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1. Fig 2 1 page 3 shows constructions of Model 83A BS and Fig 2 2 page 4 shows Model 83A BSH Body and Bonnet are jointed together with Stud Bolts Nuts and Gasket and provide pressure containing parts where process flow runs through or stay Valve Plug is led by Cage and keep proper position by Actuator Controlled by signal to the Actuator 2 See Bulletin No MIE B3001 Globe Type Control Valves USER S MANUAL for the details of Actuator construction Model 83A BS amp 83A BSH Fig 2 1 Model 83A BS Control Valves a Model 3883ACV BS seal Ring With Back up Ring for Valve Plug 7 size 200mm and larger Holder Seal Ring details b Model 3883ACS BS c Model 3883ACS L BS Multi holes Type DoubleStage Multi holes Type Model 83A BS amp 83A BSH MOTOYAMAN Fig 2 2 Model 83A BSH Control Valves a Model 3883ACV BSH Valve Plug Seal Ring details Seal Ring Tension Ring b Model 3883ACS BSH c Model 3883ACS L BSH Mult holes Type Double stage Multi holes Type Model 83A BS amp 83A BSH MOTOYAMAN 2 3 Specification See Catalog Bulletin No MCE B4307 for detail specification of Model 83A BS and 83A BSH Control Valves A Do not use the products beyond the selected specification code Standard and or regulations to secure the safety of the delivered prod CAUTION ves Model 83A BS
2. 12 Trouble OO 22 CCS DOC e a 24 Disposal of Control Valves and Part ee 25 Reference Data lt Estimated Life Cycle of Control Valve pars gt 26 Model 83A BS amp 83A BSH MOTOYAMAN 1 Purpose of this Instruction manual 1 This Instructon Manual provides the essential information for optimizing MOTOYAMA Diaphragm Actuated Seal Ring Balanced Cage Guide Globe Type Control Valves Model 83A BS and 83A BSH for safety operation 2 Read this manual carefully before installing operating or overhauling MOTOYAMA Control Valves Model 83A BS and 83A BSH 3 Together with this manual read the following Accessories manuals before using when applica ble Accessory Name Bulletin No M 05 83A 83 odel 01 05 83A 83 89 MIE 83001 Globe Type Control Valves USER S MANUAL Electro P tic Valve Posit ectro Pneumatic Valve Positioner MIE 86104 EA91A Pneumatic Valve positioner P A92A MIE B2008 Air Filter Regulator MR2000 MIE B6903 4 If any other Accessories are installed on the Valves delivered kindly request our sales office ap propriate Instruction Manual if necessary Model 83A BS amp 83A BSH MOTOYAMAN ON Application of Control Valves 2 1 Purpose of Use Model 83A BS and 83A BSH Control Valves are installed in process
3. verr i Direction of i Fluid Flow Direction of Fluid Flow This manual is supplied for information purpose only and should not be considered certified marketability and conformability of this product Bulletin MIE B4301A Model 83A BS amp 83A BSH This catalog is supplied for information purpose only and should not be considered certified marketability and conformability of this product O MOTOYAMA is continuously improving and upgrading its product design specifications and or dimensions Information included herein is subject to change without notice o AKURIMOTO LID Company ENG WORKS LTD http www motoyama cp co jp M Head office and Factory 5 2 Ohira Aza Kameoka Ohira mura Kurokawa gun Miyagi ken 981 3697 Japan TEL 81 22 344 4511 FAX 81 22 344 4522 E Overseas Marketing Sales Dept 5 2 Ohira Aza Kameoka Ohira mura Kurokawa gun Miyagi ken 981 3697 Japan TEL 81 22 344 4546 FAX 81 22 208 5020 Printed in Japan 2013 3 MSP
4. Seal Ring e E Seal Ring Stud Bolt EE Gasket A Ss Bodyt Model 83A BS amp 83A BSH 1 Install Spiral Wound Gasket A on Body lower groove and Serrated Gasket B on Body upper groove Install Seat Ring on Gasket A 2 Put Back up Ring and Seal Ring into Holder in order 3 Insert Valve Plug and Stem assembly into Cage 4 Install Holder onto Cage fitting to Valve Plug Pay attention not to damage or deform the Seal Ring 5 Follow the procedure on Paragraph 5 2 3 4 1 7 for further assembly A CAUTION D Be sure to install Seal Ring and Back up Ring in correct direction If the direction is not correct it is not possible to get good seal ing See Fig 5 7 Keep the assembling in order If install Cage Holder with Seal Ring into Body first and then install Valve Plug it is very easy to damage or deform Seat Ring See Fig 5 5 Fig 5 6 Assembling Procedure Correct Way Valve size 200A and larger N ut lt lt im Bonne aa Eeee Holder 7 Valve Stem ei Seal Ring k EE Back up Ring Seal Ring Holder Stud Bolt Gasket B Valve Plug Cage A Gasket A Doy Fig 5 7 Seal Ring orientation Detail A Correct Way orientation Seal Ring downward direction Sizes 150A or smaller Seal Ring Bac
5. 650 750 1901 Operating Temp C 29 230 4011 260 o0 300 3000 450 Color Red Blue Black Black Amine Chlonde Acetylene Asphalt Stem Acid Chlorine Vinyl Chloride Coke oven gas General high Alkali Food General Gas Coal tar temperature fluid Alcohol Bleach Hydrocarbon Steam Services l l l l Ammonia Cyanide Mineral Oil Phosphorus Co Milk Freon Water Brine Paints Sulfur Bulk Can Note No Lubricator is installed for the services fluid temperature is lower than 40 C ES Model 83A BS amp 83A BSH MOTOYAMAN 5 When Hand Wheel is mounted be sure Handle is set to the Neutral or auto operation posi tion which does not restrain Valve opening 6 Carry out loop test with the Controller to check that the Valves open or close smoothly If the Valves must be heated up increase the temperature and pressure gradually without changing them rapidly Heating up speed shall be less than 100 C Hr CAUTION During heating up be sure to avoid sudden operation 4 2 Greasing to Gland Packing 1 To use Braided Packing it is required to use Greases to elevate the sealing and lubricating property on Valve Stem 2 The greasing device to inject the Grease is called Lubricator Fig 4 1 shows the construction of Lubricator 3 To supply the Grease in routine work follow the procedure below Tum the Handle clockwise to make the Spindle closed If the Pressure
6. N Ne i A Sizes 150A and smaller Gland Packing izes and smalle Stud Bolt SX ii D Bs TI i Nut Bonnet WAZ a Gasket C Gasket B 7 Yj 7 Z Holder A 4 ay gt Z Valve Plug gt 727 Seal Ring NZ W Cage Gasket A Body LE 2 Ly Seal Ring Seal Ring details Tension Ring Valve Plug SAV ZIN N Z WLLL 77 A a i 1 Rss L EZIN N NNN N YAN N l Pi LS DS El ST ere LV A VV N Fig 5 2 Model BSH Body details N NN NN Guide Valve Plug 2 Nut Stud Bolt C B Body EXT F Bonnet Cage Stem Nut Pointer Gland Nut Yoke Nut Gland Packing Gland Flange Seal Ring Valve Stem Gland Bolt Gasket Gasket Gasket L 6 D lt EA CO 6 p lt g CO O gt Model 83A BS amp 83A BSH 5 2 1 Disassembling Procedure 5 2 1 1 Model BS 1 Remove Stud Bolt Nuts 2 Pull up Valve Plug together with Bonnet upright and split it from Valve Body A Be careful not to drop Holder Holder might coming up together with Valve Plug CAUTION 3 Loosen Gland Nuts and release the tension of Gland Packing 4 Pull down Valve Plug from Bonnet 5 Remove Gland Bushing Gland Packing Lantern Ring and Packing Ring from Bonnet gland 6 Remove Cage from Body
7. Screw Is removed holding the Spindle open Grease may flow out reversely by internal pressure from Valve Body Take out the Pressure Screw from Cylinder Insert designated Grease from this open port Use the designated Grease specified on the Name Plate attached on Actuator Compress the Grease into the Lubricator by the Pressure Screw Under compressing the Grease by Pressure Screw tum the Handle counter clockwise to make the Spindle open Then compress the Grease further by Pressure Screw After com pressing turn the Handle clockwise and close the Spindle Repeat above operation several times and fill the Grease into the Connection Pipe and Cylinder Do not fill the Grease to strong or to much to prevent over flow from Bonnet Staffing Box or to prevent the damage of Gland Packing itself Pay attention the over flow from Staffing Box Guide Bush and or CAUTION Valve Stem when greasing Tum the Handle clockwise to make the Spindle closed and Greasing Is completed After greasing open and close the Valves several times around 10 times to create uni formed grease film between Gland Packing and Valve Stem EJ Model 83A BS amp 83A BSH Fig 4 Lubricator gt Part Name For low pressure Body 600LB and lower Bonnet Spindle Gland Nut Handle Washer Lock Nut Connection Pipe Cylinder Pressure screw Gasket O ON AU 4 3 Check and Maintenance To maintain
8. hanmful fluid remains in the body of the dismounted Valve A disassemble the Body See Para 5 on page 10 and clean up in WARNING Otherwise human accident or environmental pollution may be in duced 1 Basically Control Valves component parts do not contain any harmful materials for pollution When necessary scrap Control Valves as general metal discarding materials 2 When there is any discarding restriction for asbestos material check the Model number of Gland Packing and Gasket on the Name Plate and if itis confirmed as asbestos type take the Gasket and Gland Packing out from the Body then discard it separately from other metal parts Model 83A BS amp 83A BSH Reference Data MOTOYAMAN Estimated Life Cycle of Control Valve Parts Generally estimated life cycle of Control Valves component parts are shown in following table Whereas the life of each parts differ by temperature pressure frequency or operation and environ ment in service t is recommended to use this table for reference for your consideration Accordingly please be noted that estimated life cycle below do not mean the warranty value by MOTOYAMA Motoyama s general warranty period for Control Valves is one 1 year after shipment Estimated Life Cycle of Control Valves Parts Part No Part Name Life Cycle Notes 1 Body 10years Change Body if wall thickness decreased to 90 of 2 Bonnet 10 designed value 3 Valv
9. or spare parts be sure to inform MOTOYAMA sales office the serial numbers of the Valves specified on the Name Plate 5 2 2 2 Model BSH After disassembling each parts should be cleaned and checked as follows 1 2 3 Check seat surface of Valve Plug and Cage to be free from damage and or deformation Remove Seal Ring and Tension Ring from Valve Plug check Valve Plug Groove to be free from damage and or deformation Check Body and Bonnet wall thickness decreased Check Body and Bonnet sealing sur face of Gasket Packing and Gland Packing to be free from damage and or deformation Check the appearance of Valve Plug Stem Holder Cage and sliding surfaces of each parts to be free from corrosion erosion damage and or deformation If any damage and or deformation are found on each parts repair or replacement are re quired To request repair or spare parts be sure to inform MOTOYAMA sales office the serial numbers of the Valves specified on the Name Plate To clean or repair Valve Plug sliding surface of Model BS or Guide sliding surface of Model BSH using fine sandpaper use sandpaper grade 240 or fine one CAUTION Never use File or Grinder to repair these parts Model 83A BS amp 83A BSH 5 2 3 ReAssembling Procedure Mode BS Mode BSH Body size 150mm and smaller 200mm or larger 50 350mm Trim See 5 2 3 1 page 16 See 5 2 3 2 page 17 See 5 2 3 3 page18 19 Bonnet See 5 2 3 4 page20 On model B
10. uniformly 7 Be sure to confirm the smooth movement of Valve Plug Valve Stem up and down En Model 83A BS amp 83A BSH MOTOYAMAN When confirming Valve Plug movement up and down be sure to move within the range of rated lift of the Valves If Plug was lifted up too much Seal Ring may be damaged on Model BS and Seal Ring might be getting off from Guide on Model BSH Pay attention not to move too much A When re assembling be sure to change all the Seal Ring Gland Packing Gasket Packing and Back up Ring Model BS with the CAUTION _ mevra 8 Pay attention not to damage Valve Plug sliding surface Holder groove inner surface and new Seal Ring on Model BS On Model BSH pay attention not to damage Guide sliding surface Valve Plug groove and a new Seal Ring Never apply greases onto Seal Ring for both Model BS and Model BSH Model 83A BS amp 83A BSH Trouble Shoot Following is a list of general Troubles Causes and Corrective Actions in routine operation of Control Valves Table 6 1 Trouble Shooting Troubles No signal nor supply air pres sure Presumed causes Air pressure source compressor fault Corrective action Check compressor Large leakage on Air piping Check Air piping No supply Air pressure Clogged or leaking on Air piping Check Air piping Pressure Regulator Valve fault Check and repair pressure Regulator No signal Air pressure C
11. Bulletin No MIE B4301A INSTRUCTION MANUAL Model 83A BS amp 83A BSH SEAL RING BALANCE TYPE CAGE GUIDED CONTROL VALVES 6 MOTOYAMA ENG WORKS LTD Model 83A BS amp 83A BSH MOTOYAMAN Introduction Thank your very much for choosing MOTOYAMA Control Valves To use this product safely and to optimize its performance it is recommended that the following in struction should be read carefully and followed ES General Keep this instruction manual in operator s hand Before using this Control Valves read this instruction manual carefully and fully understand it for operation This instruction manual does not cover the Accessories installed to the Control Valves Kindly refer appropnate Accessories Instruction Manual along with this manual P For Safety Use To use this Control Valves safely this instructon manual describes symbols and signal terms in ac cordance with J IS Z2901 and ANSI 275351 which shall call your attention to keep safety manner or to give caution of handling together with notes Important information has been marked and em phasized with the following symbols in this Instruction Manual Explanation Signal Terms A A direct endangerment of a person s health or life may occur if the Waming was not observed WARNING A If the Caution was not observed minor personal injuries and or prop C AUTI ON erty damages may result Note MOTOYAMA is continu
12. In case Holder is remain in Body remove both Holder and Cage 5 2 2 2 Model BSH 1 Remove Stud Bolt Nuts 2 Pull up Valve Plug together with Bonnet upright and split it from Valve Body A Be careful not to drop Holder Holder might coming up together with Valve Plug CAUTION 3 Loosen Gland Nuts and release the tension of Gland Packing 4 Pull down Valve Plug from Bonnet 5 Gently pull out Guide from Valve Plug when it is coming up with Valve Plug 6 Remove Gland Bushing Gland Packing Lantern Ring and Packing Ring from Bonnet gland 7 Remove Cage from Body In case Holder is remain in Body remove both Guide and Cage Model 83A BS amp 83A BSH MOTOYAMAN 5 2 2 Inspection of the Parts 5 2 2 1 Model BS After disassembling each parts should be cleaned and checked as follows 1 2 Check seat surface of Valve Plug and Cage to be free from damage and or deformation Remove Seal Ring from Holder check Holder Groove to be free from damage and or de formation Check Body and Bonnet wall thickness decreased Check Body and Bonnet sealing sur face of Gasket Packing and Gland Packing to be free from damage and or deformation Check the appearance of Valve Plug Stem Holder Cage and sliding surfaces of each parts to be free from corrosion erosion damage and or deformation If any damage and or deformation are found on each parts repair or replacement are re quired To request repair
13. S two 2 methods of assembling procedure are recommended depend on trim size and weight 4 Besureto apply ant seize grease NEVER SEEZ or equivalent on Seal Ring surface of the Gasket For Oil Free requirement apply Fluorine type grease DAIFLOIL CAUTION or equivalent slightly Note NEVER SEEZ products of BOSTICK DAIFLOIL products of DAIKIN 5 2 3 1 Model BS Trim Assembling Port Size 150mm or smaller See Fig 5 4 1 Install Spiral Wound Gasket A on Body lower groove and Serrated Gasket B on Body upper groove Install Seat Ring on Gasket A 2 Install Seal Ring on Holder Install Holder onto Cage fitting to Valve Plug Pay attention not to damage or deform the Seal Ring Lift up Valve Stem with Holder and insert it into Cage in the body Follow the procedure on Paragraph 5 2 3 4 1 0 7 for further assembly Y as D Be sure to install Seal Ring and Back up Ring in correct direction If the direction is not correct it is not possible to get good seal A ing See Fig 5 7 Keep the assembling in order If install Cage Holder with Seal CAUTION Ring into Body first and then install Valve Plug it is very easy to damage or deform Seat Ring See Fig 5 5 Fig 5 4 Assembling Procedure Correct Way Fig5 5 Assembling Procedure Wrong Way Valve Stem Detail A some i H Holder Bonnet ESE Valve Plug
14. Stem or Guide with Slurry or solid Loose connection of Positioner or in Sufficient tightening Manual handle position is not set at NEUTRAL Disassemble and clean up Re tighten and re adjust Set Handle position NEUTRAL Lack of supply air pressure Corrosion erosion or damage on Valve Seat Check supply air pressure Check Seat and repair or lap Cavity in Valve Body Repair or replace Body Corrosion or erosion of Gasket A Change Gasket Abrasion deformation damage of Seal Ring Change Seal Ring Incorrect flow direction Correct flow direction Large Leakage Impossible to move to fully closed position Large differential pressure Increase actuator power Foreign matter entrapped in Valve Plug Guide or port seizure Disassemble and clean up Repair or replace damaged parts Control position changed range ability decreased Corrosion or erosion of Valve Plug or Cage Change Valve Plug or Cage Leakage from Gland Packing Loose gland Nut Re tighten uniformly Deteriorated and hardened Gland Packing Incorrect insert of Gland Packing No Grease Corrosion erosion or damage of Valve Stem Change Packing Change Packing material Re insert correctly Add Grease Repair or change Valve Stem Caution If any improvement can not be made even by taking above mentioned corrective actions Please contact our Sales office for
15. and 83A BSH Control Valves have some limitation for usage because of Seal Ring materials Following condition shall be reviewed before installation 2 3 1 Model 83A BS Do not use the products for following services because carbon graph ite composite PTFE is used for Seal Ring material Food processing services Oxygen services Services where coloring is done or resin debris is a problem Acid at high temperature and pressures Agua Regina Nitric Sulfuric Acid Fluorine gas 2 CIF etc at high temperature Metal hydrides such as 80 KOH and B H A EET EES CAUTION El CO Model 83A BS may be applicable for above services by changing Seal Ring material Please contact MOTOYAMA sales office for details 2 3 2 Model 83A BSH Be sure to use the Valves under following condition because Seal Ring is made of metal sintered carbon D Seal Ring material is easy to be oxidized in oxidizing condition A Service condition of the Valves shall be within the following tem perature range CAUTION For oxidizing fluid O 400 C 2 For steam service and non oxidizing fluid 0 0 500 C 2 Kindiy check the availability of the Seal Ring for the service of strong acid fluids or chemicals higher than 100 C EE Model 83A BS amp 83A BSH MOTOYAMAN 3 Installation 3 1 General Control Valves shall be installed in vertical to the piping line in general or Valve Stem shall be ve
16. arting operation of the sys A tem retighten Gland Nuts before starting pressure tightness test After re tighten Gland Nuts reciprocate the Valves at least 10 C AUTION times from fully open to fully close to fit Gland Packing for opera tion EE Model 83A BS amp 83A BSH MOTOYAMAN O NH Operation Check and Maintenance 4 1 Precautions and Check before Operation 1 Spring range and Off balance for Model 2800 series Actuator is adjusted properly to the re quired specification when shipped Do not tum Adjusting Screw unless otherwise it should be 2 Before start operation check Stem Nuts Actuator Bolts and Nuts and other screws to be tight ened Re tighten if necessary 3 Some Gland Packing might have leakage because of stress relaxation Check the tightness of Gland Nuts and re tighten if necessary 4 When Lubricator is equipped on Bonnet page 9 amp 10 check if Grease filled enough Be sure to close the Stop Valve after filling the Grease See Table 4 1 to select appropriate Grease for each services Please contact MOTOYAMA sales office when replacement Grease is required D If more than 6 months past before starting operation of the sys tem re tighten Gland Nuts before starting pressure tightness test 2 After re tighten Gland Nuts reciprocate the Valves at least 10 CAUTION times from fully open to fully close to fit Gland Packing for opera tion Table 4 1 Grease Grease No 400
17. e Plug Change when clearance became 0 1 mm larger 4 Cage than design value Holder Model BS 5 Change when there is a change in the Seal Ring CES MOGs BSR clearance more than 0 05mm greater than spec 6 Seal Ring Change on every overhaul Valve Body Actuator Back up Ring Model BS 200mm and larger Change on every overhaul Tension Ring Model BSH Change when any damage found Valve Stem Gland Flange Valve Plug is welded to Stem Stud Bolt Same for Nut Gland Bolt York Bolt York Nut Same for Nut Gasket Change on every overhaul Wiper Gland Bushing Change when any damage or scratch found Gland Packing Change on every overhaul Lantern Ring Packing Ring Yoke Diaphragm Case Diaphragm Cover Diaphragm Stem Diaphragm Plate Diaphragm Rubber Spring Change when any damage found Same as above Spring Seat Adjustment Screw Adjustment Guide Seat Bearing Daistat Daisthread Change on every overhaul Dust Seal O Ring Seal Packing Same as above Model 83A BS amp 83A BSH Control Valve Parts Name and Construction Parts number on below sketch is the number of the Table Estimated Life Cycle of Control Valve Parts page 24 Note Some parts for reveres action type are not shown on the sketch See page 14 for details Direct Action Actuator Model BS Model BSH
18. ension Ring into Guide slowly Pay atten tion not to deform Seal Ring Seal Ring slit is open slightly by Tension Ring When insert Valve Plug into Guide close Seal Ring slit by fingers It may not possible to insert Valve Plug into Guide without closing CAUTION Seal Ring slit and it may damage Seal Ring itself See Fig 5 10 Please install the slit position of Seal Ring to be rectangular against body flow direction See Fig 5 12 5 Follow the procedure on Paragraph 5 2 3 4 1 7 for further assembly En Model 83A BS amp 83A BSH MOTOYAMAN Fig 5 8 Seal Ring Check before Assembling Seal Ring Correct Fitting Incorrect Fitting Guide Seal Ring No gap or space on Gap or space on Gap or space Seal Ring Seal Ring between Guide Fig 5 9 Onentation of Seal Ring and Tension Ring Fig 5 10 Insert of Valve Plug Tension Ring inside Insert Valve Plug into Guide pushing Seal Ring by finger Seal Ring outside Fig 5 11 BSH Assembly procedure Fig 5 12 Body and Seal Ring poshition Tension Ring Seal Ring Valve Plug Seal Ring Body direction of Valve Stem fluid flow aa Bonnet Gasket c Seal Ring Valve Plug 77 Slit of Seal Ring Stud Bolt Gasket B Gasket A Body Model 83A BS amp 83A BSH MOTOYAMAN 5 2 3 4 Assembling of Other Parts 1 Instal
19. further solution En Model 83A BS amp 83A BSH ON Recommended 1 All the parts of Control Valves are designed and manufactured utilizing Motoyama s flow Control technology accumulated over past years To continue stable operation of Control Valves it is recommended that the following genuine parts should be changed periodically as recommended in Table 7 1 Table 7 1 Overhaul Internal and Recommended Spare Parts Disassembling Component Replacement Part interval Replacement Interval Gland Packing Change the parts when disas Gasket Packing sembled Body Seal Ring 2years Tension Ring BSH Type may Model BS and Model BSH not need to be changed every 2 Back up Ring Model BS years same as BP Type Diaphragm Daisthread Daistat Check and change when neces Actuator O Ring 5years Seal Packing Dust Seal 2 When ordering spare parts be sure to inform us the Parts Name and the senal numbers of the Valves which is specified on the Name Plate A CAUTION Be sure to use the Genuine Parts only Also use the specified Grease described in this manual MOTOYAMA has no responsibility for the troubles in correct or imi tated parts and grease were used Model 83A BS amp 83A BSH MOTOYAMAN O f Disposal of Control Valves and Parts D Be sure to blow out all the pressures and fluids left in the piping line before dismounting the Control Valves When
20. k up Ring i o N Sizes 200A or larger Wrong Way orientation Seal Ring lip upward direction XX 5 2 3 2 Model BS Trim Assembling Port Size 200mm or larger See Fig 5 6 Fig 5 5 Assembling Procedure Wrong Way Model 83A BS amp 83A BSH 5 2 3 3 Model BSH Trim Assembling See Fig 5 11 On Mode BSH outer diameter of Seal Ring is slightly larger than inner diameter of the Guide Insert Seal Ring alone into Guide first and be sure to fit the Seal Ring into the Guide correctly without any gap or too loose CAUTION Also confirm the slit of Seal Ring not to be open widely See Fig 5 8 1 Install Spiral Wound Gasket A on Body lower groove and Serrated Gasket B on Body upper groove Install Seat Ring on Gasket A 2 Install the Guide Confirm whether Guide is fitting Cage properly 3 Install Tension Ring into the groove of Valve Plug Then install Seal Ring over the Tension Ring install the slit of Tension Ring and the slit of Seal Ring opposite position 180 degree apart If two slits are installed in closed position sealing efficiency would be decreased See Fig 5 9 C AUTI ON 2 When install Seal Ring to Valve Plug do not open the slit too much J ust open to fit outside diameter of the Valve Plug Seal Ring is easy to be broken if opened too much 4 Install Valve Plug together with Seal Ring and T
21. l Serrated Gasket C on Holder Model BS or Guide Model BSH and then install Bonnet Be sure Body Cage Valve Plug and Bonnet are installed correctly in straight and in concentricity 2 Apply ant seize grease on Stud Bolts and tighten Nuts slightly 3 Besure to check the smooth movement of Valve Stem up and down Insert Gland Packing one by one into Bonnet Gland with applying grease on it See Fig 5 13 and Table 4 1 on page 8 Be sure to install each Packing uniformly around the Stem On braided Packing each cut end should be placed opposite position 180 degree apart Fig 5 13 Gland Packing PTFE V Packing PTFE Braid Packing Braid Packing Wiper Gland bushing Braid Packing t PTFE V Ring PIFE V Ring 1 Spring sheet Lantern Ring bili LPPD Lantern Ring d E Packing Braid Packing Ring Packing Ring N PS 4 Install Gland Bushing Wiper and Gland Flange in order Tighten Gland Nuts altemately and uniformly Required torque is as follows Unit N cm kgf cm Actuator size PTFE V Packing Braid Packing Braid Packing N28 N33S 100 J 500 101 50 200 800 20 1 80 N40 650 150 700 15 70 1000 2500 100 J 250 Note Required torque is varies depend on type of Gland Packing service condition temperature and pressure This table shows standard torque for reference 5 Install Stem Nuts and Pointer 6 Tighten Stud Nuts alternately and
22. maximum efficiency on your Control Valves it is recommended to check or proceed maintenance work as follows See Paragraph 6 Trouble shooting on page 20 21 1 Daily Check Check leakage abnormal sound vibration and or hunting er EEE CHECK ii ia ba a e kdar o an ei ek Annually Check each parts of the Valves re tighten the Gland and replenish replace Grease if neces Sary 3 Overhaul Body Once in every 2 years Actuator Once in every 5 years Disassemble the Valves and check the internal parts See Chapter 5 A When leakage is found from the Valve or piping Do Not Touch or Access to the fluid untl the safety is confirmed by proper responsible WARNING reson Model 83A BS amp 83A BSH El Disassembli Following is recommended procedure to disassemble or re assemble Valves D A CAUTION Please prepare following spare parts available before disassem bling Gland Packing Gasket Packing Seal Ring Model BS and Model BSH and Back up Ring Model BS Do not reuse the used Gland Packing Gasket Packing Seal Ring Model BS and Model BSH and Back up Ring Model BS Prepare required Tools in advance Never disassemble the Valves on system under existing inside pressure or before cooling down of the Valves completely Do not tum the Valve Stem when the Valves are closed On Model 2800 spring diaphragm Actuator Do Not Tum the Spring Adjuster Tuming of Spring Adjuster makes the change of Spring Ra
23. mperature moisture dust and vibration etc A During storage of the goods protect Conduit connection of electrical instrument from moisture or water which would give breakdown of the C AUTION electricity and cause trouble on the product Ifthe period of storage is exceeding one 1 year after delivery re calibration of the Valve action and checking of gland and gasket leakage before installation must be made Please contact MOTOYAMA sales office when re calibration is requested Model 83A BS amp 83A BSH CONTENTS Page Purpose of this Instruction Manual eee 1 Application of Control Valves Zal USO A eet ect cin coma aa mente 2 P A E S n eg YY 2 De 30 5 e EE ENN E e 5 Installation 3 1 General A A A VR EN Ee VE RP 6 3 2 Installation on System Piping eee 7 3 3 celle dan 7 Operation Check and Maintenance 4 1 Precautions and Check before Operation 8 42 Greasing est 9 4 3 Check and NCS YEN YA YY 10 Disassembling and Re assembling 5 1 SOOT Actuator from Valve Body 11 5 2 Disassembling and Re assembling of Valve Body
24. nge limit upper and lower 5 1 Split of Actuator from Valve Body See Fig 5 1 A To disassemble the Valves on system line Close the line and Release W ARNIN G all the system pressure in advance 1 Place fiting mark on each connecting parts before disassembling 2 Hold the Valve Plug at full open position depressunzing the supply pressure to zero on direct action Actuator or supplying Air pressure on reverse action Actuator 3 Loosen Stem Nut and Pointer together and go downward then lock On Actuator size N33 and larger lower the Locking Plate together Thread size of Valve Stem and Top Stem is as follows Fig 5 1 Removing Actuator Actuator size Thread N28 M9 P1 25 N33 M12 P1 75 N40 M18 P2 O 500 VV3 4 10 Valve Stem 650 VV7 8 9 4 Pull down Valve Stem by tuming Stem Nuts with pointer downward from Top Stem 5 Remove Yoke Bolts 6 Pull up Actuator upright and split it from Valve Body Model 83A BS amp 83A BSH MOTOYAMAN 5 2 Disassembling and Re assembling of Valve Body disassembling or re assembling Valve Body follow the procedure below See Fig 5 2 5 10 Fig 5 2 Model BS Body details Seal Ring details Holder Back up Ring Seal Ring Valve Plug Stem Nut E Pointer Li Valve lem emi Gland Nut EMA i gt e i Yoke Nut AN Gland Packing
25. ontroller fault Check Controller Clogged or leaking on signal Air piping Check Air piping No Positioner output Valve fails to operate Valve no movement even Air press is working on Actuator Pilot Valve in Positioner fault Large leakage on Actuator Valve Stem or Guide stick Bend or breakage on Valve Stem Check and repair Pilot Valve Check Actuator Diaphragm Disassemble Body and check repair or replace Repair or replace Valve Stem Foreign matter entrapped on Seat or between Guide clearance Disassemble and Check Valve port Large clearance between Guide and Plug Repair or replace Valve Plug and Guide Loose connections Valve Stem and Valve hunts ES UV 5 Vibration and noise in all Valve Plug Valve Stem and Top Stem Re tighten connection 2 range of opening Top Stem and Diaphragm Poor de aeration of fluid De aerate fluid O ic Flashing at outlet of the Valve Plug Change Valve type Plug chatter at almost fully Fluid flow to close Valve Plug flow Change Valve Cv or Plug and Control closed position close position a Valve size too small steam Enlarge Valve size Insufficient Air source capacity Add compressor Supply Air pressure fluctu er ates Pressure Regulator fault epair or replace pressure Regulator Valve l Inappropriate resistance or volume of Install Valve or volume tank in signal g da Air pressu
26. ously improving and upgrading its product design specifications and or di mensions Information included herein is subject to change without notice MOTOYAMA ENG WORKS LTD SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL EN Model 83A BS amp 83A BSH MOTOYAMAN Transportation Unpacking Check and Storage El Transportation When loading or unloading and transportation of Control valves pay A full attention not to drop or not to give shock with hitting or bumping etc It would make the Valves and its accessones mechanical troubles CAUTION or damages as of precision instrument If any cautions instructions or care marks are indicated on the package follow them as It is P Unpacking 1 There are two types of packages used for Control Valves wooden crate box and carton In el ther case unpack the crate box or carton indoor or in warehouse Never unpack the package of Control Valves outdoor place where rain A falls on damp and wet ground and or where dust is in the air It would make the Valves and its accessories mechanical troubles or CAUTION damage because of precision 2 When unpacking the wooden box follow the procedure described below unless otherwise Specified Pull off round pegs around edge protectors at each comer and remove them P
27. piping and used to Control process flow activating Valve Plug open and close or throttling the Valve Plug and seat replying Control signal such as 4 20mA DC or 20 100kPa from Controller in instrumentation system to keep the specific and or the constant process conditions Applicable Pressure and Temperature range of Model 83A BS and 83A BSH are as follows Model Applicable press Range Applicable Temp Range 83A BS for medium Temp 9 50 C 230 C 83A BSH for high Temp 100kgf cmG and lower 500 C and lower 2 2 Construction 1 Model 83A BS and 83A BSH consist of Body Assembly and Actuator Assembly Body has Controlling mechanism actually Control the process flow and Actuator has driving mechanism to activates Valve Plug receiving air power source Seal Ring design for Model 83A BS and 83A BSH are given below Mode 83A BS Model 83A BSH Seal Ring carbon graphite composite PTFE Seal Ring Metal sintered carbon Materials Back up Ring carbon graphite composite PTFE Tension Ring SUS316 Seal Ring is installed between Holder and Seal Ring is installed in the groove of the Cage Valve Plug with Tension Ring inside Back up Ring is installed for port size 200 Seal Ring seals guide clearance flow con Structure and larger together with Seal Ring tact with guide sliding surface Seal Ring seals guide clearance flow con tact with Valve Plug sliding surface
28. r tical to the ground 4 Keep sufficient space to the Valves to be accessible to operate Safely and to make maintenance work inspection and testing easily 2 Eye Bolts Nuts on Diaphragm case assembly must be used only for hanging Actuator assembly Do not hang up complete Valves using Eye Bolts after assembling Body and Actuator In any case the following mass shall not be exceeded to hang up Unit kg Actuator Actuator Allowable Model No Size Hung Up Mass Actuator Mass N24 80 12 N28 150 15 A 3800 335 150 24 C AUTION N40 220 49 500 S L 220 85 102 We 2 2800 650 S L goo 270 275 650X S L goo 365 395 N Notes 1 See catalogues for each Valves mass 2 Actuator mass Is for direct action 3 Only when using four 4 Eye Bolts for 650S L and 650XS L Actuator Other size of Actuator allowable lifting load is permissible using two 2 Eye Bolts Ambient temperature and humidity for the Valves should be 20 C 70 C and be less than 90 A Never use the Valves on the service condition exceeding the rating and the standard of connection to prevent the Valves from damage WARNING breakage and or leakage Model 83A BS amp 83A BSH MOTOYAMAN 3 2 Installation on System Piping 1 Remove all welding chips scales and other foreign matters from internal of the piping line be fore installing the Valves in between 2 Be sure
29. re fluctu Controller circuit D Controller fault Check Controller O 8 Check Pilot Valve w el Tau Tighten Positioner connections 5 l l Large friction on Valve Stem es Z Neither supply Air nor signal Guide gt Air pressure fluctuates but Large friction on Gland Packing Replace Packing Resonance with fluids turbulent wave motion fluctuations in stem s thrust due to changes in fluid pressure Reduce differential pressure Change Actuator higher rigidity Install rectify Straight pipe on upstream Model 83A BS amp 83A BSH MOTOYAMAN Troubles Too slow stroke both direc tion Presumed causes Clogged guide with slurry or solids Corrective action Disassemble and clean Change Valve type Angle type Detenorated and hardened gland Packing Change Packing and grease Change Packing material Too Slow Action Too slow stroke one way Large hysteresis error Valve no move beyond certain travel Valve Stem fully closed po sition Thrust by large differential pressure to Plug Install Positioner Install big Actuator Actuator Air volume is big Air leakage from Actuator Valve Stem and Guide no alignment Install Positioner or booster Check Actuator Check Valve Stem alignment Detenorated and hardened gland Packing Change Packing Foreign matter entrapped in Valve Plug Disassemble and clean up Clogged Valve
30. to match arrow mark on the Valve Body to the flow direction when installing 3 Piping Gasket shall be installed properly not to be out into the Body bore diameter 4 Be sure the concentricity and parallelism of the Valves inlet and outlet piping are correct Tighten Bolts and nuts equally Be sure not to give the excessive stress to the Valves 4 When tghtening be sure not to give excessive load piping stress to the Valves which would cause damage deformation A and leakage Seat leakage would increase if Valves installed in correct flow di rection and durability of the Seal Ring will be detenorated Do not use Valves on services which create back pressure to Valve 5 Blow off scales rust and foreign matters in pneumatic piping by compressed Air before con necting pneumatic piping to the Actuator and accessonies 6 Refer to each instruction manuals for wiring the conduit of electric equipments 7 ForFinned or Extension Bonnet Valves do not cover Bonnet with heating or cooling insulation A Either Body or Actuator or the both should be supported by proper CAUTION 3 3 Inspection after Installation 1 Carry out leakage test to check leakage from the connection piping 2 Check leakage from Gland or Gasket after test pressure Is applied to the piping If any leakage is found reduce the pressure and retighten Gland Nuts or Stud Nuts with equally D If more than 6 months past before st
31. ull off round pegs stuck on roof top and remove the roof top Remove waterproofing materials if applied inside of the box Pull off round pegs stuck on frame at side and remove side plates Pull off round pegs stuck on frame at end and remove end plates If the goods are fixed with square lumbers or bolts and nuts remove them EV Remove waterproofing materials such as polyvinyl packing covering the goods Edge protector T form peg Round peg End plate Note T form pegs are not required to be pull off when unpacking Model 83A BS amp 83A BSH MOTOYAMAN Check of the Products Caution After receiving the goods unpack the packing promptly and check if the goods delivered are complying with your order specification When taking out the goods from box pay attention not to give any physical shock to the Accessories attached to the Valves Take out the spare parts if they are enclosed Check the Name Plate attached to the Yoke of Actuator whether Valve specification complying with your request If any clanfication required on the received goods please contact MOTOYAMA sales office specifying Serial No and Model Number indicating on Name Plate attached to the Valves E Storage Ifthe goods need to be stored before installation store the goods in warehouse or equivalent indoor storage facility covering whole the goods with cover like polyethylene sheet and protect the goods from high te

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