Emerson Fisher D4 Instruction Manual
Contents
1. Spring to Close Refer to figure 4 1 Loosen the adjusting screw nut key 44 2 Turn the adjusting screw key 31 clockwise to compress the spring or counterclockwise to decrease spring compression 3 After adjustment tighten the adjusting screw nut key 44 Spring to Open Refer to figure 5 1 Unscrew the spring case assembly key 27 2 Turn the adjusting stem nut key 44 clockwise to compress the spring or counterclockwise to decrease spring compression 3 After adjustment replace the spring case assembly key 27 Maintenance Refer to figure 4 Valve parts are subject to normal wear and must be inspected and replaced as necessary The frequency of inspection and maintenance depends on the severity of the service conditions WARNING Avoid personal injury 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 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 media2. 3 2 8 amp 2 S S 8 8 9 9 2 5 o ae 5 Qi a r BA 77 4 NZ p mii ee Sass 27 L LALLI SNK ZINE ANNO AOG BELLEVILLE SPRING AND PACKING ARRANGEMENT M APPLY LUB D103042X012 Instruction Manual Figure 5 Fisher 04 Valve Assembly Spring to Open DA Valve November 2013 amp e amp eem s cx n SIBI J fd 5 Dm E ER a Nike x3 Ss 8 e 5 UO 2 5 nce lt zu gt 2 LL a lt B f NS SSS AA A TA SU py Na mmm ARAS MA n 22 n ME uu n ae TT e JUNG NC LAL A 2 OS 4 APPLY LUB lt TLLZLLL LL e lt 227 Instruction Manual D103042X012 Repair Kits Note All repair kits are supplied with hydrogenated nitrile bonnet O ring FKM fluorocarbon bonnet O ring must be ordered separately when required Description Packing Repair Kit Includes key numbers 4 8 12 2 req d 13 and high performance fluorinated grease Actuator Repair Kit Includes key numbers 4 8 12 2 req d 13 15 18 19 20 25 26 36 53 and high performance fluorinated grease Parts List Note Part Number RD4X0000012 RD4X0000022 For part numbers not shown contact your Emerson Process Management sales office Key Description 1 Valve B
3. 30 Psig 2 to 33 Psig SPRING Heavy Rate Heavy Rate INITIAL SPRING 0 69 Bar 0 42 Bar SETTING 10 0 Psig 6 1 Psig PORT DIAMETER Maximum Pressure Drop 1 The pressure or temperature limits in the referenced tables and any applicable ASME code limitations should not be exceeded 2 For example an Electro Pneumatic Transducer calibrated for 0 4 2 0 bar 6 30 psig output pressure 3 For applications with downstream pressure in excess of 202 bar 2925 psig use 202 bar 2925 psig for Maximum Shutoff Pressure Installation Always wear protective gloves clothing and eyewear when performing any installation operations to avoid personal injury To avoid personal injury or property damage caused by bursting of pressure retaining parts or by uncontrolled process fluid be certain the service conditions do not exceed the limits shown on the valve nameplate and in tables 1 4 5 6 and 7 Use pressure relieving devices 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 Instruction Manual D4 Valve D103042X012 November 2013 WARNING When ordered the valve configuration and construction materials were selected to meet particular pressure tem
4. 40 Replace the upper spring seat key 29 Position the upper casing key 23 on the lower casing key 39 Insert the cap screws key 45 and tighten the hex nuts key 46 Torque the casing cap screws evenly to 27 Nem 20 Ibfeft using a crisscross pattern 6 Adjust the initial spring set per the Spring Adjustment section in this manual Actuator Spring to Open Observe the warning at the start of the Maintenance section Refer to figure 5 Before disassembling the actuator disassemble the valve plug seat ring and packing according to instructions in this manual Disassembly 1 Unscrew the spring case assembly key 27 Turn the adjusting screw nut key 44 counterclockwise to remove all spring compression Remove the adjusting screw nut upper spring seat and spring keys 44 29 and 30 NJ Unscrew the casing cap screws and hex nuts keys 45 and 46 and remove the upper casing assembly key 23 from the lower casing key 39 Remove the cotter pin key 36 and unscrew the adjusting stem key 31 UJ Lift out the diaphragm key 15 diaphragm plate key 40 and stem assembly Remove the travel indicator key 32 when the bottom of the stem enters the yoke window 4 Toreplace the diaphragm key 15 separate the diaphragm assembly by using a wrench on the hex nuts key 42 to unscrew the assembly 5 Separate the parts diaphragm washer actuator O ring keys 41 and 25 diaphragm and diaphragm plate keys 15 an
5. cap screws key 38 before inserting them in the following procedure 2 Place the hammer nut and spring pins on the bonnet if removed Install the casing O ring key 18 the stem O ring key 19 and the bonnet bushing key 20 Position the lower casing key 39 on the bonnet Insert the nonlubricated cap screws key 38 and torque to 49 Nem 36 Ibfeft UJ Assemble the diaphragm plate assembly Place the patterned side of the diaphragm key 15 against the diaphragm plate key 40 Be sure to turn the diaphragm washer key 41 so that the side that is beveled on the inside diameter is against the O ring key 25 Also make sure that it is assembled for installation with the diaphragm on the loading pressure side and the lockwasher key 43 and diaphragm washer key 41 are on the upper side A WARNING The spring pins must always be in place during valve operation They provide a safeguard against injury when the unit is being disassembled I Fasten the diaphragm and diaphragm plate assembly on the stem with hex nuts key 42 Place the diaphragm and diaphragm plate and stem assembly into the lower casing and bonnet Install the travel indicator key 32 on the stem as the bottom of the stem enters the yoke window 5 Screw the adjusting stem key 31 onto the stem key 47 and secure the cotter pin key 36 Make sure the bushing and O ring are in place in the upper casing CAUTION Over tightening the diaphragm casing cap sc
6. designed primarily for high pressure throttling applications This valve is ideal for use on pressure and flow control applications within the oil and gas production industry The D4 valve also makes an excellent dump valve for high pressure separators and scrubbers The D4 control valve meets the metallurgical requirements of NACE MR0175 ISO 15156 without environmental limits for temperatures below 135 C 275 F If the temperature is above 135 C 275 F the N07718 Belleville washers will impose some limits as shown in table 3 LI S m www Fisher com Process Management DA Valve November 2013 Table 1 Specifications Available Configurations Spring to Close Spring to Open Valve Body Sizes and End Connection Styles See table 2 Maximum Inlet Pressures and Temperatures If the valve nameplate shows an ASME pressure temperature class maximum inlet pressure and temperature is consistent with the applicable class per ASME B16 34 If the nameplate does not show an ASME class it will Show a maximum cold working pressure at 38 C 100 F for example 293 bar 4250 psi Maximum Pressure Drops See tables 4 5 6 and 7 Input Signal to Actuator See tables 4 5 6 and 7 Actuator Maximum Casing Pressure 3 4 bar 50 psig Shutoff Classification per ANSI FCI 70 2 and IEC 60534 4 Class IV Instruction Manual D103042X012 Material Temperature Capabilities Actuator Assembly 40 to 93 C 40 to 200 F
7. necessary Instruction Manual D103042X012 Figure 2 Fisher D4 Packing Installation UPPER PACKING SPACER KEY 48 lt lt 777 IM 7 m MS ___ PACKING RETAINER KEY 8 5 d BELLEVILLE SPRINGS FULLY ENCLOSED BY THE PACKING RETAINER Figure 3 Lubrication Locations on Packing FEMALE PACKING ADAPTER PACKING RING MALE PACKING ADAPTER UNTIGHTENED DA Valve November 2013 N SN 7 FULLY TIGHTENED NNI VALVE PLUG BELLEVILLE SPRINGS AND PACKING RETAINER CORRECTLY INSTALLED AND TIGHTENED LUBRICATE WITH 3mm 1 8 INCH BEAD OF SUPPLIED HIGH PERFORMANCE FLUORINATED GREASE LUBRICATE WITH 3mm 1 8 INCH BEAD OF SUPPLIED HIGH PERFORMANCE FLUORINATED GREASE D4 Valve Instruction Manual November 2013 D103042X012 Assembly Refer to figures 2 3 4 and 5 Note If your D4 valve assembly has a packing retainer lock ring see figure 6 proceed to Appendix A 1 Ensure the upper packing spacer key 48 is installed as shown in figure 2 2 Using a non marring installation tool such as a 12 inch length of 1 2 inch PVC pipe push the first anti extrusion washer key 12 fully into the packing box by hand Then use the packing spacer key 14 to fully seat the anti extrusion washer by firmly tapping the packing spacer against the anti extrusion washer with a hammer a
8. they apply to the application For screwed connections treat the external pipe threads with a good grade pipe compound For flanged valves use suitable gaskets between valve and pipeline flanges Ul If continuous operation is required during maintenance and inspection install a conventional three valve bypass around the valve Connect loading pressure for the Spring to Open configuration to the 1 4 18 connection the upper casing assembly key 23 as shown in figure 5 The Spring to Close configuration loading pressure connection is in the lower casing assembly key 39 as shown in figure 4 Spring Adjustment The spring has a fixed pressure span over which loading pressure will stroke the valve Adjustment of the spring compression shifts the span so that more or less loading pressure is required to start travel Since the span does not change there will be a corresponding increase or decrease in the pressure requirements at the end of the valve stroke In order to maximize shutoff pressure drop values the actuator spring must be accurately adjusted for each Input Signal Pressure Range If the actuator has been disassembled or pressure conditions have changed the spring may require adjustment Refer to tables 2 and 4 to determine the Initial Spring Set values based on the Input Signal range that is available to the actuator These values include packing friction D4 Valve Instruction Manual November 2013 D103042X012
9. 679262 NOTE RECOMMENDED SPARE PARTS INCLUDING PACKING KITS ARE THE SAME FOR BOTH BONNET DESIGNS NOTE FOR SERIAL NUMBERS GREATER THAN 18679262 SEE THE STANDARD SECTION OF THIS INSTRUCTION MANUAL 20 Instruction Manual D4 Valve D103042X012 November 2013 Figure 7 Lubrication Locations on Packing FEMALE PACKING ADAPTER gt LUBRICATE WITH 3mm 1 8 INCH BEAD OF SUPPLIED HIGH PERFORMANCE FLUORINATED GREASE MALE PACKING ADAPTER LUBRICATE WITH 3mm 1 8 INCH BEAD OF SUPPLIED HIGH PERFORMANCE FLUORINATED GREASE AL Assembly Refer to figures 6 and 7 1 Install new packing and Belleville springs according to the packing arrangement shown in figure 6 2 Using a non marring installation tool such as a 12 inch length of 1 2 inch PVC pipe push the first anti extrusion washer key 12 fully into the packing box by hand Then use the packing spacer key 14 to fully seat the anti extrusion washer by firmly tapping the packing spacer against the anti extrusion washer with a hammer and the PVC pipe 3 Remove the packing spacer from the packing bore CAUTION All D4 packing kits include a single use packet of high performance fluorinated grease This is the only acceptable D4 packing lubricant Note In the following procedure carefully install each packing ring individually over the valve stem and push completely into the packing box with a non marring tube A 12 inch length of 1 2 inch PVC pipe works well f
10. Instruction Manual D4 Valve D103042X012 November 2013 Fisher D4 Control Valve Assembly Contents Figure 1 Fisher DA Control Valve chs bance ddeoa bc eese 1 Scope or Manual ici 1 Descrpbol dade aene 1 Specifications qos 2 Educational Services 2 INSCAN ATION TT 4 Spring Adjustment 5 6 Wy Valve Plug and Seat Ring 6 z LET w x ES Ee ER 8 E i 4 p ECT 10 Parts OrdeblfiQs sarda eui n REESE RAE Sa 14 IS DIT ILS hd 17 RC COWES Lore e EET 17 19 Introduction Scope of Manual This instruction manual provides installation maintenance and parts information for the Fisher D4 control valve Do not install operate or maintain a D4 control valve without being fully trained and qualified in valve actuator and accessory installation operation and maintenance To avoid personal injury or property damage it is important to carefully read understand and follow all the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson Process Management sales office before proceeding Description The D4 control valve is a compact rugged valve
11. Limits for NACE MRO175 ISO 15156 with Sour Trim No Table 4 Maximum Shutoff Pressure Drops for Fisher D4 Control Valves Spring to Close When Used with Typical Control Instrumentation 2 INPUT SIGNAL TO to 1 2 Bar 0 to 1 4 Bar 0 to 2 0 Bar 0 to 2 3 Bar 0 to 2 4 Bar 0 to 3 4 Bar ACTUATOR 0 to 18 Psig 0 to 20 Psig 0 to 30 Psig 0 to 33 Psig 0 to 35 Psig 0 to 50 Psig SPRING Light Rate Heavy Rate INITIAL SPRING 0 77 Bar 0 77 Bar 0 85 Bar 1 05 Bar 1 18 Bar 1 18 Bar SETTING 11 2 Psig 11 2 Psig 12 4 Psig 15 3 Psig 17 1 Psig 17 1 Psig PORT DIAMETER Maximum Pressure Drop 1 The pressure or temperature limits in the referenced tables and any applicable ASME code limitations should not be exceeded 2 For example use the column marked 0 1 4 bar 0 20 psig for a 0 21 1 0 bar 3 15 psig pneumatic controller with 1 4 bar 20 psig supply pressure 3 For applications with downstream pressure in excess of 196 bar 2845 psig use 196 bar 2845 psig for Maximum Shutoff Pressure Table 5 Maximum Shutoff Pressure Drops for Fisher D4 Control Valves Spring to Close When Used with Instrumentation with Restricted Output 2 INPUT SIGNAL TO 0 4 to 2 0 Bar 0 14 to 2 3 Bar ACTUATOR 6 to 30 Psig 2 to 33 Psig SPRING Heavy Rate INITIAL SPRING 1 17 Bar SETTING 17 0 Psig 1 The pressure or temperature limits in the referenced tables and any applicable ASME code limitations should not be exceeded 2 For examp
12. Valve Body Assembly Standard Bonnet O Ring 40 to 135 C 40 to 275 F Optional Fluorocarbon Bonnet O Ring 23 to 204 C 10 to 400 F Flow Characteristic Equal percentage Flow Direction Flow up only Port Diameters See table 2 Valve Plug Travel 19 mm 0 75 inch Valve Plug Style Micro Form valve plug Actuator Diaphragm Effective Area 452 cm 69 inches Actuator Pressure Connection Size 1 4 NPT internal 1 The pressure or temperature limits in the referenced tables and any applicable ASME code limitations should not be exceeded Specifications Table 1 lists specifications for the D4 control valve Some of the specifications for a given control valve as it originally comes from the factory are stamped on a nameplate located on the actuator spring barrel Educational Services For information on available courses for Fisher D4 valves 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 gemerson com Instruction Manual D4 Valve D103042X012 November 2013 Table 2 Valve Sizes and Connection Styles RING TYPE JOINT SCREWED RAISED FACE RF FLANGED RTJ FLANGED d CL900 and CL900 and 0 25 0 375 0 5 0 75 0 25 0 375 0 5 0 75 1 i 1 25 X Available construction Table 3 D4 Environmental
13. d 40 6 Inspect the diaphragm and the actuator O ring for damage or deterioration and replace if necessary If the diaphragm is replaced a new O ring should also be installed 7 Inspectthe stem O ring key 19 and bonnet bushing key 20 replace if necessary To inspect the casing O ring key 18 remove the cap screws key 38 and lift off the lower casing key 39 Replace the O ring if necessary Inspect the adjusting stem bushing key 26 and actuator stem O ring key 53 Replace if necessary 12 Instruction Manual D4 Valve D103042X012 November 2013 8 If the hammer nut needs to be removed from the bonnet the spring pins key 7 can be removed with locking pliers Assembly 1 Before starting assembly make sure all parts are clean and in good condition There should be no burrs or sharp edges on any threads or surfaces that might cut or damage an O ring bushing the packing or the diaphragm When replacing O rings and bushings be sure the O ring or bushing groove is clean and undamaged Using a general purpose lubricant key 49 lubricate all bushings and O rings and the threads of parts that have to pass through the bushings and O rings CAUTION The threads on factory produced valve stems have been specially machined to avoid O ring bushing or packing damage during trim maintenance Use of other than a factory produced valve stem may result in early stem O ring bushing and packing failure Note Do not lubricate
14. e springs as detected by an increase in torque between 6 and 7 flats 10 Loosen the packing retainer completely Adjust the packing retainer by hand until it makes contact with the Belleville springs Do not tighten by hand simply install the packing retainer until it makes contact with the Belleville springs Tighten the packing retainer clockwise precisely 1 2 turn 3 flats on the retainer 11 Lock the packing retainer key 10 solidly in place by tightening the packing retainer locknut key 22 using a spanner wrench or a hammer and punch or chisel 22 Instruction Manual D103042X012 DA Valve November 2013 23 D4 Valve Instruction Manual November 2013 D103042X012 Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any product remains solely with the purchaser and end user Fisher is a mark owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co All other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or quarantees express o
15. eads of the packing retainer with anti seize and install into the bonnet using a 1 5 8 inch wrench Make sure the Belleville springs are completely enclosed by the packing retainer as shown in figure 2 10 Torque the packing retainer to 136 Nem 100 Ibfeft The packing retainer has been installed correctly when metal to metal contact has been made between the packing retainer end and the bonnet key 5 The packing retainer threads should be completely enclosed by the bonnet Actuator Spring to Close Observe the warning at the start of the Maintenance section Instruction Manual D4 Valve D103042X012 November 2013 Refer to figure 4 Before disassembling the actuator disassemble the valve plug seat ring and packing according to instructions in this manual Disassembly 1 Loosen the adjusting screw nut key 44 and turn the adjusting screw key 31 counterclockwise to remove all spring compression 2 Unscrew the casing cap screws and hex nuts keys 45 and 46 and remove the upper casing assembly key 23 from the lower casing key 39 Remove the spring seat key 29 and actuator spring key 30 Lift out the diaphragm diaphragm plate and stem assembly Remove the travel indicator key 32 when the bottom of the stem enters the yoke window 5 Toreplace the diaphragm key 15 separate the diaphragm assembly by using a wrench on the hex nuts key 42 to unscrew the assembly Separate the parts diaphragm washer actua
16. from both sides of the valve e Ventthe power actuator loading pressure and relieve any actuator spring precompression e Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment e The valve packing box may contain process fluids that are pressurized even when the valve has been removed from the pipeline Process fluids may spray out under pressure when removing the packing hardware or packing rings e Check with your process or safety engineer for any additional measures that must be taken to protect against process media Valve Plug and Seat Ring The D4 control valve is designed to allow easy access to the valve plug and seat ring without disturbing the packing Refer to other sections of this instruction manual if additional maintenance is required Instruction Manual D4 Valve D103042X012 November 2013 Disassembly 1 Remove the loading pressure tubing and any accessories that may hamper disassembly 2 Breakthe hammer nut key 6 loose with a hammer Continue turning the hammer nut by using a hammer or a large adjustable wrench tightened around one ear of the hammer nut If the bonnet is stuck on the valve continue to unscrew the hammer nut The hammer nut will contact the spring pins key 7 and will force the bonnet out of the valve Carefully lift the actuator bonnet and valve plug assembly from the valve body WARNING The spring pins must always be in place during valve ope
17. he Valve Plug and Seat Ring Disassembly section of this document Disassembly 1 Loosen the packing retainer locknut key 22 with a spanner wrench or with a punch and hammer 2 Unscrew the packing retainer key 10 from the bonnet key 5 3 Remove the three Belleville springs key 11 packing spacer key 14 packing key 13 and two anti extrusion rings key 12 from the bonnet using a formed wire hook 4 Clean and inspect the packing box wall to ensure that the packing surfaces are not damaged If the surface condition is damaged and cannot be improved by light sanding replace the bonnet by contacting your Emerson Process Management sales office 5 Inspectthe valve stem for scratches or wear and valve plug for wear or damage Replace if necessary Instruction Manual D103042X012 DA Valve November 2013 Figure 6 Fisher D4 Belleville Spring Procedure PACKING RETAINER LOCK RING KEY 22 BELLEVILLE SPRINGS FINGER TIGHT THEN TIGHTEN 1 2 TURN 3 FLATS ON THE RETAINER BELLEVILLE SPRINGS REASONABLY TIGHT TO SEAT THE PACKING BONNET DESIGN FOR VALVES BEFORE 2006 WITH SERIAL NUMBERS LESS THAN 18679262 APPA PAN NN M 1 YF PACKING RETAINER LOCK RING KEY 22 BELLEVILLE SPRINGS FINGER TIGHT THEN TIGHTEN 1 2 TURN 3 FLATS ON THE RETAINER BELLEVILLE SPRINGS REASONABLY TIGHT TO SEAT THE PACKING BONNET DESIGN FOR VALVES 2006 AND NEWER WITH SERIAL NUMBERS LESS THAN 18
18. le an Electro Pneumatic Transducer calibrated for 0 4 2 0 bar 6 30 psig output pressure 3 For applications with downstream pressure in excess of 118 bar 1715 psig use 118 bar 1715 psig for Maximum Shutoff Pressure D4 Valve Instruction Manual November 2013 D103042X012 Table 6 Maximum Shutoff Pressure Drops for Fisher D4 Control Valves Spring to Open When Used with Typical Control Instrumentation 2 INPUT SIGNAL TO 0 to 1 2 Bar to 1 4 Bar 0 to 2 0 Bar 0 to 2 3 Bar 0 to 2 4 Bar 0 to 3 4 Bar ACTUATOR 0 to 18 Psig 0 to 20 Psig 0 to 30 Psig 0 to 33 Psig 0 to 35 Psig 0 to 50 Psig SPRING 0 Light Rate Heavy Rate INITIAL 0 23 Bar 0 23 Bar 0 28 Bar 0 28 Bar 0 28 Bar 0 28 Bar SETTING 3 4 Psig 3 4 Psig 4 0 Psig 4 0 Psig 4 0 Psig 4 0 Psig PORTDIAMETER DIAMETER Maximum Pressure Drop 1 The pressure or temperature limits in the referenced tables and any applicable ASME code limitations should not be exceeded 2 For example use the column marked 0 1 4 bar 0 20 psig for a 0 21 1 0 bar 3 15 psig pneumatic controller with 1 4 bar 20 psig supply pressure 3 For applications with downstream pressure in excess of 190 bar 2760 psig use 190 bar 2760 psig for Maximum Shutoff Pressure Table 7 Maximum Shutoff Pressure Drops for Fisher D4 Control Valves Spring to Open When Used with Instrumentation with Restricted Output Rangel INPUT SIGNAL TO 0 4 to 2 0 Bar 0 14 to 2 3 Bar ACTUATOR 6 to
19. nd the PVC pipe 3 Remove the packing spacer from the packing bore CAUTION All D4 packing kits include a single use packet of high performance fluorinated grease This is the only acceptable D4 packing lubricant Note In the following procedure carefully install each packing ring individually over the valve stem and push completely into the packing box with a non marring tube A 12 inch length of 1 2 inch PVC pipe works well for this It is recommended that the lubricated packing rings be installed individually rather than pushed in as a set 4 Apply a 3mm 1 8 inch bead of the supplied high performance fluorinated grease key 44 around the groove of the female packing adaptor as shown in figure 3 and install over the valve stem key 16 5 Apply a 3mm 1 8 inch bead of the supplied high performance fluorinated grease key 44 around the groove of the packing ring as shown in figure 3 and install over the valve stem 6 Install the male packing adaptor lower anti extrusion washer key 10 and lower packing spacer over the valve stem as shown in figure 2 7 Firmly press all packing parts into the packing bore with a tube 8 Install the five Belleville springs key 11 over the valve stem The Belleville springs should be single stacked with the inside diameter of the inner spring contacting the packing spacer key 14 and the outside diameter of the outer spring contacting the packing retainer key 10 9 Lubricate the thr
20. ntil the diaphragm plate key 40 contacts the cap screws key 38 exposing the groove pin key 4 in the plug If the groove pin key 4 is not exposed verify that downward movement of the stem is not restricted by instrument linkages attached to the stem key 47 Drive out the groove pin key 4 and unscrew the valve plug from the stem key 47 If the valve plug cannot be easily unscrewed from the stem use a punch to keep the stem from turning as the plug is removed Assembly 1 Make sure the bonnet O ring key 8 is on the bonnet and lubricated with lithium grease key 49 D4 Valve Instruction Manual November 2013 D103042X012 2 Install the plug key 2 on the stem key 47 and insert a new groove pin key 4 3 Thoroughly clean the seat ring and bonnet threads in the valve body key 1 Also clean the valve body seat ring gasket surfaces 4 Apply anti seize lubricant key 54 to the threads of the seat ring key 3 and its mating threads in the valve body Apply anti seize lubricant key 54 to the seat ring gasket key 9 and install into the valve body 6 Screw the seat ring into the valve body Use a socket wrench to tighten the seat ring to the torque values shown in table 8 Remove all excess lubricant after tightening Lubricate key 54 the threads on the valve body and hammer nut and the contact surfaces of the bonnet and hammer nut flange Install the bonnet and actuator assembly with pinned valve plug onto
21. ody 2 Valve Plug 541000 541600 HT NPS 1 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter NPS 2 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter 1 inch port diameter 1 25 inch port diameter 517400 H1150 Dbl NPS 1 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter NPS 2 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter 1 inch port diameter Recommended spare parts Part Number 20C3692X012 20 3693 012 20 3694 012 GE01557X012 GE00992X012 GE00993X012 GE00994X012 GE01558X012 GE01561X012 GE01555X012 20C3692X032 20 3693 032 20 3694 032 GE01557X032 GE00992X032 GE00993X032 GE00994X032 GE01558X032 GE01561X032 Key 9 10 12 18 14 15 16 18 19 20 23 Description 1 25 inch port diameter Tungsten Carbide NPS 1 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter NPS 2 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter 1 inch port diameter 1 25 inch port diameter Seat Ring 517400 H1150 06 NPS 1 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter NPS 2 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch p
22. or this It is recommended that the lubricated packing rings be installed individually rather than pushed in as a set 4 Apply a 3mm 1 8 inch bead of the supplied high performance fluorinated grease key 44 around the groove of the female packing adaptor as shown in figure 7 and install over the valve stem key 16 5 Apply a 3mm 1 8 inch bead of the supplied high performance fluorinated grease key 44 around the groove of the packing ring as shown in figure 7 and install over the valve stem 6 Install the male packing adaptor lower anti extrusion washer key 10 and lower packing spacer over the valve stem as shown in figure 6 7 Firmly press all packing parts into the packing bore with a tube 21 Instruction Manual D4 Valve D103042X012 November 2013 8 Install the Belleville springs key 11 The Belleville springs key 11 should be single stacked with the I D of the inner spring contacting the packing spacer key 14 and the O D of the outer spring contacting the packing retainer key 10 The final Belleville spring should be within the 1 26 inch diameter bore of the bonnet 9 Adjust the packing retainer by hand until it makes contact with the Belleville springs Do not tighten by hand simply install the packing retainer until it makes contact with the Belleville springs Tighten the packing retainer clockwise precisely 1 16 turns 7 flats on the retainer to seat the packing This should fully compress the Bellevill
23. ort diameter 0 75 inch port diameter 1 inch port diameter 1 25 inch port diameter Tungsten Carbide NPS 1 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter NPS 2 valve 0 25 inch port diameter 0 375 inch port diameter 0 5 inch port diameter 0 75 inch port diameter 1 inch port diameter 1 25 inch port diameter Groove Pin Bonnet Hammer Nut Spring Pin Bonnet O ring Hydrogenated Nitrile 46 to 149 C 50 to 300 F FKM 23 to 204 C 10 to 400 F Seat Ring Gasket For NPS 1 valve For NPS 2 valve Packing Retainer Belleville Springs 5 req d Anti Extrusion Washer 2 req d Packing Set Packing Spacer Diaphragm Nameplate Drive Screw Casing O ring Stem O ring Bonnet Bushing Upper Casing Assembly D4 Valve November 2013 Part Number GE01555X032 20 3696 012 20 3697 012 20 3698 012 20 3699 012 20C3682X012 20C3683X012 20 3685 012 20 3686 012 20 3687 012 20 3688 012 GE00982X032 GE00983X032 GE00984X032 GE00985X032 GE00986X032 GE00987X032 GE00988X032 GE00989X032 GE00990X032 GE00991X032 GE07347X012 GE07363X012 GE07364X012 GE07365X012 GE07389X012 GE07394X012 GE07397X012 GE07398X012 GE07399X012 GE07406X012 GE01163X012 10 3680 012 10 3680 022 1 198636042 1 198836042 12B6335X022 12B6667X012 22B3521X012 1F9141X0142 1K7561X0072 17A7112X012 17 Instruction Manual November 2013 D4 Valve Key Description 25 Ac
24. perature pressure drop and controlled fluid conditions Responsibility for the safety of process media and compatibility of valve materials with process media rests solely with the purchaser and end user Since some body trim material combinations are limited in their pressure drop and temperature ranges do not apply any other conditions to the valve without first contacting your Emerson Process Management sales office WARNING Avoid personal injury or property damage caused by possible actuator failure The use of a rigidly mounted support on the actuator casing may cause additional stress on the actuator leading to premature wear and or failure of the actuator components CAUTION To avoid product damage inspect the valve before installation for any damage or any foreign material that may have collected in the valve body Also remove any pipe scale welding slag or other foreign material from the pipeline Before installing the control valve assembly inspect it for any damage and for any foreign material that may have collected in the valve body 2 Remove any pipe scale welding slag and other foreign material from the pipeline 3 The control valve can be installed in any position but normally the actuator is vertical above the valve Install the valve so the flow direction arrow on the side of the valve indicates the direction of the process flow I Install the valve following local and national piping codes when
25. r implied regarding the products or services described herein or their use or applicability 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 mem EMERSON 2002 2013 Fisher Controls International LLC All rights reserved d CX o 9 m Rant vo e
26. ration They provide a safeguard against injury when the unit is being disassembled 3 Use a socket wrench to loosen the seat ring key 3 4 Remove the seat ring key 3 and seat ring gasket key 9 from the valve body 5 Inspect parts for wear or damage that would prevent proper operation of the valve body Carefully clean the seat ring gasket surfaces and seat ring threads WARNING Be careful to avoid damaging the seating surface on the valve plug or seat ring as damage in these areas will allow excessive leakage at shutoff Avoid damaging the highly polished valve stem surface A damaged valve stem could cut the packing and allow process fluid to leak to the atmosphere Table 8 Torque for Seat Ring Key 3 VALVE SIZE RECOMMENDED TORQUE 6 For spring to close only To remove the valve plug key 2 drive out the groove pin key 4 and unscrew the valve plug from the stem key 47 If the groove pin key 4 is not exposed verify that downward movement of the stem is not restricted by instrument linkages attached to the stem key 47 If the valve plug cannot be easily unscrewed from the stem use a punch to keep the stem from turning as the plug is removed 7 For spring to open only To remove the valve plug key 2 first remove the spring case assembly key 27 Remove the adjustment screw nut key 44 the upper spring seat key 29 and the spring key 30 Push the adjustment stem key 31 fully downward u
27. rews and nuts keys 45 and 46 can damage the diaphragm Do not exceed 27 Nem 20 Ibf ft torque 6 Position the upper casing key 23 on the lower casing key 39 Insert the cap screws key 45 and tighten the hex nuts key 46 Torque the casing cap screws evenly to 27 Nem 20 Ibfeft using a crisscross pattern 13 D4 Valve Instruction Manual November 2013 D103042X012 7 Replace the spring key 30 spring seat key 29 and adjusting stem nut key 44 over the adjusting stem Replace the spring case assembly key 27 8 Adjust the initial spring set per the Spring Adjustment section in this manual Parts Ordering Each D4 control valve is assigned a serial number which can be found on the nameplate Refer to the number when contacting your Emerson Process Management sales office for assistance or when ordering replacement parts 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 DA Valve November 2013 Figure 4 Fisher D4 Valve Assembly Spring to Close Instruction Manual D103042X012 Y f C EPRI PS Y N J RY UN zd SERRE SSE 7 SSA Br aD
28. the valve body Tighten the hammer nut using an adjustable wrench until the nut stops turning A few hammer blows will be required to ensure that the assembly is tight See the actuator assembly and spring adjustment sections of this manual Valve Packing Note These instructions apply to valves manufactured with serial numbers equal to and greater than 18679262 See Appendix A for information on packing constructions with serial numbers less than 18679262 If your D4 valve assembly has a packing retainer lock ring see figure 6 proceed to Appendix A A WARNING Observe the warning at the start of the Maintenance section The valve stem packing can only be accessed from within the valve body If packing maintenance is required first disassemble per steps 1 2 and 6 or 7 in the Valve Plug and Seat Ring Disassembly section of this document Disassembly 1 2 Unscrew the packing retainer key 10 from the bonnet key 5 Remove the five Belleville springs key 11 packing spacer key 14 packing key 13 and two anti extrusion rings key 12 from the bonnet using a formed wire hook Clean and inspect the packing box wall to ensure that the packing surfaces are not damaged If the surface condition is damaged and cannot be improved by light sanding replace the bonnet by contacting your Emerson Process Management sales office Inspectthe valve stem for scratches or wear and valve plug for wear or damage Replace if
29. tor O ring keys 41 and 25 diaphragm and diaphragm plate keys 15 and 40 Inspectthe diaphragm and the actuator O ring for damage or deterioration and replace if necessary If the diaphragm is replaced a new O ring should also be installed 8 Inspectthe stem O ring key 19 and bonnet bushing key 20 replace if necessary To inspect the casing O ring key 18 remove the cap screws key 38 and lift off the lower casing key 39 Replace the O ring if necessary If the hammer nut needs to be removed from the bonnet the spring pins key 7 can be removed with locking pliers JI 9 WO Assembly 1 Before starting assembly make sure all parts are clean and in good condition There should be no burrs or sharp edges on any threads or surfaces that might cut or damage an O ring bushing the packing or the diaphragm When replacing O rings and bushings be sure the O ring or bushing groove is clean and undamaged Using a general purpose lubricant key 49 lubricate all bushings and O rings and the threads of parts that have to pass through the bushings and O rings CAUTION The threads on factory produced valve stems have been specially machined to avoid O ring bushing or packing damage during trim maintenance Use of other than a factory produced valve stem may result in early stem O ring bushing and packing failure Note Do not lubricate cap screws key 38 before inserting them in the following proced
30. tuator O ring 26 Adjusting Stem Bushing spring to open only 27 Spring Case Assembly 28 Lower Spring Seat 29 Upper Spring Seat 30 Spring Spring to Close Light Rate Spring to Close Heavy Rate Spring to Open Light Rate Spring to Open Heavy Rate 31 Adjustment Screw or Stem 32 Travel Indicator 34 Vent Assembly 36 Cotter Pin spring to open only 37 Pipe Plug 38 Cap Screw 39 Lower Casing 18 Part Number 1K7561X0072 17A4059X012 1F176827092 1E792427082 1F 176727032 1F714327092 10608035022 D103042X012 Key Description Part Number 40 Diaphragm Plate 41 Diaphragm Washer 42 Hex Nut 43 Lockwasher 44 Adjustment Screw Nut 45 Cap Screw 46 Hex Nut 47 Valve Stem 520910 Reverse Acting 20C3681X022 520910 Direct Acting 20C3716X022 48 Upper packing spacer 49 Lubricant lithium grease 51 Drive Screw 53 Actuator Stem O ring spring to open only 1C7821X0182 54 Lubricant anti seize 55 Spring Setting Label not shown 56 High Performance Fluorinated Grease Packing Lubricant Recommended spare parts Instruction Manual D4 Valve D103042X012 November 2013 Appendix A Note These instructions apply to valves manufactured with serial numbers less than 18679262 Valve Packing A WARNING Observe the warning at the start of the Maintenance section The valve stem packing can only be accessed from within the valve body If packing maintenance is required first disassemble per steps 1 2 and 6 or 7 in t
31. ure 2 Place the hammer nut and spring pins on the bonnet if removed Install the casing O ring key 18 the stem O ring key 19 and the bonnet bushing key 20 Position the lower casing key 39 on the bonnet Insert the nonlubricated cap screws key 38 and torque to 49 Nem 36 Ibfeft A WARNING The spring pins must always be in place during valve operation They provide a safeguard against injury when the unit is being disassembled 11 D4 Valve Instruction Manual November 2013 D103042X012 UJ Assemble the diaphragm plate assembly Place the patterned side of the diaphragm key 15 against the diaphragm plate key 40 Be sure to turn the diaphragm washer key 41 so that the side that is beveled on the inside diameter is against the O ring key 25 Also make sure that it is assembled for installation with the diaphragm on the loading pressure side and the lockwasher key 43 and lower spring seat key 28 are on the spring side D gt Fasten the diaphragm and diaphragm plate assembly on the stem with hex nuts key 42 Place the diaphragm and diaphragm plate and stem assembly into the lower casing and bonnet Install the travel indicator key 32 on the stem as the bottom of the stem enters the yoke window CAUTION Over tightening the diaphragm casing cap screws and nuts keys 45 and 46 can damage the diaphragm Do not exceed 27 Nem 20 Ibf ft torque 5 Replace the spring key 30 on the diaphragm plate key
Download Pdf Manuals
Related Search