Emerson A41 Instruction Manual
Contents
1. 1 For component selection and applicable fire tested standards and codes consult your Emerson Process Management sales office Instruction Manual D500211X012 Hex Head Cap Screw and Stud Bolt Data WAFER STYLE SINGLE FLANGE STYLE CL150 CL300 CL150 CL300 Size Dia Size Dia Size Dia Inch amp Inch amp Inch amp Thread Thread 11 E 10 A41 Valve November 2012 Size Dia Inch amp Thread 10 E 10 1 Thread engagement in accordance with ASME B31 3 2 The NPS 2 valve is only available in wafer style and is multirated to CL150 300 and 600 The CL600 stud bolts require 8 bolts have a dia of 5 8 11 and are 6 inches long CARN gt SSSSI A A3886 STUD BOLT CAP SCREW 887 Installation The valve is normally shipped as part of a valve assembly with the actuator handlever or handwheel mounted on the valve If the valve or actuator have been purchased separately or if the actuator has been removed for maintenance mountthe actuator on the valve and adjust actuator travel before inserting the valve body into the line This is necessary due to the measurements that must be made during the actuator calibration adjustment process Refer to the Actuator Mounting section of this manual and to the separate actuator or handlever instruction manual for mounting and adjustments before proceeding WARNING Always wear protective gloves clothing and eyewear when performing any installation or2. NOVEX SEAL lt N S 5555 I T x N D SIZE 12 CL300 PHOENIX SEAL NOTE KEYS 21 22 AND 28 ARE NOT SHOWN 75B0094 B 33 A41 Valve Instruction Manual November 2012 D500211X012 Figure 12 Wafer Valve Assembly for the NPS 3 through 12 continued jo s imc iyan rmm mr A ALLOY FOLLOWER ASSY Tl au Fr as E SEAL eo 9 METAL BEARING CL150 WV lt SEAL PHOENIX SEAL SIZE 12 CL300 NOTE KEYS 21 22 AND 28 ARE NOT SHOWN 75B0096 B 34 A41 Valve November 2012 Instruction Manual D500211X012 Figure 13 Valve Assembly for NPS 2 GRAPHITE PACKING gt PP MSN HI 5 TWO PIECE FOLLOWER 34B5064 A D VA wy NS ho IN UNS 0 Y SN N OF ENS LN PTFESEAL AN METAL SEAL S Rae rert v AAP 2 2 gt Sm NOTE PARTS 21 AND 22 NOT SHOWN 75B0625 35 A41 Valve Instruction Manual November 2012 D500211X012 Neither Emerson Emerson Process Management nor any of their aff
3. stay clear of the disc edges when rotating the disc key 3 CAUTION During the following steps do not rotate the disc past 90 degrees in the open direction Rotating the disc past 90 degrees can damage the seal ring Use caution when tightening the packing flange nuts Overtightened nuts can damage packing box parts Instruction Manual A41 Valve D500211X012 November 2012 Figure 5 Optional Shaft to Valve Body Bonding Strap Assembly ACTUATOR 37 6528 143 2 VIEW Stopping Leakage For PTFE filled or graphite standard packing arrangements covered in this manual often leakage from the packing can be stopped by tightening the packing flange nuts just enough to stop the leak Use caution when tightening the nuts overtightened nuts can damage packing box parts e If tightening the packing flange nuts does not stop the leakage use the following procedures to remove the control valve assembly from the pipeline remove the actuator and to remove and replace the packing parts e ifthe leakage comes from the outside diameter of the packing box it is possible that the leakage is caused by scratches on the packing box wall Carefully inspect the packing box bore and valve drive shaft when the packing is removed Use the following steps to remove the actuator and to remove and replace the packing parts Removing the Actuator WARNING Refer to the WARNING at the beginning of the Mainte
4. CL150 75B1136X022 CL300 75B1100X012 NPS 6 CL150 75B1136X032 CL300 75B1101X012 NPS 8 CL150 75B1136X042 CL300 75B1102X012 NPS 10 CL150 75B1136X052 CL300 75B1103X012 NPS 12 CL150 75B1136X062 CL300 75B1104X012 7 Disc Spacer w Metal Bearings CL150 only 2 req d NPS 3 75B1176X012 NPS 4 75B1176X022 NPS 6 75B1176X032 NPS 8 75B1176X042 NPS 10 75B1176X052 NPS 12 75B1176X062 8 Drive Shaft See following table 9 Hollow Pin See following table 10 Taper Pin See following table 13 Bearing Spacer 2 req d w Metal Bearings CL150 only NPS 3 75B1137X012 NPS 4 75B1137X022 NPS 6 75B1137X032 NPS 8 75B1137X042 NPS 10 75B1137X052 NPS 12 75B1137X062 Recommended spare parts A41 Valve November 2012 Key Description Part Number 14 Hex Head Cap Screw Steel 14 Stud Bolt SST 15 Backup Ring See following table 16 Gasket Graphite w Metal and Phoenix III seals NPS 3 75 1124 022 NPS 4 75B1124X032 NPS 6 75B1124X042 NPS 8 75 1545 012 510 75 1545 022 512 75 1545 032 17 Hex Socket Cap Screw 18 Mfg Label 19 Drive Screw w nameplate 20 HexNut 21 Nameplate 22 LeadSeal amp Wire 23 Bottom Cap NPS 12 only 24 Bottom Cap Stud NPS 12 only 25 Bottom Cap Hex Nut NPS 12 only 27 Bottom Cap Gasket NPS 12 only PTFE 75 1186 022 Graphite 75B1186X012 29 Arrow NPS 3 12 30 Retainer Clip NPS 2 only Packing Note Part numbers in this section are listed by shaft diameter inches SHAFT DIAMETER VALV
5. away from the centered position damaging the disc and valve 2 Remove the cap screws and if used the hex nuts Remove the clamp if the strap is used Remove the actuator from the valve body while referring to the separate actuator instruction manual for assistance 3 Rotate the disc key 3 to the fully open position 4 Locate the half of the disc that has two C markings cast into it as shown in figure 7 Drive the two taper pins key 3C out toward the C marked side of the disc Attempting to drive the taper pins in the opposite direction only tightens the pins 24 Instruction Manual A41 Valve D500211X012 November 2012 5 Unscrew and remove the packing flange nuts key 12 packing followers keys 15 and 16 and packing flanges keys 9 and 10 if used from both sides of the valve Table 6 Recommended Bolt Torques for Actuator Mounting Cap Screws and Nuts RECOMMENDED BOLT TORQUE BOUM CL150 Valves 135 CL300 Valves WARNING Once the shaft has been removed in the following step the disc may fall from the valve body To avoid personal injury and disc damage support the disc to prevent it from falling as the shaft is being removed 6 Pull the shaft out through the actuator side of the valve 7 Remove the disc from the valve 8 Remove the packing rings key 13 the packing washers key 27 figure 6 if used and the packing box ring key 14 9 If either of the bearings key 6 require maintenance or repla
6. hold it in place Slide the shaft through the disc spacer and into the outer bearing Instruction Manual D500211X012 A41 Valve November 2012 Figure 11 Taper Pin and Hollow Pin Removal and Installation o Diameter 2777 Inch cat 0 03 X 45 0 010 0 010 X45 UNDERCUT PER SIDE DISC HUB INSTALLATION TOOL REMOVAL TOOL VALVE DISC HOLLOW PIN FORWARD FLOW NOTE 1 gt REMOVE THE HOLLOW FROM THIS SIDE OF THE DISC HUB INSTALL THE HOLLOW PIN FROM THE OPPOSITE SIDE OF DISC HUB 6356 eoe 5 a REVERSE FACE SIDE OF DISC TAPER PIN AND HOLLOW PIN LOCATION lt 1 23 A41 Valve Instruction Manual November 2012 D500211X012 Installing the Hollow Pin and Taper Pin 4 Place the valve body on a flat working surface with the slot for the seal ring facing up Block the valve body high enough to allow the disc to be rotated into the open position as shown in figure 11 Note Make sure that the taper pins and hollow pins are free of particulate matter before continuing 5 Rotate the disc to the open position Locate the disc position mark on the end of the drive shaft Rotate the shaft until it is in the appropriate disc position as shown in figure 7 6 Line up both holes in the disc hub with the holes in the drive shaft key 8 Note The hole in the drive shaft is offset to prevent the shaft from being installed
7. temporary loading pressure to the actuator diaphragm to move the valve disc to the closed position Observe the above Warning when closing the valve If a loading pressure is required use caution when working with the valve If the loading pressure is disconnected the disc will open rapidly NJ With the disc in the closed position install line flange gaskets and insert the valve between the pipeline flanges WARNING If spiral wound gaskets are to be used with an NPS 3 or 4 CL150 or 300 single flange valve special spiral wound gaskets conforming to the dimensions listed in table 5 MUST be used Improperly sized gaskets may increase the likelihood of 1 excessive seat leakage 2 damage due to contact with valve internals and 3 external leakage which may result in personal injury due to a sudden increase or decrease of pressure within or release of pressure from the pipeline The special dimension spiral wound gaskets can be obtained from your local spiral wound gasket vendor The remaining single flange valve sizes NPS 6 through 12 and all wafer style valves NPS 2 through 12 use the standard size spiral wound gaskets Only the single flange valves in the sizes and pressures listed in the table above require special spiral wound gaskets Select the appropriate gaskets for the application Flat sheet spiral wound NPS 6 through 12 or other gasket types made to ASME 16 5 group or a user s standards can be used for A41 valv
8. the valve body b Rotate the disc to the open position 18 Instruction Manual A41 Valve D500211X012 November 2012 c Lay the retainer ring on the valve body d Use a press or a soft faced hammer to press the retainer ring into its groove in the valve body CAUTION It takes a considerable amount of force with a hammer to drive the retainer ring into place Be sure not to damage retainer ring surfaces when installing the ring e Theretainer ring is properly seated when the face of the retainer ring is flush with the face of the valve body f To ensure proper seal performance for metal seals you may need to use the hammer to drive the disc open for the first few times When closing the valve use the C clamps discussed in the next few steps CAUTION Do not damage the gasket seating surfaces on either the valve body or the retainer ring when installing or removing the C clamps Protect the gasket surface by using a soft material between the clamp and valve body retaining ring serrations to avoid damage g Use three C clamps to hold the retainer in place Locate one of the C clamps near the travel stop in the valve body and the other two at 120 degrees from the stop h When cycling the disc for the first three times use a dead blow hammer with a soft head to drive the disc closed Also you may need to use the hammer to drive the disc open for the first few times 5 For valves with screwed retainer rings a Match t
9. up of three parts disc spacer bearing and bearing spacer keys 13 6 and 7 as shown in the orientation of bearing spacer tab shown in figure 10 a Install the bearing spacer key 13 into the bearing bore b Install the bearing into the bearing bore until the bearing is flush with the valve body bore c When installing the disc spacer key 7 position the curved side to match the valve body bore and position it with the tab on the spacer pointing away from the disc stop as shown in figure 10 Note The disc spacer will have to be held in place when installing the disc and inserting the shaft through the valve body bearings bearing spacer and disc To help hold the spacer in place apply lubricant 22 Position the disc to be certain that the holes in the disc are towards the actuator side of the valve Carefully insert the disc into the valve body bore while protecting the disc sealing surfaces Install the shaft key 8 For CL150 and CL300 metal bearings one piece bearings Slide the shaft through the valve body bore and bearing Position the disc as stated above and slide the shaft through the disc and outer bearing Refer to step 4 below For CL150 metal bearing three piece assemblies Slide the shaft into the valve body bore and bearing spacer Position the disc spacer as stated above and hold it in place Slide the shaft through the bearing and into the disc Position the second disc spacer and
10. values See figure 2 Shutoff Classifications PTFE Reinforced PTFE UHMWPE 2 Seal No visible leakage for this bidirectional seal per MSS SP 61 NPS 2 Metal Seal Bidirectional shutoff 0 001 of maximum valve capacity 1 10 of Class IV per ANSI FCI 70 2 and IEC 60534 4 Pressure Drop is 740 psig forward and 100 psig reverse NOVEX Seal Unidirectional shutoff is MSS SP 61 in the preferred flow direction Phoenix Seal No visible leakage for this bidirectional seal per MSS SP 61 For optional Phoenix Fire Tested seal consult your Emerson Process Management sales office Flow Characteristic Approximately linear Flow Direction See figure 4 Disc Rotation Clockwise to close when viewing the drive shaft end through 90 degrees of disc rotation see figure 7 Valve Classification Face to face dimensions of NPS 3 through 12 in CL150 or 300 and meets API 609 or MSS SP68 standards for face to face dimensions of wafer style and single flange valves Actuator Valve Action With the diaphragm or piston actuators the valve action is field reversible Refer to information in the Installation section and in figures 6 and 7 Shaft Diameters See table 2 Approximate Weights See table 2 ENVIRO SEAL Packing This optional PTFE or graphite packing system provides excellent sealing quiding and transmission of loading force to control liquid and gas emissions see figure 6 See Bulletin 59 3 04
11. 0387X032 NPS 3 75B0020X032 NPS 4 75B0042X032 28 Description NPS 6 NPS 8 NPS 10 NPS 12 NOVEX S31600 SST NPS 2 NPS 3 54 56 58 510 512 NOVEX 521800 53 54 56 58 510 512 Phoenix S31600 PTFE NPS 3 54 56 58 510 512 Spring 531600 SST 5 2 NPS 3 54 56 58 510 512 R30003 NPS 2 NPS 3 NPS 4 Recommended spare parts Part Number 75B0003X032 75B0311X032 75B0312X032 75B0313X032 17 7544 022 75 1108 012 75 1109 012 75 1110 012 75B0341X012 75B1112X012 75B1113X012 75B1108X022 75B1109X022 75B1110X022 75B0341X022 75B1112X022 75B1113X022 75B1115X012 75B1116X012 75B1117X012 75B0351X012 75B0337X012 75B0339X012 12A9022X012 75B0021X012 75B0043X012 75B0004X012 75B0012X012 75B0029X012 75B0036X012 12A9022X062 75B0021X052 75B0043X052 Instruction Manual D500211X012 Key Description Part Number NPS 6 75B0004X052 NPS 8 75 0012 052 510 75 0029 052 NPS 12 75B0036X052 6 Bearing 2 req d PEEK PTFE NPS 2 75B0620X012 NPS 3 CL150 75B1066X012 CL300 75B1073X012 NPS 4 CL150 75 1067 012 CL300 75B1074X012 NPS 6 CL150 75B1068X012 CL300 75B1075X012 PEEK PTFE NPS 8 CL150 75 1069 012 CL300 75B1076X012 NPS 10 CL150 75B1070X012 CL300 75B1077X012 NPS 12 CL150 75B1071X012 CL300 75B1078X012 316 Nitride NPS 2 75B0599X012 NPS 3 CL150 75B1136X012 CL300 75B1099X012 NPS 4
12. 1 ENVIRO SEAL Packing System for Rotary Valves for more information 1 The pressure temperature limits in this manual and any applicable standard or code limitation for valve should not be exceeded 2 UHMWPE stands for ultra high molecular weight polyethylene Educational Services For information on available courses for the Fisher A41 high performance butterfly valve as well as a variety of other products contact Emerson Process Management Educational Services Registration Box 190 301 S 15t Ave Marshalltown IA 50158 2823 Phone 800 338 8158 or Phone 641 754 3771 FAX 641 754 3431 e mail education emerson com Instruction Manual A41 Valve D500211X012 November 2012 Table 2 Valve Size Shaft Diameter and Approximate Weight SHAFT DIAMETER APPROXIMATE WEIGHT VALVE SIZE PRESSURE E 5 NPS CLASS Wafer Style Single Flange 150 12 7 15 9 13 8 11 7 32 8 65 5 11 7 45 9 91 7 CL150 CL300 CL600 2 CL150 CL300 CL600 2 50to 100 200 300 400 500 1 M35 1 and CW2M valve material not included in ASME B16 34 pressure temperature ratings The designations 150 and 300 for this valve material are used only to indicate relative pres sure retaining capabilities and are not ASME pressure temperature rated classes 2 CL600 is only available in NPS 2 A41 Valve Instruction Manual November 2012 D500211X012 OPERATING TEMPERATURE C 0 100 200 300 400 500 800 55 700 50 45 lt 5 goo PH
13. 2 Disassembly 1 If necessary loosen the packing flange nuts key 101 This allows the drive shaft key 8 to turn without the friction caused by the packing 2 Remove the actuator using the steps provided in the packing maintenance procedures above and remove the seal ring using the steps provided in the seal ring maintenance procedures above Placethe valve on a flat working surface with the seal ring slot facing down Use blocks to raise the valve body high enough to allow the disc to be rotated to the fully open position figure 7 Rotate the disc key 3 to the fully open position Locate the small ends of the taper pins Drive the two taper pins key 10 out towards the larger end of pins Note Attempting to drive the taper pins in the opposite direction only tightens the pins Also remove the hollow pins key 9 from the disc shaft connection using the tool shown in figure 11 Ou Uu Note Make the tools for removing and installing the hollow pin shown in figure 11 7 Unscrew and remove the packing flange nuts key 101 and the packing flange key 102 WARNING Once the shaft has been removed in the following step the disc may fall out of the valve body cavity To avoid personal injury and damage to disc sealing surfaces support the disc to prevent it from falling as the shaft is being removed 8 Pull the shaft out of the valve body and remove the disc key 3 from the valve body bore 9 If the packin
14. 7581541012 7581541022 PTFE Seal Ring 6 7580050012 7580050022 7580050032 7580050042 7580050062 75800501052 _ Sngefanse f g 7580060012 7580060X022 7580060x032 7580060X042 7980050062 75800603052 NOVEX and Phoenix III Seal Ring 3 7581047X132 7591047072 7104082 C 75B1048X132 7spioaexore 6 a 7561049072 __ SngeFlnse g 75814917 7551542022 30 75884501 7551543022 7981943309 0 x 7581540012 7581544022 Key 8 Shaft MATERIAL LL 7 520910 nosso CL150 6 75B1105X152 7581105272 7581105212 _ 8 o 758059 75810916 7581105082 75810502 _ CL300 75B1106X072 75B1106X142 75B1106X212 75B1106X352 75B1106X282 Recommended spare parts 31 A41 Valve Instruction Manual November 2012 D500211X012 Key 9 Hollow Pin 2 req d CL150 CL300 VALVE SIZE Shaft Material Shaft Material NPS 517400 517400 H1075 8 08020 10276 H1075 amp N08020 N10276 S20910 S20910 3 75B1122X012 75B1122X082 75B1122X222 75B1122X152 75B1122X022 75B1122X092 75B1122X232 75B1122X162 75811223032 7581122X102 78122042 7581122X172 7581122042 7581122X112 75811227252 7591122X182 7591122042 7581122X112 75811223252 7581122X182 75811223052 75
15. 81122X122 75811227262 7591122X192 Key 10 Taper Pin 2 req d CL150 CL300 VALVE SIZE Shaft Material Shaft Material Sat Materia H1075 amp 08020 10276 H1075 amp 08020 10276 520910 520910 3 19374902 19A3749X032 714119 0052 14119 0062 F14119X0072 4119 0082 8 6112990032 61129940092 67128940012 67125940022 13668 0022 F1366840092 1 668 0032 F1366840022 e F13668X0022 F1366840092 F13668X0032 F1366840022 61372540022 61372540052 G13725X0082 613725402 Key 154 Backup Ring Use w Phoenix III Seal MATERIAL VALVESIZE NPS FKMFluorocarbon CRChloroprene Filled Silicone NBR 75B1123X022 75B1123X092 75B1123X162 75B1123X502 75B1123X442 75B1123X032 75B1123X102 75B1123X172 75B1123X512 75B1123X452 5 o ea 7581123522 7581123462 _ 8 vono VHOSX02 _ 32 Recommended spare parts Instruction Manual A41 Valve D500211X012 November 2012 Figure 12 Wafer Valve Assembly for the NPS 3 through 12 TE wrap m Jm CO 72 77 4 at 77702 PPI APEZ egeess ALLOY FOLLOWER ASSY i 6 lt e QS zz ITT TTT PTFE SEAL METAL BEARING CL150
16. BODY KEY 1 PACKING BOX CLP RING KEY 107 ENVIRO SEAL GRAPHITE PACKING SYSTEM Instruction Manual A41 Valve D500211X012 November 2012 Figure 7 Disc Rotation Indication CAUTION DO 15 DISC STOP INDICATES NOT ROTATE APPROXIMATE DISCINTO z INDICATES DISC THIS SECTOR DISC POSITION POSITION oe ROTATE DISC IN DIRECTION SHOWN ONLY ACTUATOR END OF SHAFT lt 2 RETAINER RING 2 DISC IN DIRECTION SHOWN ONLY ROTATE DISC IN EITHER DIRECTION DISC IN THE OPEN POSITION A2879 2 DISCIN THE Note CLOSED POSITION 15 SET ACTUATOR TRAVEL STOPS TO OBTAIN AN EQUAL DISTANCE T DISC SURFACE AS SHOWN DISC ROTATION INDICATION FOR NPS 2 2 gt LOCATION OF C MARKINGS FOR NPS 2 ONLY DISC ROTATION INDICATION FOR NPS 2 THROUGH 12 6358 Figure 8 Removing the Retainer Ring FLAT END PUNCH KNOCK OUT FLAT A6359 CAUTION During any of the following steps do not rotate the disc past 90 degrees in the open direction Rotating the disc past 90 degrees can damage the seal ring Disassembly Refer to removing the actuator steps in the Packing Maintenance section Most maintenance procedures will require the actuator to be removed A41 Valve Instruction Manual November 2012 D500211X012 1 Removing the retainer ring key 2 For valves with press fit retainer rings e Place the valve on blocks with the seal retainer facing down Note Position blocks so they d
17. DIAMETER SHAFT DIAMETER SINGLE PTFE PACKING GRAPHITE PACKING mm nhs For Actuator End Packing Box For Actuator End Packing Box 12 7 0972 0982 0992 1012 1022 1032 1072 1082 1092 1102 1112 1122 27 A41 Valve November 2012 Repair Kits for ENVIRO SEAL Packing Repair kits include replacement parts for key 105 and 106 for the shaft diameters listed below ENVIRO SEAL Packing Repair Kits SHAFT DIAMETER Parts Included in Kit Description Packing set Anti extrusion washer Instruction Manual D500211X012 1 Diameter through the packing box Parts List s Note Part numbers are shown for recommended spares only For part numbers not shown contact your Emerson Process Management sales office Key Description Part Number 1 Valve Body If you need a new valve body please order by valve size serial number and desired material 2 SealRetainer See following table 3 Valve Disc 3 Disc Shaft Assembly NPS 2 only 4 SealRing PTFE NPS 2 75B0387X012 NPS 3 75B0020X012 NPS 4 75B0042X012 NPS 6 75B0003X012 NPS 8 75B0311X012 NPS 10 75B0312X012 NPS 12 75B0313X012 9 UHMWPE NPS 2 75B0387X022 NPS 3 75B0020X022 NPS 4 75B0042X022 NPS 6 75B0003X022 NPS 8 75B0311X022 NPS 10 75B0312X022 NPS 12 75B0313X022 Glass filled PTFE NPS 2 75B
18. E SIZE CL150 Key Description Part Number 100 Packing Stud 2 req d 101 Packing Nut 2 req d 102 Packing Flange 103 Spring Pack Assembly ENVIRO SEAL amp KALREZ9 105 Packing Set PTFE Carbon filled PTFE 1 2 inch 12A9016X022 5 8 inch 1R5795X0012 3 4 inch 12A8995X022 1 inch 12A8832X022 1 1 4 inch 12A8951X022 29 A41 Valve November 2012 Key Description 1 1 2 inch 1 3 4 inch ENVIRO SEAL PTFE 1 2 inch 5 8 inch 3 4 inch 1 inch 1 1 4 inch 1 1 2 inch 1 3 4 inch ENVIRO SEAL Graphite 1 2 inch 5 8 inch 3 4 inch ENVIRO SEAL Graphite 1 inch 1 1 4 inch 1 1 2 inch 1 3 4 inch KALREZ PTFE 1 2 inch 5 8 inch 3 4 inch 1 inch 1 1 4 inch 1 1 2 inch KALREZ CRCC 1 2 inch 5 8 inch 3 4 inch 1 inch 1 1 4 inch 1 1 2 inch 106 Anti Extrusion Ring ENVIRO SEAL PTFE 30 1 2 inch 5 8 inch 3 4 inch Part Number 12 8935 022 12 9057 022 12B7053X012 12B7402X012 12B7414X012 12B7438X012 12B7450X012 12B7462X012 14B3049X012 13B8816X012 13B8816X032 13B8816X052 13B8816X092 13B8816X112 13B8816X142 13B8816X152 24B6254X012 24B6254X022 24B6254X032 24B6254X052 24B6254X062 24B6254X072 24B6255X012 24B6255X022 24B6255X032 24B6255X052 24B6255X062 24B6255X072 12B7054X012 12B7406X012 12B7418X012 Instruction Manual Key Description 1 inch 1 1 4 inch 1 1 2 inch 1 3 4 inch 107 Packing Box Ring Standard and ENVIRO SEAL Packing 1 2 inch 5 8 inch 3 4 inch 1 inch 1 1 4 inch 1 1 2 i
19. Instruction Manual A41 Valve D500211X012 November 2012 Fisher A41 High Performance Butterfly Valve Co ntents Figure 1 Fisher A41 Valve 225 adip E xd 1 Scope of isse TE QURE MENU EA 1 Desceriptloii PEE 1 SPECGNCAONS 2 Educational Services 2 eub eu d aduersa 5 Valve Orientation 6 Maint naNCE CETT 9 Packing Maintenance 12 Seal Ring Maintenance for NPS through 12 13 Seal Ring Maintenance for NPS2 19 Disc Drive Shaft and Bearing Maintenance for NPS3through 12 20 Disc Drive Shaft and Bearing Maintenance for g sus 24 Actuator Mounting 26 Parts Ordening tien bu 27 Retrofit Kits for ENVIRO SEAL Packing 27 Repair Kits for ENVIRO SEAL Packing 28 T gelb eee ister 28 Introduction Scope of Manual This instruction manual includes installation maintenance and parts information for Fisher A41 high performance butterfly valves figure 1 Refer to separate instruction manuals for information covering the power on off actuator and accessories Do not install operate or maintain A41 valves without being fully trained and qualified in valve actuator and accessory instal
20. OENIX II SEAL 2 WITH PTFE INSERT 40 5 500 352 LLI d PTFE AND REINFORCED 30 2 aoe PTFE SEAL 2 25 2 E E 2 300 UHMWPE 20 D e 200 SEAL 15 a 105 100 2 100 0 100 200 300 400 500 600 700 800 900 1000 OPERATING TEMPERATURE F NOTE TEMPERATURE LIMITATIONS DO NOT ACCOUNT FOR THE ADDITIONAL LIMITATIONS IMPOSED BY THE BACKUP RING USED WITH THIS SEAL TO DETERMINE THE EFFECTIVE TEMPERATURE LIMITATION OF THE APPROPRIATE SEAL BACKUP RING COMBINATION REFER TO TABLE 4 6306 2 Table 4 Construction Material Temperature Limits TEMPERATURE LIMITS COMPONENTS AND MATERIALS OF CONSTRUCTION IEEE Valve Body Material Carbon Steel 29 to 427 20 to 800 CF8M 198 to 538 325 to 1000 CG8M 198 to 538 325 to 1000 Disc Material S31600 198 to 538 325 to 1000 CG8M 198 to 538 325 to 1000 Shaft Material S20910 198 to 538 325 to 1000 S17400 62 to 427 80 to 800 Bearing Material PEEK PTFE lined 3 to 260 100 to 500 Metal 198 to 538 325 to 1000 Packing Material PTFE V rings 46 to 232 50 to 450 Graphite rings 198 to 438 325 to 1000 Seal Ring PTFE Standard 46 to 232 50 to 450 Reinforced PTFE Soft Seal Ring 46 to 232 50 to 450 UHMWPE Soft Seal Ring 18 to 93 0 to 200 NOVEX Metal Seal Ring 46 to 538 50 to 1000 NPS 2 Metal Seal ring 46 to 538 50 to 1000 Phoenix III Metal Seal Ring Phoenix III Fire Tested Metal Seal Ring Fluorocarbon backup ring 0 Specify metal bearings and graphite packing
21. RNING The edges of a rotating disc have a shearing effect that may result in personal injury To help prevent such injury stay clear of the disc edges when rotating the disc key 3 CAUTION Damage to the disc key 3 may occur if the disc is not closed when the valve is being removed from the pipeline If necessary pressure the actuator temporarily to retain the disc in the closed position while removing the valve from the pipeline Unscrew the flange bolts and remove the valve from the pipeline Unscrew the machine screws key 8 and remove the seal retainer key 2 Also remove the retainer clip key 34 Remove the seal ring or seal ring assembly key 4 The spring key 5 is removed with a PTFE seal ring For 531600 stainless steel seal ring assemblies replace the gaskets key 4C if the entire seal ring assembly is not replaced Scrape off the old gaskets from both sides of the seal ring and the seal ring sides of the valve body key 1 and seal retainer Clean the gasket surfaces 6 Reconnect or mount the actuator if it was removed before proceeding W N For an actuator with adjustable travel also adjust the actuator before proceeding This is necessary due to the measurements that must be made during the actuator adjustment process Refer to the Actuator Mounting section of this manual and to the separate actuator instruction manual for mounting and adjusting instructions 7 The valve should be closed duri
22. WARNING Avoid personal injury or property damage from sudden release of process pressure or bursting of parts Before performing any maintenance operations e Do notremove 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 Uselock 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 e Check with your process or safety engineer for any additional measures that must be taken to protect against process media WARNING The edges of a rotating disc have a shearing effect that may result in personal injury To help prevent such injury
23. aft and Bearing Maintenance section before proceeding with the assembly procedures for the seal ring and retainer The seal ring could be damaged if it is in place while removing the disc CAUTION Follow instructions in this manual to avoid damage to the seal ring while either removing or installing the disc Assembly Place the valve on blocks with the seal retainer facing up If the replacement disc shaft and bearings have not been installed in the valve body go to the Assembly procedures to install them Do not install the seal ring without the disc being in place The seal ring could be damaged while installing the disc Instruction Manual A41 Valve D500211X012 November 2012 WARNING Do not lubricate parts when used in oxygen service or where the lubrication is incompatible with the process media Any use of lubricant can lead to the sudden explosion of media due to the oilloxygen mixture causing personal injury or property damage CAUTION Do not rotate the disc past 90 degrees in the open direction Rotating the disc past 90 degrees can damage the seal ring or other component parts Note PTFE NOVEX and Phoenix Ill seal rings used in other valve types are not interchangeable with seal rings used in the A41 valve The 41 seal rings are not interchangeable with seal rings in any other valve type To order seal rings for this valve provide the serial number on the valve 1 Installing PTFE seal rings a The valve di
24. cement remove them CAUTION When replacing a valve disc or shaft a new disc shaft taper pin assembly key 3 should be used Using a new disc with a used shaft requires drilling and reaming new taper pin holes in the shaft The extra set of taper pin holes weakens the shaft and may cause it to fail in service 10 Clean the packing boxes and metal packing box parts Assembly 1 Drop in the new bearings Make sure to orient the tab in the bearing with the slot in the seal 2 Insert the disc into the valve body Be certain the taper pin holes in the disc are on the actuator side of the valve Also be certain the letter C stamped on either face of the disc is on the same side of the valve as the letter C stamped on the outside of the valve figure 7 Slide the shaft through the valve body and disc Install the disc and spacers into the valve body Insert the shaft into the valve body and through the disc Slide the shaft all the way into the valve body cu UW To ensure that the direction of taper in the shaft taper pin holes matches that of the disc taper pin holes temporarily install the packing follower key 15 or if used the packing flange key 9 with rotation tag key 19 With the disc fully opened rotate the shaft until the line on the end of the shaft indicates the OPEN position as shown in figure 7 Insert the taper pins key 3C small end first into the taper pin holes on the C marked side of the disc Do not dr
25. es depending on the service conditions and applications 3 Install the flange studs Note Lubricate line flange studs or bolts before inserting into flanges If necessary provide additional support for the control valve assembly because of its combined weight A41 Valve Instruction Manual November 2012 D500211X012 A Flange Studs Install two or more line flange studs into the line flanges to help hold the valve in position while centering the valve Carefully center the valve on the flanges to ensure disc clearance Select and install two pipeline gaskets Flange Cap Screws If line flange cap screws are used be certain the cap screw threads engage the tapped holes to a depth equal to the flange cap screw diameter Install the remaining line flange bolts to secure the valve in the pipeline Tighten the bolts in a crisscross pattern to ensure proper alignment of the valve with the flanges Packing Adjustment and Shaft Bonding WARNING Personal injury could result from packing leakage Valve packing was tightened before shipment however the packing might require some readjustment to meet specific service conditions CAUTION Excessive tightening of packing will accelerate wear and could produce higher rotating friction loads on the valve stem NJ UJ For PTFE or graphite packing Tighten standard packing follower nuts only enough to prevent shaft leakage Excessive tightening of packing will accelera
26. g is to be replaced remove all packing parts from the valve body Upon re assembly of the valve refer to the Packing Maintenance procedures to replace the packing 10 Remove both of the bearings key 6 from the valve body For CL150 valves with metal bearings refer to the following note Note CL150 valves with metal bearing assemblies have three parts A disc spacer bearing and bearing spacer keys 7 6 and 13 are used in place of a single piece bearing The disc spacers may fall out of the valve when the disc is removed If needed for re assembly retain the disc spacer and bearing spacer parts 11 Clean all of the sealing surfaces and parts and inspect and or replace before assembly Assembly 1 Install the bearings key 6 When installing the bearings in the opposite side of the valve body bore repeat the following procedure e For PEEK PTFE CL150 and CL300 metal bearings one piece bearings Position the bearing edge to match the valve body bore and insert the one piece bearing disc spacer into the bearing bore with the bearing spacer tab facing away from the disc stop as shown in figure 10 21 A41 Valve Instruction Manual November 2012 D500211X012 Figure 10 Orientation of Bearing Spacer Tab CENTER LINE OF CENTER LINE OF SHAFT BORE BODY amp DISC SPACER DISC STOP BEARING TAB OR 6357 DISC SPACER TAB e For CL150 metal bearings three piece assemblies Metal bearings for CL150 valves are an assembly made
27. he appropriate bolt torque from table 6 CAUTION The valve disc travel stop in the valve body bore is not to be used as a power actuator travel stop see figure 7 Use the actuator travel stops to limit the rotation of the valve disc It is possible damage to the valve component parts may occur if full actuator thrust is applied to the valve disc travel stop Note To obtain proper shutoff the closed position of the A41 8560 valves must be set with the disc parallel to the retaining ring Don t use the disc stop to set the actuator travel stops 3 Adjust the actuator travel stop to limit the open and closed positions of the valve disc If necessary referto the actuator instruction manual for more information about adjustments Do not use the disc stop as a actuator travel stop as discussed in the Caution above 4 For actuators with adjustable turnbuckles adjust the turnbuckle to bring the disc to the fully closed position at the end of the actuator stroke If necessary refer to the appropriate actuator instruction manual for assistance 5 If using a manual handwheel or handlever actuator refer to the appropriate actuator instruction manual for mounting positions and adjustments 6 To determine the fully closed disc position zero degrees of disc rotation measure the distances between the positions on the disc face as shown in figure 7 Use the actuator to rotate the disc while re checking the two measurements Repeat adjustment un
28. he longest period of time should be applied to the preferred side 1 For PTFE reinforced PTFE or UHMWPE seal rings This seal is bidirectional For best performance high pressure should be applied to the front retaining ring side of the disc 2 For metal seal rings a NOVEX seal The NOVEX seal is uni directional High pressure at the closed position MUST be at the back waterway side of the disc Instruction Manual A41 Valve D500211X012 November 2012 b Phoenix Ill Seal This seal is bidirectional For best performance high pressure at the closed position should be applied to the back waterway side of the disc c NPS2 Seal The preferred direction of installation is with high pressure at the front retaining ring side of the disc Reverse shutoff is permissible at lower pressure see specifications table Installing the Valve in the Pipeline WARNING The edges of a rotating disc have a shearing effect that may result in personal injury To help prevent such injury stay clear of the disc edges when rotating the disc figure 4 CAUTION Damage to the disc key 3 figure 12 sealing surfaces may occur if the disc is not closed when the valve is being installed or removed from the pipeline If necessary provide a loading pressure to the actuator temporarily to retain the disc in the closed position while installing or removing the valve from the pipeline 1 For Fail Open Actuators It will be necessary to provide a
29. he retainer ring with the holes in the valve by punching two holes in the gasket to locate where the screw holes are in the valve b Lay the retainer ring over the gasket while lining it up with the punched holes Also insert two retainer screws key 17 Finger tighten them c Press the remaining screws through the gasket material and finger tighten them When all retainer screws are in place tighten them in a crisscross pattern d Theretainer ring is properly seated when the retainer face is flush with the face of the valve Turn the disc into and out of the seal ring several times to help break in the seal and reduce actuator torque requirements during adjustment If replacing the packing remove all packing parts from the valve body Upon re assembly of the valve refer to the Packing Maintenance procedures to replace the packing Ring Maintenance for NPS 2 This procedure is to be performed if the control valve is not shutting off properly that is leaking downstream This procedure does not require removing the actuator from the valve body Part key numbers are shown in figure 12 WARNING Refer to the WARNING at the beginning of the Maintenance section in this instruction manual 19 A41 Valve Instruction Manual November 2012 D500211X012 1 Isolate the control valve from line pressure and relieve pressure from the valve body Shut off and disconnect all lines from the power actuator WA
30. iliated 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 ENVIRO SEAL 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 KALREZ is a mark owned by E I DuPont De Nemours 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 Dubai United Arab Emirates Singapore 128461 Singapore www Fisherrccom E M ERSO N 1994 2012 Fisher Controls International LLC All rights reserved an G a
31. in the wrong position Be sure the hole in the shaft is lined up with the hole in the disc hub 7 Insert the hollow pins key 9 into the disc hub as shown in figure 11 Using the tool shown in figure 11 tap the hollow pin down into the disc hub and shaft until the pin bottoms on the stop in the disc 8 Insert the taper pins key 10 into the hollow pins Using a flat end punch drive the taper pins into the hollow pins until solid contact is felt Anchor the pins in place by staking them with a center punch and hammer The disc and shaft should rotate smoothly 9 Install the seal ring assembly using the appropriate instructions in the Seal Ring Maintenance procedures 10 Install the packing parts using the appropriate instructions provided in the Packing Maintenance procedures Refer to the Actuator Mounting and Adjustment procedures before installing the valve in the pipeline Disc Shaft Assembly and Bearing Maintenance for NPS 2 This procedure is to be performed to replace the valve disc shaft and taper pin assembly if the disc does not rotate in response to rotation of the actuator end of the valve shaft Unless otherwise indicated part key numbers are shown in figure 13 Disassembly 1 Remove the seal ring according to steps 1 through 5 of the Replacing Seal Ring section CAUTION Use a wheel puller to separate actuator parts from the valve shaft Driving the parts off the valve shaft could move the valve bearings and disc
32. ive in the pins Remove the packing follower or flange 7 Insert a packing box ring key 14 into each packing box 25 A41 Valve Instruction Manual November 2012 D500211X012 8 Install the packing according to the appropriate instructions presented in steps 5 through 8 of the Replacing Packing section 9 Drive in the taper pins securely 10 Rotate the disc to the closed position To install the seal ring and complete the assembly follow the procedures presented in steps 5 through 9 of the Replacing Seal Ring section Actuator Mountinq Re install the seal ring and packing rings using the appropriate procedures before installing the actuator or handlever Mount the actuator on the valve in accordance with the Actuator Mounting section in the actuator or handlever instruction manual In the Packing Maintenance Removing the Actuator steps you should have noted the position of the mark on the end of the valve shaft and its relationship to the actuator shaft If not determine the configuration needed to match your application Be certain that the disc is rotating counterclockwise to open when viewed from the actuator side of the valve and that the disc is not rotated beyond its limits 1 Orientate the valve drive shaft correctly to match the actuator or handlever position install the actuator coupling and hold it in place while matching the actuator mounting pads with each other 2 Tighten the actuator mounting cap screws to t
33. lation 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 Description The A41 high performance butterfly valves have eccentrically mounted discs to reduce wear and reduce torque requirements The valve includes filled PTFE or graphite packing rings that electrically bond the shaft to the valve body This valve has a Double D drive shaft end and soft or metal seal rings for use in a wide variety of applications EMERSON www Fisher com Process Management A41 Valve November 2012 Table 1 Specifications Instruction Manual D500211X012 Valve Sizes and End Connection Styles NPS 2 3 4 6 8 10 and 12 valves in wafer or single flanged style NPS 2 available in wafer style only Maximum Inlet Pressures 1 Carbon Steel Stainless Steel and CN7M Valves Consistent with CL150 and 300 pressure temperature ratings per ASME B16 34 unless limited by material temperature capabilities NPS 2 is also consistent with CL600 Maximum Pressure Drops Consistent with CL150 and 300 pressure temperature ratings per ASME B16 34 except for PTFE UHMWPE and Phoenix seals that are derated at some higher pressure temperatures
34. maintenance operations to avoid personal injury To avoid personal injury or property damage resulting from the sudden release of pressure do not install the valve assembly where service conditions could exceed the limits given in this manual the limits on the appropriate nameplates or the matching pipe flange rating Use pressure relieving devices as required by government or accepted industry 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 A41 Valve Instruction Manual November 2012 D500211X012 CAUTION The valve configuration and construction materials were selected to meet particular pressure temperature pressure drop and controlled fluid conditions specified in the customer s order Because some body trim material combinations are limited in their pressure drop and temperature range capabilities especially due to differences in thermal expansion rates do not apply any other conditions to the valve without first contacting your Emerson Process Management sales office 1 Install a three valve bypass around the control valve assembly if continuous operation is necessary during inspection and maintenance of the valve 2 Inspect the valve to be certain that it is free of foreign ma
35. nance section in this instruction manual Isolate the control valve from the line pressure release pressure from both sides of the valve body and drain the process media from both sides of the valve If using a power actuator also shut off all pressure lines to the power actuator and release all pressure from the actuator Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment WARNING The edges of a rotating disc have a shearing effect that may result in personal injury To help prevent such injury stay clear of the disc edges when rotating the disc figure 4 11 A41 Valve Instruction Manual November 2012 D500211X012 CAUTION Damage to the disc key 3 sealing surfaces may occur if the disc is not closed when the valve is being removed from the pipeline For fail open actuators it may be necessary to apply loading pressure to the actuator to retain the disc in the closed position while removing the valve from the pipeline 2 Be sure the disc is in the closed position before attempting to remove the valve from the pipeline or flanges For Fail Open Actuators It will be necessary to provide a temporary loading pressure to the actuator to move the valve disc to the closed position Observe the above Warning when closing the valve If a loading pressure is required use caution when working with the valve If the loading pressure is disconnected the disc will open rapidl
36. nch 1 3 4 inch KALREZ 1 2 inch 5 8 inch 3 4 inch 1 inch 1 1 4 inch 1 1 2 inch 108 Packing Ring Graphite Ribbon 1 2 inch 5 8 inch 3 4 inch 1 inch 1 1 4 inch 1 1 2 inch 1 3 4 inch 111 Tag 114 Packing Follower 115 Packing Washer Graphite Ribbon 1 2 inch 5 8 inch 1 inch 1 1 4 inch 1 1 2 inch 1 3 4 inch Recommended spare parts D500211X012 Part Number 12B7442X012 12B7454X012 12B7466X012 14B3045X012 16 6082 012 16 6083 012 16 6084 012 16 6085 012 16 6086 012 16 6087 012 12 9058 012 14B6188X012 14B6190X012 14B6191X012 14B6195X012 14B6197X012 14B6198X012 12 9134 012 12 9135 012 12 9136 012 12 9137 012 12 9138 012 12 9139 012 12 9140 012 14 8362 012 14 9771 012 14 8365 012 14 8366 012 14 8367 012 14 9772 012 Instruction Manual A41 Valve D500211X012 November 2012 Key 2 Seal Retainer ws Se c cw wm Wei PTFE Seal Ring 7580002012 75B0002X022 7580002X032 7580002X042 7580002 062 7580002052 _ 8 J580010X 580010K022 7580010X032 7580010042 75800105062 7580010X052 NOVEX and Phoenix Ill Seal Ring 2 zmaenaz 3 7581040012 7591040072 4 758104D012 7581040072 78080982 __ Wafer 6 880424012 75BI04axO72 7561022082 7581539012 7581539022 2581539032 39 758154392 J5815403622 5840032 12
37. ng seal ring installation to permit accurate centering of the seal To install the new seal ring For a PTFE seal if the spring key 5 was disassembled hook the spring ends together Work the spring into the recess in the seal ring key 4 Install the seal ring and spring assembly into the recess in the valve body as shown in figure 13 For a complete 531600 stainless steel seal ring assembly install the seal ring assembly as shown in figure 13 8 531600 stainless steel seal ring on which the gaskets will be replaced lay the following parts down in order so that they are accurately centered on the valve one new gasket the seal ring oriented as shown in figure 13 and the second new gasket Attach the seal retainer and if used the retainer clips and washers to the valve body and secure with the machine screws Tighten the machine screws evenly so as not to crack or break the 31600 stainless steel seal ring gaskets if used Be certain the disc is closed before installing the valve according to the Installation section of this instruction manual Disc Drive Shaft and Bearing Maintenance for NPS 3 through 12 This procedure is to be performed when replacing the valve disc drive shaft taper pins hollow pins and bearings due to wear or damage to one or more component parts Part locations and key numbers are shown in figures 9 and 11 unless otherwise noted Instruction Manual A41 Valve D500211X012 November 201
38. o notrestrict the retainer ring removal e Rotate the disc to the open position as shown in figure 7 e Onthe seal ring side of the retainer ring locate one of the knock out points machined on the retainer ring Using a hammer and flat end punch on the knock out point pop out the retainer ring from the valve body see figure 8 CAUTION When popping out the retainer ring be very careful to hit only the knock out points Hitting anywhere else can cause non repairable damage to the t slot area e For valves with PTFE seal rings remove the spring key 5 as it may be necessary to re install the spring into the new PTFE seal ring e Clean all sealing surfaces and parts before re assembly Proceed to step 3 below For valves with screwed retainer rings e Placethe valve on blocks with the seal retainer facing up e Remove the retainer ring screws key 23 If necessary use two of the retainer screws in the tapped holes in the retainer ring key 2 to jack the retainer ring loose from the valve body surface 2 Remove the seal ring from the valve body seal ring slot e For valves with PTFE seal rings remove the spring key 5 as it may be necessary to re install the spring into the new PTFE seal ring e For valves with metal seals remove the gasket key 16 from the valve body surface and discard it as replacement is recommended 3 If itis necessary to replace the disc drive shaft and the bearings refer to the Disc Drive Sh
39. recommended but not required to remove the actuator for easier handling of the valve during the following procedures Key numbers are shown in figure 12 unless otherwise noted 13 A41 Valve November 2012 Instruction Manual D500211X012 Figure 6 Typical Packing Arrangements m V RING PACKING PACKING FLANGE KEY 102 REDUNDANT SHAFT RETENTION SPRING PACK ASSEMBLY KEY 103 ANTI EXTRUSION RING KEY 106 PACKING SET KEY 105 PACKING FLANGE KEY 102 REDUNDANT SHAFT RETENTION SPRING PACK ASSEMBLY KEY 103 PACKING SET 1086817 A KEY 105 B2435 C0785 2 NOTE 1 gt INCLUDES ZINC WASHERS FOR GRAPHITE RIBBON PACKING ONLY 14 ES FOLLOWER KEY 102 PACKING SET KEY 105 PACKING RING KEY 105 PACKING BOX RING KEY 107 GRAPHITE RIBBON PACKING STANDARD PACKING PACKING FLANGE NUT 101 3 a NY 4 IN LUBRICANT 1 113 E SPRING COMPRESSED PACKING FLANGE STUD ua 2 100 m 122222 2 SHAFT STEP VA lt VALVE BODY KEY 1 e PACKING BOX RING KEY 107 ENVIRO SEAL PTFE PACKING SYSTEM PACKING FLANGE NUT KE 101 NN ANY a LUBRICANT m KEY 113 E SPRING COMPRESSED FLANGE X STUD KEY 100 1 222 BS As 2 SHAFT STEP As VALVE
40. sc should be open while installing the seal ring If not rotate the disc to the open position as shown in figure 7 b Hook the spring ends together insert the spring see figure 9 into the groove in the seal ring and work the spring into the recess in the PTFE seal ring c Install the seal ring key 4 assembly into the slot in the valve body as shown in figure 9 Refer to installing the retainer ring steps below 2 Installing metal seals Note For metal seals only it may be necessary to apply dry film lubricant or equivalent moly disulfide to the sealing surfaces of the disc seal and the seal retainer groove Prior to applying the lubricant the sealing surfaces should be inspected for injurious defects Surfaces can be polished using a scouring pad or equivalent The edge of the seal that contacts the retaining ring groove should also be inspected and polished if necessary a Rotate the disc to the open position as shown in figure 7 The seal ring will be damaged if the disc remains in the closed position during seal and retainer ring assembly WARNING Do not lubricate parts when used in oxygen service or where the lubrication is incompatible with the process media Any use of lubricant can lead to the sudden explosion of media due to the oilloxygen mixture causing personal injury or property damage b Install the metal seal ring assembly see figure 9 17 A41 Valve November 2012 Figure 9 Available Seal Config
41. te wear and could produce higher rotating friction loads on the valve stem If necessary refer to the Packing Maintenance section ENVIRO SEAL Packing Systems will not require this initial re adjustment Refer to the separate ENVIRO SEAL Packing System for Rotary Valves Instruction Manual D101643X012 for repair and adjustment procedures For hazardous atmosphere or oxygen service valves read the following Warning and provide the bonding strap assembly mentioned below if the valve is used in an explosive or hazardous atmosphere WARNING The valve drive shaft is not necessarily grounded to the pipeline when installed If the process fluid or the atmosphere around the valve is flammable personal injury or property damage could result from an explosion caused by a discharge of static electricity from the valve components Standard PTFE packing is composed of a partially conductive carbon filled PTFE female adaptor with PTFE V ring packing Standard graphite packing is composed of all conductive graphite ribbon packing rings Alternate shaft to valve body bonding is available for hazardous service areas where you feel the the standard packing is not sufficient to bond the shaft to the valve see the following steps For oxygen service applications it is necessary to provide alternate shaft to valve body bonding see the following steps 4 Attach the bonding strap assembly key 131 figure 5 to the shaft with the clamp key 130 fig
42. terial 3 Becertain that adjacent pipelines are free of any foreign material such as pipe scale or welding slag that could damage the valve sealing surfaces CAUTION Damage to the disc will occur if any pipe flanges or piping connected to the valve interfere with the disc rotation path If the piping flange has a smaller inner diameter than specified for schedule 80 piping measure carefully to be certain the disc rotates without interference before putting the valve into operation Valve Orientation Wheninstalling the valve it is highly recommended that the valve drive shaft be horizontal as shown in figure 4 Valve Direction The high performance butterfly valve is designed to allow flow in either direction when in the open position When in the closed position high pressure should be applied to a specific side of the disc to provide best performance and optimal valve life see list of seal types below See figure 4 Table 5 Special Spiral Wound Gasket Dimensions Inches Valve Size NPS Class Gasket Internal Diameter Gasket Outside Diameter ud Diameter 1 Dimension 601 and ASME B16 5 Flanges Applications with bi directional seals such as soft or Phoenix under normal operating conditions can at different times experience pressure in both directions the highest of the two pressures should be exerted on the preferred side ofthe disc If the two pressures are equal then the one lasting t
43. the optional ENVIRO SEAL Packing System refer to the separate ENVIRO SEAL Packing System for Rotary Valves Instruction Manual D101643X012 for packing maintenance procedures When replacing the packing it is recommended that you remove the control valve assembly from the pipeline Valve actuator travel adjustments must be made with the valve out of the pipeline Disassembly Part locations and key numbers are shown in figures 5 and 11 1 Remove the packing flange nuts key 101 and the packing flange key 114 2 Remove the old packing rings using a formed hook CAUTION Carefully use the hook Avoid scratching the drive shaft or packing box wall Scratches on valve surfaces can cause leakage Note the packing box ring key 107 can remain in place when replacing the packing only 12 Instruction Manual A41 Valve D500211X012 November 2012 Clean all accessible metal parts and surfaces to remove particles that would prevent the packing from sealing Assembly Inspect the shaft If itis damaged it cannot make a good seal with the packing and it must be replaced 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 Inspect the packing box wall for nicks and scratches when performing the following procedures If the valve is equipped with the ENVIRO SEAL packing system refer to the separate ENVIRO SEAL Packing System for Rotary Val
44. til the two measurements are equal 26 A41 Valve November 2012 Instruction Manual D500211X012 Parts Ordering When corresponding with your Emerson Process Management sales office about this equipment always mention the valve serial number When ordering replacement parts also specify the key number part name desired material using the Parts List table 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 ENVIRO SEAL Packing Arrangements Retrofit kits and repair kits are listed in the following tables For additional parts and repair information refer to the ENVIRO SEAL Packing System for Rotary Valves Instruction Manual D101643X012 or contact your Emerson Process Management sales office for assistance Retrofit Kits for ENVIRO SEAL Packing Retrofit kits include new parts for the key numbers listed in the table below see figure 6 for part locations PARTS INCLUDED IN KIT 100 Packing stud 101 Packing nut 102 Packing flange 103 Spring pack ass y 105 Packing set 106 Anti extrusion washer 107 Packing box ring 111 Tag 112 Tie cable 1 Diameter through the packing box ENVIRO SEAL Packing System Retrofit Kits For Fisher A41 SHAFT
45. uration P VALVE BODY RETAINING RING PRESSURE ASSISTED SEAL HIGH PRESSURE SHUTOFF es NPS 2 METAL SEAL GRAPHITE GASKET KEY 16 VALVE BODY KEY 1 SEAL RING KEY 4 HUB SIDE OF DISC PRESSURE SHUTOFF FLOW DIRECTION RETAINING RING KEY 2 UNIDIRECTIONAL SEAL NOVEX METAL SEAL 6360 1 3 Installing the retainer ring Instruction Manual D500211X012 RETAINING RING VALVE KEY 2 BODY KEY 1 SPRING KEY 5 SEAL RING KEY 4 DISC FACE BIDIRECTIONAL SEAL PTFE SEAL RETAINING RING VALVE BODY GRAPHITE KEY 1 GASKET KEY 16 BACKUP O RING SEAL RING KEY 15 KEY 4 HUB SIDE OF DISC RESILIENT INSERT BIDIRECTIONAL SEAL PHOENIX IlI METAL SEAL a Valves with PTFE seal rings do not require a retainer ring gasket key 16 b Valves with metal seals require a retainer ring gasket key 16 The gasket is not pre punched for insertion of retainer screws The holes are not necessary for press fit retainer rings CAUTION When handling the new retainer ring gasket be sure to avoid kinking cracking or breaking the gasket Damage to the gasket can cause leakage between the seal retainer and valve body c Lay the gasket key 16 down so that it is accurately centered on the valve body 4 For valves with press fit retainer rings a Wipe excessive oil off the retainer ring outside diameter and off the retainer counterbore in
46. ure 5 5 Connect the other end of the bonding strap assembly to the valve flange cap screws 6 For more information refer to the Packing Maintenance section below A41 Valve Instruction Manual November 2012 D500211X012 Figure 4 Flow Direction RETAINER RING SIDE RETAINER RING SIDE FLOW ARROW FLOW ARROW ARROW SHOWS PREFERRED FLOW DIRECTION FOR SOFT SEALS AND NPS 2 METAL SEAL ARROW SHOWS FLOW DIRECTION FOR NOVEX METAL SEAL AND PREFERRED FLOW DIRECTION FOR PHOENIX METAL SEAL FORWARD FLOW REVERSE FLOW REVERSE FLOW FORWARD FLOW NOTES 1 BY EMERSON PROCESS MANAGEMENT DEFINITION e FORWARD FLOW IS INTO THE FACE SIDE OF THE DISC e REVERSE FLOW IS INTO THE HUB SIDE OF THE DISC FACE SIDE OF DISC 75B1181 A A6881 2 Maintenance Valve parts are subject to normal wear and must be inspected and replaced as necessary The frequency of inspection and replacement depends upon the severity of service conditions Instructions are given in this section for replacing packing seal ring disc shaft bearings and other valve parts Also instructions are provided for changing valve action mounting and adjusting the actuator Refer to the actuator instruction manual for additional information for mounting and adjusting the actuator A41 Valve Instruction Manual November 2012 D500211X012 CAUTION It is possible to damage the valve if the actuator travel stops are not properly adjusted before stroking the valve
47. ves Instruction Manual D101643X012 for assembly Note Except with oxygen service lightly lubricate new PTFE V rings with silicone base lubricant to aid in assembly WARNING Do not lubricate parts when used in oxygen service or where the lubrication is incompatible with the process media Any use of lubricant can lead to the sudden explosion of media due to the oill oxygen mixture causing personal injury or property damage Install the new packing parts see figure 6 Install the packing follower and finger tighten the packing flange nuts onto the studs only enough to stop leakage NJ Ifthe valve was equipped with a bonding strap assembly fiqure 5 re install the assembly UJ Refer to the Actuator Mounting section of this manual If necessary refer to the separate actuator instruction manual for adjustment procedures 4 When the valve is being placed into operation check around the packing follower for leakage For PTFE filled or graphite standard packing arrangements covered in this manual often leakage from the packing can be stopped by tightening the packing flange nuts just enough to stop the leak CAUTION Use caution when tightening the nuts overtightening nuts can damage packing box parts and result in increased drive shaft friction Seal Ring Maintenance for NPS 3 through 12 Perform this procedure if the control valve is not shutting off properly that is if it is leaking downstream It is
48. y 3 With the disc in the closed position remove line bolting Remove the valve assembly from the pipeline and place the actuator valve assembly on a flat working surface 4 f a grounding strap is used see figure 5 remove the hex nut to release the end of the strap Remove the clamp key 130 and strap key 131 5 Note the orientation of the actuator with respect to the valve body Also remove the actuator cover to note the orientation of the actuator with respect to the valve drive shaft see figure 7 When re assembling the valve assembly you will need to correctly position the mark on the end of the valve drive shaft and the valve body with respect to the actuator drive shaft Refer to the Actuator Mounting section and figure 7 for the location of the mark on the actuator end of the valve drive shaft Additional information is provided in the actuator manual to assist with disassembly re assembly and travel adjustments 6 Remove the actuator mounting screws key 14 7 Remove the actuator from the valve and remove the valve actuator coupling Packing Maintenance WARNING Refer to the WARNING at the beginning of the Maintenance section in this instruction manual Standard graphite packing is composed of all conductive packing rings PTFE filled packing has a partially conductive packing ring such as a carbon filled PTFE female adaptor to electrically bond the shaft to the valve body If the valve is equipped with
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