 209 214 and 215 Fisher easy e A EH HP Y
15. nd 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 guarantees 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 La Dubai United Arab Emirates Singapore 128461 Singapore wwe 7 C EMERSON Process Management i 1991 2012 Fisher Controls International LLC All rights reserved
16. of the nut See figures 5 6 or 7 for lubrication locations Instruction Manual ENVIRO SEAL Sliding Stem Valves D101642X012 April 2012 Tightening Procedures 1 You will obtain maximum benefit from your ENVIRO SEAL packing system when you tighten the packing flange nuts and compress the Belleville springs to their target load The target load is the point where the Belleville springs are designed for optimum performance when they are compressed to 85 of their maximum deflection or nearly flat Maximum deflection is when the springs are 100 compressed or completely flat To obtain the target load of 8526 compression of maximum deflection perform the following e Tighten the packing flange nuts alternately and evenly keeping the packing flange parallel with the valve flange see figure 3 until the Belleville springs are compressed 10026 or completely flat as detected by a rapid increase in nut torque e For PTFE or Duplex packing loosen each packing flange nut 1 2 turn 180 of rotation e For Graphite ULF packing loosen each packing flange nut 1 4 turn 90 of rotation The target load of 85 compression has now been reached 2 Referto the appropriate valve and actuator instruction manuals when connecting the valve to the actuator Under normal conditions the packing nuts should not require retightening However when servicing if the springs do not remain at the target load of 85 compression retighten the pac
Download Pdf Manuals
Related Search