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ROTORK YTC YT-325 VOLUME BOOSTER | YTC INDIA

"Rotork YTC Volume booster relay, Rotork YTC YT-325 is used in pneumatic control valve which receives positioneru2019s output signal and supply air pressure actuator to reduce response and adjusting time. - Supplies constant air pressure at the rate of 1:1. - By-passing control enhances safety of control valve. - Response to slight changes in input signal, which increases accuracy of output of air pressure to actuator. - Built-in 100 mesh screen filters dusts in the air.<br><br>For any Enquiry Call Us: 91-11-2201-4325, For Bulk Order Email at : Enquiry@ytcindia.com, Our Website :- www.ytcindia.com"<br>

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ROTORK YTC YT-325 VOLUME BOOSTER | YTC INDIA

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  1. VOLUMEBOOSTERRELAYS YT-320/ 325SERIES PRODUCTMANUAL VERSION1.02

  2. Contents 1.Introduction…………………………………………………………………………………………… 3 1.1Generalinformationfortheusers……………………………………………………………….3 1.2ManufacturerWarranty……………………………………………………………………………3 2.ProductDescription…………………………………………………………………………………..4 2.1General…………………………………………………………………………………………….. 4 2.2 Main Features and Functions ……………………………………………………………………. 4 2.3LabelDescription………………………………………………………………………………….. 4 2.4ProductNumber…………………………………………………………………………………… 4 2.5ProductSpecification………………………………………………………………………………5 2.6PartsandAssembly………………………………………………………………………………..5 2.7OperationLogic…………………………………………………………………………………….6 2.8Dimension………………………………………………………………………………………….. 6 3.Installation……………………………………………………………………………………………….7 3.1Safety………………………………………………………………………………………………..7 3.2YT-320/325Installation……………………………………………………………………………7 3.3InstallationExample………………………………………………………………………………8 4.Maintenance.……………………………………………………………………………………………9 5.Trouble-Shooting……………………………………………………………………………………….9 YT-320/325series

  3. 1.Introduction GeneralInformationfortheusers Thank you for purchasing YoungTechCo., Ltd products. Each product has been fully inspectedafterits production tooffer youthehighestqualityandreliableperformance. Pleaseread the product manual carefullyprior to installingand commissionthe product. 1.1 • For the safety, it is important to follow the instructions in the manual. Young Tech Co., Ltd will not be responsible for any damages causedbyuser’s negligence. • Themanualshouldbeprovidedtothe end-user. • Any modifications or repairs to the product may only be performed if expressed in this manual. • Themanual canbealteredor revisedwithoutanypriornotice.Anychangesin product’s specification, design, and/or any components may not be printed immediately but until the following revision of themanual. • Themanualshouldnotbeduplicatedorreproduced foranypurposewithoutprior approval fromYoungTech Co., Ltd, Gimpo-si, SouthKorea. 1.2 ManufacturerWarranty • Forthesafety,itisimportanttofollowtheinstructionsinthemanual.Manufacturerwill notbe responsible for any damagescaused by user’s negligence. • Manufacturerwillnotberesponsibleforanydamagesoraccidentsasaresultofany alterationormodificationoftheproductanditsparts.Ifanyalterationormodifications • are necessary,please contactYoungTechCo.,Ltddirectly. • Manufacturerwarrantstheproductfromthedateoforiginalpurchaseoftheproductfor one(1) year, except asotherwisestated. • Manufacturerwarrantywillnotcoverproductsthathavebeensubjectedtoabuse, • accidents, alterations, modifications, tampering, negligence, misuse, faulty installation, lack of reasonable care, repair or service in any way that is not contemplated in the documentation for the product,orif the modelor serial numberhasbeenaltered, tamperedwith,defacedorremoved;damagesthatoccursinshipment,duetoactof God,failuredue topowersurge,orcosmeticdamage.Improperorincorrectly performedmaintenance will voidthis limited warranty. • Fordetailed warranty information,pleasecontactYoungTechCo.,Ltd– South Korea. YT-320/325series

  4. 2.ProductDescription General Volumeboosterrelay,YT-310/YT-315,isusedinpneumaticcontrolvalvewhichreceives the output signal from positioned and supply air pressure to actuator to reduce opening and closingtime of thevalve. 2.1 2.2 MainFeaturesandFunctions • Constant air pressure at theratio of 1:1 • By-passcontrol enhancessafety of thecontrolvalve operation. • Responsetoslightchangesininputsignal,whichincreasesaccuracyoftheoutput pressuretoactuator. • Internal100 meshscreenfilters smalldust entering into the product. • SIL3certified 2.3 LabelDescription Fig.1:YT-320/ 325BodyLabel Model: Max.Sup.: MaxSig/OutPress.: ProductNo.: Indicatesthemodel number Indicates maximumsupplypressurerange. Indicatesmaximum signal/ output level. Indicatesthelotnumber. 2.4 ProductNumber YT-320/325series

  5. 2.5 ProductSpecification Testedunderambienttemperatureof20’C,absolutepressureof760mmHg,andhumidityof65%.Pleasecontact YoungTechCo.,Ltdfordetailedtesting specification. PartsandAssembly 2.6 YT-320/325series

  6. 2.7 OperationLogic Assupplypressurefromregulatorisconnectedtosupplyportandsignalpressureis connectedtosupplyport,upperdiaphragm(○3)anddiaphragmassemblywillgetpushed down.Astheyarebeingpusheddown,theypushstem(○7)andsupplypressurewillbe exhaustedtooutputport.Asoutputandsupplypressureisequalized,stem(○7)willbe movedtokeepsignalandoutputpressuretheratioof1:1.Ifoutputpressureishigherthan signalpressure,diaphragmassemblywillberaised,andoutputpressureintheexhaustring (○4)willbeexhaustedthroughexhaustport.Thesensitivityofoutputpressuretosignal pressure can beadjusted by setting adjustbolt (○1). 2.8 Dimension YT-320/325series

  7. 3.Installation Safety When installinga unit, please ensure toread and followsafety instructions. 3.1 • Check unit’s specificationand ensure touse asspecified. • Use bypass valve or other supportive equipment to avoid entiresystem “shut down”. • Ensuretousefilter regulator. • Use manometer to monitorthe pressure level whensetting the pressurelevel. YT-320/325Installation YT-320/325canbeinstalledwithorwithoutabracketdependingonthefieldrequirement. Pleaserefer toYT-320/ 325 dimension to build appropriate bracket, if required. 3.2 YT-320/325series

  8. 3.3 InstallationExample Doubleactinglinearactuator Singleactingrotaryactuator YT-320/325series

  9. 4.Maintenance YT-320/325 requires regular maintenance. Please refer to below repair kit part list. It is suggested to replace allthree parts at thesame time to guarantee the life cycle ofthe product. 4.1 • Upperdiaphragmassembly: • Lowerdiaphragm: • O-rings: 1each each each • Trouble-Shooting • Please followtrouble-shootingwhen the productisnot functioning properly. • Novalveresponsetosignaltoa positioner. • Pleasecheckifsupplypressureisstablefromregulatortopositionerand/orto volumebooster. • Please checkifairpressureisbeingexhausted from positioner’sexhaustport. • Pleasecheckif signal and exhaust portsof thevolume booster are beingcleared. • Unstablevalve operationwhensignalhasbeen sent toapositioner. • Pleasereduce valve packing and/or valvefriction level. • Pleasecheck current actuatorsize and check if volume booster sizeis suitable. • Huntingoccurswhensignalhas beensenttoapositioner. • Pleasereduce valve packing and/or valvefriction level. • Pleasecheck current actuatorsize and check if volume boostersize issuitable. • Pleaseturnadjust screwcounter-clockwisetoreduce sensitivity. • Slowvalveoperation afterinstallingavolumebooster. • Pleasecheckif regulatorpressure is toolow. • Pleasecheck if supply piping totheactuator has beenblocked orclogged. • Pleasecheckifthereisanyleakage. • Pleaseturnadjustscrewclockwise toenhance sensitivity. YT-320/325series

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