Fisher 9500 User's Manual
Contents
1. control valve from all pressure and relieve pressure from the valve body before removing the valve from the line Be sure the disc is closed so that it will not hit the mating flanges when being removed from the line With the valve removed from the line position the actuator to the valve closed end of the travel Measure the distance between the valve face and the top and bottom edges of the disc as shown in figure 2 The disc is at the fully closed position if the two measurements are equal To adjust linkage refer to the actuator instruction manual Three Way Valve Tandem Linkage If the valve is used as part of a three way valve assembly adjustment of the tandem linkage see figure 5 may be necessary to ensure proper rotation of the slave valve disc If the adjustment is being performed with the three way valve assembly out of the line temporarily bolt the valve bodies to the tee to compress the liner faces until there is metal to metal contact between the valve bodies and the tee Check the rotation of the power valve disc per instructions in the Linkage section If necessary adjust the linkage between the actuator and the power valve To check the fully closed position of the slave valve disc use the partial keyway on the slave valve shaft or measure equal distances between the slave valve face and the top and bottom of the slave valve disc as described in the Linkage section Tighten the Instruction Manual Form2. LEVER COUNTERCLOCKWISE SO THAT LEVER INDEX ACTUATOR SIDE OF VALVE MARK IS OFFSET 1 SPLINE TOOTH FROM VALVE SHAFT INDEX 3 gt ARROWS INDICATE DIRECTION OF ACTUATOR ROD TRAVEL MARK FOR 1 2 THROUGH 3 4 INCH VALVE SHAFTS AND 2 REQUIRED TO OPEN VALVE SPLINE TEETH FROM VALVE SHAFT INDEX MARK FOR 1 INCH AND LARGER VALVE SHAFTS 54A3246 B aa Figure 6 Splined Shaft Index Mark Alignment for Standard Mounting Position Valve Action Combinations 11 9500 Valve Instruction Manual Form 2433 November 2007 1 Refer to the appropriate actuator instruction manual for assistance in disconnecting and removing the actuator lever Avoid disturbing the actuator turnbuckle adjustment if possible 2 If the valve disc is a Fishtail disc rotate the disc 180 degrees from the original position 3 Position the disc in its fully closed position To ensure that disc is fully closed measure equal distances between valve face and top and bottom of the disc as shown in figure 2 or check to be sure that the flat spot or index mark on the valve shaft is in top dead center or bottom dead center in relation to the valve To avoid personal injury keep hands away from the actuator rod in the following procedure 4 Note the position of the valve shaft index mark Index mark alignments for reversed action are not shown in figure 6 To determine proper index mark alignment proceed as follows a Stroke the actuator to the valve closed end of trav
3. disc must be located in the upstream end of the valve see figure 2 CAUTION As noted in the following paragraphs improper use of additional gasketing materials will damage the valve liner The valve body liner extends past or overlaps the valve face producing the partial O ring shown in figure 3 It also acts as the flange gasket Improper use of additional gasketing materials will damage the valve liner Care must be taken during installation to ensure that the pipe flanges are properly supported Pipe flange support is required to avoid liner flange joint leakage or problems during valve operation Slip on pipe flanges may be used with NPS 2 3 or 4 valves An NPS 6 valve or larger will require flange adapters for complete liner support Mating flanges or pipe flanges with inside diameters smaller than the minimum shown see table 3 may interfere with the opening of the disc Flanges or pipes with an inside diameter larger than the maximum shown see table 3 may not be in full contact with the liner Install flange adapters in each case either to provide disc clearance or to fully contact the liner Flexible plastic flanges fiberglass slip on or weld neck with other than standard inside diameters may not provide adequate support for the liner Also flexible mating flanges can be warped with excessive line bolt load They may fail to support the liner at the inside diameter of the valve body Use flange adapters avail
4. hazardous area electrically bond the drive shaft to the valve 11 Attach the bonding strap assembly key 131 figure 4 to the shaft with the clamp key 130 figure 4 12 Connect the other end of the bonding strap assembly to the valve flange cap screws Adjustments Hub Seals Key number locations are shown in figure 7 Thrust sleeve assemblies key 6 seal the disc hubs In time especially with frequent valve disc rotation these seals may require adjustment Adjust the seals if there is leakage through the valve body around the valve shaft A small amount of 9500 Valve Instruction Manual Form 2433 November 2007 leakage downstream between the bushings and disc hubs may also indicate a need for hub seal adjustment To adjust the hub seals 1 Tighten both thrust plate cap screws key 10 1 4 turn on one side the side where shaft leakage is occurring CAUTION To avoid excessive side thrust on the disc and possible liner damage tighten cap screws on both sides of the valve alternately and in 1 4 turn increments Do not over tighten by continuous turning or by tightening one side only Over tightening the cap screws will cause the liner to fail 2 Tighten both thrust plate cap screws 1 4 turn on the other side of the valve 3 Repeat steps 1 and 2 until leakage stops Note If this adjustment is being performed to stop minor leakage past the disc check the leakage after turning the cap sc
5. must be large enough to allow the valve disc to rotate freely into the upstream and downstream piping or the disc could be damaged Do not use piping or flanges having an inside diameter smaller than the minimum shown in table 3 b The inside of the mating flange must also be small enough to be in full contact with the partial O rings on the liner faces Leakage through the flange connections and damage to the liner could Instruction Manual Form 2433 November 2007 9500 Valve result if the partial O ring faces are not properly supported Do not use flanges having an inside diameter larger than the maximum shown in table 3 The NPS 6 to 10 sizes must not be used with slip on flanges unless flange adaptors are used to support the liner When using slip on flanges with other sizes be certain the valve is carefully centered to ensure that the partial O ring faces are in full contact with the adjacent flanges c When a flange adapter is necessary a flange gasket must be installed between the line flange and the flange adapter Do not use a flange gasket between the valve and the flange adapter Additional gasketing material at this location could damage the liner d The valve disc must be in the closed position when the valve is being inserted into the pipeline If the valve disc is not closed it could be damaged against the mating piping or flanges 6 Insert the valve into the pipeline Insert four flange studs or bolt
6. valve from process pressure Relieve process pressure on both sides of the valve Drain the process media from both sides of the valve e Vent the 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 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 9500 Valve Instruction Manual Form 2433 November 2007 NOSE OR LEADING EDGE OF DISC LOCATION OF FLAT SPOT ON VALVE SHAFT 25 OPEN FLOW LOCATION OF INDEX MARK ON END OF VALVE SHAFT Fishtail DISC WITH SPLINED VALVE SHAFT 1 EQUAL MEASUREMENTS BETWEEN VALVE FACE AND DISC EDGE AT TOP AND BOTTOM ENSURE FULLY CLOSED DISC 2 gt FOR Fishtail DISC PARTIAL KEYWAY OR FLAT SPOT IS ON SAME SIDE AS NOSE OF DISC A2755 1 IL Figure 2 Valve Shaft Marking PARTIAL O RING LINER FACE TO FACE L ERE METAL FACE TO FACE Figure 3 Partial O Ring Location hardware or packing rings or when loosening the packing box pipe plug 1 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 continuous operation is required during inspe
7. 0 32 kg 70 Ib NPS 12 54 kg 120 Ib 1 The pressure temperature limits in this manual and any applicable standard or code limitation should not be exceeded Table 2 Operative Temperature Disc Liner Operative Type Material Temperature Nitrile 7 to 93 C 20 to 200 F Conventional or Fishtail PTFE 18 to 121 C 0 to 250 F 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 To avoid such injury or damage provide a relief valve for over pressure protection as required by government or accepted industry codes and good engineering practices Check with your process or safety engineer for any additional measures Instruction Manual Form 2433 November 2007 9500 Valve 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 These valves may be installed in many positions by referring to the Actuator Mounting procedures and figure 6 in this manual For conventional discs flow may be in either direction For Fishtail discs the leading edge of the
8. 2433 November 2007 9500 Valve FLOW ROTARY ACTUATOR HOUSING POWER VALVE CONNECTING ROD ASSEMBLY SLAVE VALVE FOR SPLINED VALVE SHAFTS B2144 1 IL Figure 5 Tandem Linkage Adjustment for Three Way Valve Assemblies locknuts on the tandem linkage when adjustment is complete Maintenance Use table 4 to locate and correct possible leakage or mechanical linkage problems with the valve Avoid personal injury from sudden release of process pressure Before performing any maintenance operations 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 on both sides of the valve Drain the process media from both sides of the valve e Vent the 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 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 o
9. 9337 022 19 9339 022 19A9347X012 19A9349X012 19A9351X012 19A9334X022 19A9336X022 19A9338X022 19A9340X022 19A9348X012 19A9350X012 19A9352X012 19A9333X012 19A9335X012 19A9337X012 19A9339X012 19A9341X012 19A9343X012 19 9345 012 19 9334 012 19 9336 012 19 9338 012 19 9340 012 19 9342 012 19 9344 012 19 9346 012 1368135072 61194435072 61194235072 61194035072 61193835072 61329135072 1374835072 13 9500 Valve Instruction Manual Form 2433 November 2007 e q 7 MS DSD PARTS NOT SHOWN 22 G34171 B DOC Key Description 15 Taper Pin 2 req d continued 517400 17 4 5 2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 520910 5 2 NPS 3 NPS 4 NPS 6 14 1077 2 gt C ASSAF Part Number F1368135362 G1194435362 G1194235362 G1194035362 G1193835362 G1329135362 H1374835362 F13681K0022 G11944K0032 G11942K0012 G11940K0022 ZZ el 1 1 b ts LESSSSS SS 2222226 Figure 7 Type 9500 Valve Body Assembly Key Description Part Number 15 Taper Pin 2 req d continued 520910 58 G11938K0032 NPS 10 G13291K0012 NPS 12 H13748K0032 16 Nameplate 17 Drive Screw steel 2 req d 19 Flow Tag stainless steel Fishtail disc only 21 Fishtail Disc Tag Fishtail disc only 22 Flange Tag not shown 26 Seal amp Wire not shown 130 Clamp stainless steel 131 Bounding strap assembly 132 Flange Ada
10. F3897305562 F3897405562 F3897505562 F3897605562 F3587505452 F3587905452 F3588005452 F3581005452 F3588105452 F3588205452 F3588305452 L17986K0012 L17987K0012 L17988K0012 L17989K0012 L17990K0012 L17991K0012 L17992K0012 F65117K0012 F61929K0012 F65480K0012 F65493K0012 F65484K0012 F66225K0012 F63606K0012 L17986K0042 L17987K0032 L17988K0042 L17989K0032 L17990K0032 L17991K0022 L17992K0032 F65117K0022 F61929K0022 F65480K0022 F65493K0022 F65484K0022 Key Description Shaft 520910 continued NPS 10 NPS 12 531600 316 stainless steel Type 1083 NPS 2 Type 1083 NPS 3 Type 1083 NPS 4 Type 1083 NPS 6 CL125 150 NPS2 NPS 3 5 4 56 58 5 10 5 12 Sleeve Bushing Assy 2 req d Stainless Steel PTFE CL150 CF8M body NPS 2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 CL300 CF8M body NPS 2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 Steel PTFE CL125 150 Iron steel body NPS2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 CL300 steel body NPS2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 Plate Thrust 2 req d Screw Cap hex hd 4 req d Taper Pin 2 req d 531600 316 SST NPS2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 Part Number F66225K0022 F63606K0022 18A5865X022 18A5866X022 18A5867X022 18A5868X022 L17986K0032 L17987K0022 L17988K0032 L17989K0022 L1799035072 L1799135072 L17992K0022 19A9333X022 19A9335X022 19
11. Instruction Manual Form 2433 November 2007 9500 Valve Type 9500 Butterfly Control Valve Contents Introduction 1 Scope of Manual 1 Description 1 Installation eru A REA 2 Adjustments 5 Hub Seals 5 Linkage isi 95 rd ad bene ede ee eae 6 Three Way Valve Tandem Linkage 6 Maintenance 7 Disassembly 7 Reassembly 9 Actuator Mounting 10 Changing Disc Rotation and Action 10 Parts 0 12 Parts List nee tenes 13 Introduction Scope of Manual This manual provides installation adjustment and maintenance information for Type 9500 butterfly valves These valves use splined shafts with actuator mounted brackets and linear motion actuators see figure 1 Refer to separate manuals for instructions covering the power actuator or the manual handwheel actuator positioner and other accessories Do not install operate or maintain a Type 9500 valve without first e being fully trained and qualified in valve actuator and accessory installation operation and maintenance and e carefully reading and understanding the contents of this manual If you have any questions about these instructions c
12. able from Emerson Process Management during installation to avoid these problems Whenever a flange adapter is used a standard flange gasket must be installed between the line flange and flange adapter Do not use a flange gasket between the valve and flange adapter The partial O ring on the liner acts as the flange gasket and any additional gasket here will damage the liner The Type 9500 valve may be used as part of a three way valve assembly The actuator valve linkage is adjusted at the factory you won t need to adjust the linkage before placing the valve in service If the valve and actuator are being re installed after removal or if you suspect that the linkage is out of adjustment refer to the Linkage portion of the Adjustments section before installing the valve in the pipeline If the valve has been purchased separately or if the actuator has been removed complete the procedures in the Actuator Mounting section of this manual before proceeding Avoid personal injury from sudden release of process pressure Before performing any maintenance operations 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 completely shut off the process to isolate the
13. ction or maintenance install a three valve bypass around the control valve assembly Table 3 Maximum and Minimum Allowable Mating Flange Diameters MAXIMUM AND MINIMUM DIAMETER OF MATING VALVE PIPING OR FLANGES SIZE NPS Minimum Maximum mm Inches mm Inches 2 30 1 20 64 2 50 3 64 2 50 92 3 62 4 89 3 50 117 4 62 6 145 5 70 171 6 75 8 196 7 70 222 8 75 10 246 9 70 273 10 75 12 297 11 70 330 13 00 2 Be certain the pipeline flanges are in line with each other and supported CAUTION To avoid damaging valve seating surfaces make sure the adjacent piping is free of pipe scale welding slag and any other damaging material 3 Inspect the valve body to be sure it is free of foreign material Make sure the adjacent piping is free of pipe scale welding slag and any other material that could damage valve seating surfaces 4 Measure to be sure the distance between the pipeline flanges is approximately 1 4 inch greater than the valve face to face dimension This will ensure easy installation without distorting the liner figure 3 5 For conventional discs flow may be in either direction for Fishtail discs flow must be such that the tail of the disc as shown in figure 2 will rotate into the downstream side of the valve CAUTION To avoid damaging valve parts observe the following precautions before inserting the valve in the line a The inside diameter of the mating piping or flanges
14. e to the oil oxygen mixture causing personal injury or property damage 1 Insert the liner key 2 into the valve body A small amount of silicone grease applied to the outside surface of the liner will aid insertion of the liner However do not use grease if the valve is to be used for oxygen service In vacuum service applications upon customer request you may use Eccobond 285 24LV bonding agent Fisher part no G1414006992 to bond the liner to the valve Though bonding is not required use the lettered steps below when bonding the liner to the valve body If a different agent is to be used follow instructions furnished by the bonding agent manufacturer In absence of instructions consult your Emerson Process Management sales office a Roughen bonding surface of liner with a stiff wire brush De grease bonding surfaces of the liner and valve body with solvent b Mix the two epoxy components thoroughly and spread a thin coat approximately 0 38 mm 0 015 inches thick of the mixture over all bonding surfaces of the valve body and liner c Insert the liner into the valve body Align the liner shaft holes with valve body shaft holes Remove excess bonding agent from shaft holes and exposed liner surfaces d Insert the disc key 3 thrust sleeve assemblies key 6 and shaft key 4 into the valve body Be sure the thrust sleeve assemblies engage the liner recesses to ensure proper liner positioning Rotate the disc to
15. e valve body 8 Remove the liner key 2 from the valve body Some Type 9500 valves have the liner bonded to the valve body If the valve has a bonded liner burn or chip out the liner Once the shaft has been removed the disc may fall from the valve body causing personal injury or disc damage Support the disc before removing the shaft 6 Pull the shaft out of the valve body If the shaft cannot be pulled from the valve body drive the shaft To strip the liner out with solvent use Dynasolve 185 or equivalent solvent Dynasolve is a product of DYNALOY Inc Cover the valve with solvent bath or enclose the solvent bath around the liner Remove all adhesive after the liner has been removed Instruction Manual Form 2433 November 2007 9500 Valve Table 5 Taper Pin Details for 9500 Series Valves VALVE SHAFT ARD SIZE DIAMETER TAPER DRILL SIZE NPS mm Inches PIN SIZE 2 12 7 1 2 2 20 0 161 Inches 3 4 15 9 5 8 3 16 0 177 Inches 6 19 1 3 4 4 13 64 Inches 8 10 25 4 1 6 9 32 Inches 12 31 8 1 1 4 7 21 64 Inches Reassembly Before reassembling the valve clean and inspect all parts Key number locations are shown if figure 7 Refer to the Parts List section to obtain replacement parts 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 du
16. el and retain that position while performing the next step b Keeping hands away from the actuator rod hold the actuator lever up to the valve shaft so that the lever end is in line with the actuator rod end bearing The lever index mark that is most nearly in line with the valve shaft index mark is the index mark that must be used during reassembly If changing to push down to close action with 60 degree operation the lever index mark will be offset 1 spline tooth from the valve shaft index mark for 12 7 through 19 1 mm 1 2 through 3 4 inch valve shafts and 2 spline teeth from the valve shaft index mark for 25 4 and 31 8 mm 1 and 1 1 4 inch valve shafts This offset must be maintained during reassembly 5 Record the alignment determined in step 4 remove the actuator lever and shut off operating pressure to actuator 6 Reassemble the lever to the actuator and adjust the actuator travel if necessary referring to the steps in the appropriate actuator instruction manual Be sure to use the index mark alignment determined above rather than those shown in figure 6 Parts Ordering A serial number is assigned to each valve body and stamped on the nameplate Always refer to the serial number when corresponding with your Emerson Process Management sales office regarding spare parts or technical information When ordering replacement parts also specify the complete 11 character part number from the parts list information Use o
17. hown in figure 2 10 Using a metal sealing compound on the pins for a positive seal insert the taper pins into the larger end of the taper pin holes Drive the pins with a hammer to seat the pins 11 Attach the thrust plates key 9 with cap screws key 10 When tightening the cap screws do so in small increments alternating from one cap screw to another and from one valve side to the other Tighten the cap screws until the thrust plates contact the thrust sleeve assemblies snugly Then rotate the cap screws enough to move the thrust plates 0 8 mm 1 32 inch closer to the valve body 12 Re attach the actuator according to the steps in the Actuator Mounting section then install the valve according to the steps in the Installation section Actuator Mounting 1 Refer to the appropriate actuator instruction manual to determine the desired actuator mounting style and position With the valve out of the line mount the actuator on the valve per instructions in the actuator instruction manual 2 To determine the fully closed disc position measure the distances between the valve face and the top and bottom edges of the disc as shown in figure 2 The disc is at the fully closed position when the two measurements are equal Rotate the disc slightly if necessary to make the measurements equal 3 Refer to figure 6 and locate the view that depicts the mounting style and position that is being used In the appropriate view on the rig
18. ht of figure 6 note the positions of the index marks on the end of the valve shaft and actuator lever For all positions and styles with 90 degree disc rotation the shaft index mark is to be aligned with the appropriate lever index mark as shown in figure 6 This is also true for push down to open action with 60 degree maximum disc rotation However for push down to close action with 60 degree maximum disc rotation the appropriate lever index mark must be offset one or two spline teeth counterclockwise from the shaft index mark Refer to the appropriate actuator instruction manual for instructions covering attaching the lever and adjusting the turnbuckle For Fishtail discs be certain that the direction of rotation will be such that the tail of the disc see figure 2 will rotate into the downstream side of the valve Changing Disc Rotation and Action Disc rotation can be changed from 0 90 degrees or vice versa by changing travel stops in the actuator and if necessary changing the position of the lever on the splined valve shaft Action can be changed from push down to open to push down to close by removing the actuator and remounting it in the alternate mounting style Refer to the appropriate actuator instruction manual for assistance in disassembly and reassembly to change travel stops and for instructions to change mounting style Note Action for valves using a splined valve shaft can also be changed without changing moun
19. nly 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 will void your warranty might adversely affect the performance of the valve and could give rise to personal injury and property damage Note Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use and maintenance of any product Responsibility for the selection use and maintenance of any product remains with the purchaser and end user Instruction Manual Form 2433 November 2007 9500 Valve Parts List Part numbers are shown for recommended spares only For part numbers not shown contact your Emerson Process Management sales office Key Description 1 Valve Body Part Number If you need a valve body as a replacement part order by valve size serial number and desired material 2 Liner Assy Nitrile NPS2 NPS 3 NPS4 NPS 6 NPS 8 NPS 10 NPS 12 PTFE CR Cloroprene 5 2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 3 Disc 4 Shaft 517400 17 4 SST CL125 150 NPS2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 CL300 NPS 2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 520910 CL125 150 NPS2 NPS 3 NPS 4 NPS 6 NPS 8 NPS 10 NPS 12 CL300 NPS 2 NPS 3 NPS 4 NPS 6 NPS 8 Recommended spare parts F3897005562 F3897105562 F3897205562
20. ontact your Emerson Process Management sales office before proceeding W9224 1 Figure 1 Type 9500 Valve with Type 1052 Actuator and DVC6020 Digital Valve Controller Description The Type 9500 valve is a fully lined butterfly valve for use with corrosive process fluids or wherever stringent shutoff is required The nitrile or PTFE liner completely isolates the valve body and shaft from the process fluid The valve is available with conventional or Fishtail disc designs Note Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use and maintenance of any product Responsibility for the selection use and maintenance of any product remains with the purchaser and end user EMERSON www Fisher com Process Management D100380X012 9500 Valve Instruction Manual Form 2433 November 2007 Table 1 Specifications Valve Sizes NPS E 2 E 3 B4 6 8 86 10 or 12 Valve Body Style Flangeless wafer type valve body to be installed between pipeline flanges End Connection Styles Flangeless wafer style valve body mates with CL125 flat face flanges per ASME B16 1 with CL150 and 300 raised face flanges per ASME B16 34 or EN flanges Maximum Allowable Inlet Pressure Consistent with applicable pressure temperature ratings for 125 per ASME B16 1 or 150 and 300 ASME B16 34 unless limited by maxim
21. pins or install new taper pins using Maintenance procedures 2 Leakage out sides of valve at thrust plates between valve body and thrust bushings leakage at flanges faces or both a Flange gaskets used b Partial O ring bead on liner faces damaged a Check to see if flange gaskets are being used if so remove gaskets b Replace liner using Maintenance procedures 3 Leakage through disc liner seal a Hub seals require adjustment b Linkage requires adjustment c Actuator has insufficient torque output to close disc against pressure drop Actuators are selected to have sufficient torque output to shut off the flow against a specific pressure drop not necessarily against the maximum allowable pressure drop Be sure that the pressure drop for which the actuator is selected is not being exceeded d Liner has been damaged by flowing medium or other valve parts damaged by being subjected to service conditions beyond those for which valve is designed a Adjust seals using Hub Seals portion of Adjustments procedures b Refer to Linkage portion of Adjustments procedures c If possible check shutoff at lower pressure drops If shutoff is obtained at low pressure drops but actuator stalls and does not produce full disc rotation at service pressure drop actuator output torque is too low For piston actuators it may be possible to increase output torque by increasing supply pressure Do not exceed maxim
22. pter not shown 2 req d Recommended spare parts Instruction Manual Form 2433 November 2007 9500 Valve Instruction Manual Form 2433 9500 Valve November 2007 Fishtail and Fisher are marks owned by Fisher Controls International LLC a member of the Emerson Process Management business division of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co Eccobond is a mark owned by Emerson and Cuming Dynasolve is a mark owned by DYNALOY Inc 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 We reserve the right to modify or improve the designs or specifications of such products at any time without notice Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use and maintenance of any product Responsibility for the selection use and maintenance of any product remains with the purchaser and end user Emerson Process Management Marshalltown lowa 50158 USA 68700 Sao Paulo 05424 Brazil eS Singapore 128461 www Fisher com EM ERSON Proce
23. r 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 1 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 Disassembly Key numbers locations are shown in figure 7 1 Loosen all flange studs or bolts Remove all but the bottom flange studs or bolts CAUTION To avoid damage to the valve disc caused by the disc hitting the mating flange be certain the disc is closed before removing the valve from the pipeline 2 If necessary pry flanges apart so that liner faces will not be damaged when the valve is being removed Inspect the disc key 3 and liner key 2 for wear or damage 3 Remove the actuator from the valve Follow instructions in the appropriate actuator instruction manual 4 From both sides of valve unscrew thrust plate cap screws key 10 and remove thrust plates key 9 9500 Valve Instruction Manual Form 2433 November 2007 Table 4 Troubleshooting Guide Fault 1 Leakage out sides of valve at thrust plates between thrust bushings and shaft Possible Cause a Hub seals require adjustment b Taper pins are not sealed Correction a Adjust using Hub Seals portion of Adjustments procedures b Remove valve from line and re seat taper
24. rews enough to move the thrust plates 0 8 mm 1 32 inch closer to the valve body If leakage has not stopped or diminished the leakage is probably due to incorrect linkage adjustment or damaged valve parts Refer to the Linkage section to check linkage adjustment refer to the Maintenance section to inspect and replace parts 4 If leakage around the shaft cannot be stopped by adjusting hub seals refer to the Maintenance section to inspect and replace damaged parts Linkage If the linkage between the power actuator and valve is improperly adjusted the actuator may reach the end of travel before or after the disc reaches the fully closed position This could result in leakage past the disc The linkage adjustment is set at the factory and it should not be necessary to adjust linkage unless the actuator and valve have been separated and the adjustment altered To check the linkage adjustment on Fishtail discs the flat is on the same side of the shaft as the nose or leading edge of the valve disc as shown in figure 2 When the valve disc is at the fully closed position the flat will be either top dead center or bottom dead center in relation to the valve body The top dead center position is shown in figure 2 A more accurate check of the fully closed disc position is obtained by removing the valve from the pipeline To avoid personal injury and damage to the process system caused by the sudden release of pressure isolate the
25. s through the flanges to support the valve 7 Center the valve carefully on the flanges by measuring equal distances at the top and bottom and equal distances at the sides 8 Insert the remaining flange studs or bolts Tighten the studs or bolts evenly Normal flange bolt torques may be used because liner compression is limited by metal to metal contact between flanges and the valve body 9 Rotate the valve disc manually to be certain the disc clears the adjacent piping or flanges as it opens If necessary disconnect the power actuator valve linkage but do not disturb the adjustment of the turnbuckle or adjustable linkage If the disc hits the flange loosen flange bolting temporarily while re centering the valve If the problem cannot be corrected in this manner it will be necessary to use line flanges with larger inside diameters adjacent to the valve 10 For hazardous atmosphere or oxygen service valves read the following Warning and provide the following bonding strap assembly if the valve is used in an explosive atmosphere ACTUATOR END PLATE 37A6528 A DOC Figure 4 Grounding Assembly The valve drive shaft is not necessarily grounded to the pipeline when installed Personal injury or property damage could result if the process fluid or the atmosphere around the valve is flammable from an explosion caused by a discharge of static electricity from the valve components If the valve is installed in a
26. ss Management Fisher Controls International LLC 1976 2007 All Rights Reserved Printed in USA
27. t the new un drilled shaft Position the shaft so that there is the same distance between the valve body and the end of the shaft as noted above 9500 Valve Instruction Manual Form 2433 November 2007 b If installing a new shaft insert the new shaft into the valve body and disc Measure between the valve body and the splined end of the shaft Make certain that the distance is correct to engage the actuator coupling lever Be certain that the flat spot or index mark on the end of the shaft is positioned as shown in figure 2 6 Use a drill or center punch to mark the taper pin holes in the shaft Remove the shaft and disc from the valve body 7 Taper pins used in Type 9500 valve shaft and disc are American Standard taper pins as shown in table 5 Using the disc as a guide drill taper pin holes through the shaft using drill size shown in table 5 8 Use an American Standard taper pin reamer to ream the shaft holes Be certain the reamer is of sufficient length for the disc hub thickness Insert the shaft into the disc when reaming so the disc holes can be used as a gauge for reaming Allow the reamer to just begin reaming the disc holes This will ensure proper seating of the pins 9 Install the disc and shaft into the valve body Be sure the splined end of the shaft is on the actuator side of the valve body that the direction of taper in the taper pin holes match and that the flat spot or zero mark is positioned as s
28. the closed position e Lay the valve on one valve face and add weights to the other face to ensure a tight bond Allow to cure for 24 hours Then proceed with the following reassembly steps 2 Insert the thrust sleeve assemblies into the valve body Be sure that the thrust sleeve assemblies enter the liner recesses to align the shaft holes by temporarily inserting the shaft s key 4 3 A new disc and shaft should be installed if the taper pin holes have been widened by loosening of the taper pins key 15 Omit the following steps 4 through 8 if a new disc and shaft assembly is to be installed or if the old disc and shaft are to be reused Use new taper pins whenever the disc has been removed CAUTION If a new disc is required a complete disc shaft assembly must be purchased to avoid damage to valve parts The old valve shaft cannot be used with a new disc If a new shaft without disc has been purchased be sure to mark the shaft to indicate the disc position as shown in figure 2 4 Making certain the taper pin holes are on the actuator side of the valve body insert the disc into the valve body Position the disc at the fully closed position 5 Installing splined shaft a If the old shaft is available insert it into the valve body and disc Line up the taper pin holes in the disc and shaft measure and record the distance between the valve body and the splined end of the shaft Remove the old shaft and inser
29. ting style by repositioning the actuator lever on the valve shaft For Fishtail discs it will be necessary to rotate the disc 180 degrees so that the tail of the disc will rotate into the downstream side of the valve Use the following procedure Instruction Manual Form 2433 November 2007 9500 Valve ACTUATOR ROD ACTUATOR HOUSING COVER ACTUATOR ROD END BEARING ACTUATOR LEVER LEVER INDEX MARKS 4 VALVE SHAFT INDEX MARK 14A7222 A 54 3246 A1837 3 IL TYPICAL ACTUATOR TYPE 1061 SECTIONAL THROUGH HOUSING ACTUATOR gt MounTING 3 gt MouNTING 3 gt MOUNTING 3 gt MOUNTING MOUNTING 2 gt VALVE CLOSED POSITION POSITION 1 POSITION 2 POSITION 3 POSITION 4 E S STYLE A PUSH DOWN TO OPEN 60 OR 90 DEG OPERATION RIGHT HAND MOUNTING VIEWED FROM VALVE INLET STYLE B PUSH DOWN TO CLOSE 90 DEG OPERATION lt 7 FISHTAIL STYLE C PUSH DOWN TO CLOSE 90 DEG OPERATION lt 1 LEFT HAND MOUNTING VIEWED FROM VALVE INLET STYLE D PUSH DOWN TO OPEN 60 OR 90 DEG OPERATION STYLE A OR D RIGHT OR OPERATION LEFT HAND CONVENTIONAL MOUNTING VIEWED FROM VALVE INLET otyLE B OR C PUSH DOWN TO CLOSE 90 DEG OPERATION 1 15 FOR 60 DEGREE OPERATION WITH PUSH DOWN TO CLOSE 2 gt CURVED ARROWS INDICATE ROTATION REQUIRED TO ACTION EXTENDING ACTUATOR ROD CLOSES VALVE ROTATE OPEN VALVE COUNTERCLOCKWISE WHEN VIEWED FROM ACTUATOR
30. um allowable supply pressure of actuator d Inspect and replace parts using Maintenance procedures 4 Valve shaft will not rotate a If actuator does not stall but shaft does not rotate the spline teeth on the valve shaft are sheared b If actuator stalls shaft is binding in bushings due to linkage misalignment caused by excessive wear of linkage parts c If actuator stalls and linkage is not misaligned actuator may have insufficient output torque to rotate disc against flow a Refer to the actuator instruction manual to remove actuator cover plate Replace valve shaft using Maintenance procedures if spline teeth are sheared b Replace linkage parts c Check actuator operation with no pressure applied to the valve If valve now functions properly actuator is too small 5 Valve shaft rotates but valve does not control process fluid Taper pins or drive shaft spline for coated disc constructions have been sheared due to obstruction to disc rotation or other internal parts damaged by being subjected to service conditions beyond those for which the valve was designed Inspect and replace parts using the Maintenance procedures 5 If taper pin key 15 ends are peened grind off the peened portions Driving from the smaller end of the pins drive the pins out of the disc key 3 and shaft key 4 out but use care to avoid upsetting the end of the shaft 7 Remove the disc from th
31. um allowable pressure drop specification or by material temperature capabilities in table 2 Vacuum Service The valve is suitable for vacuum service to approximately 10 77 mm Hg absolute 3 4 x 10 12 mbar absolute Maximum Shutoff Pressure Drop Standard Operation Cast Iron Valve 12 1 bar 175 psi Steel or Stainless Steel Valve 15 2 bar 220 psi Material Temperature Capabilities See table 2 Flow Characteristic Conventional Disc Approximately equal percentage through 60 degrees of disc rotation Fishtail Disc Approximately equal percentage through 90 degrees of disc rotation Flow Direction Conventional Disc Bidirectional Fishtail Disc Forward flow The tail of the disc opens into the downstream end of the valve see figure 2 Disc Rotation Conventional Disc On Off Service 0 to 60 or 1090 degrees Throttling Service 0 to 60 degrees Fishtail Disc to 60 or 0 to 90 degrees for on off or throttling Shutoff Classification per ANSI FCI 70 2 and IEC 60534 4 Nitrile Liner or PTFE Liner Class VI Mating Flange Capabilities All sizes compatible with welding neck flanges also see Installation section for slip on flanges Code Classifications Dimensions meet MSS SP 67 specifications for face to face dimensions for flangeless valves Approximate Weights Valve Body Assemblies Only NPS 2 9 kg 20 Ib NPS 3 11 kg 25 Ib NPS 4 14 kg 30 Ib NPS 6 20 kg 45 D NPS 8 27 kg 60 Ib NPS 1
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