双膜片式高静压差压表YCADoublediaphragmdifferentialpressuregaugeforhighsteadyYCANYCA标准型StandardstyleYCAN充液耐震型Vibration-prooftype仪表特性●耐压10MPa●耐震型●长尾隔膜●各种安装形式Feature●Withstandingpressure10MPa●Vibration-prooftype●Capillarydiaphragm●Multifoldmountingtype产品简介双膜片式高静压差压表主要用于过滤器的正负压力端，液体灌液位、泵出入口、输油管线、输气管线和加压泵站等场合的压力差的测量。本仪表具有较高的耐压性能，并适合于在有腐蚀性的环境中使用。PRODUCTOVERVIEWMainlyusedformeasuringthedifferencebetweentwopressurevalues,intheplusandminusendsoffilter,thelevelofliquid,theentranceandexitofpump,oilpipeline,gaspipelineandhighpressurepumpstationandsoon.Itisexcellentwhileoverpressuretakeplace,alsosuitableforcorrosionenvironments.技术参数执行标准：Q/YGBBI009-2005精度：1.6%,2.5%（高于0.1MPa可选1.6级）表玻璃：双层安全玻璃指针：铝，黑色，可调零表头形式：外径100，150密闭型干表（充油YCAN可选）防护等级：IP65膜片材质：316L（负压膜片）316Ti（正压膜片）过程连接：316不锈钢表壳材质：304不锈钢机芯材质：304不锈钢防爆塞和充油塞材质：耐油橡胶静压：盘面满量程动压：0.7×满量程过压保护：双边耐压达到10MPa使用温度：－20℃～60℃温度漂移：随介质温度每变化&plu***n;10℃，指针指示位置漂移&plu***n;0.8%仪表量程：16KPa、25KPa、40KPa⋯⋯600kPa（见规格代码表）表连接：M20×1.5G1/2”NPT1/2，NPT1/4内螺纹（不配三阀组时）另外还可以做成长尾法兰连接、长尾螺纹连接、隔膜长尾法兰连接（主要用于粘稠介质或特殊材料膜片）。表盘：铝，白地黑字（表盘可以根据用户要求设计为非标形式）仪表应配三阀组或五阀组使用。表壳充油:YCAN充填硅油；YCA为干式FOUNCTIONALFEATURESExecutivestandard:Q/YGBBI009-2005Accuracy:1.6%,2.5%Window:laminatedsafeglassPointer:aluminium,black,zeroadjustableCase:DS100,150airtighttypedrygauge(oilfilledYCAN***ailable)Protection:IP65Diaphragmmaterial:316L（fornegativepressure）316Ti（forpositivepressure）Processconnection:316ssCasematerial:304SSMovement:stainlesssteel304ssThematerialofblowoutventandfillingplug：oilresistantrubberSteady:fullscalevalueFluctuating:0.7×FSOverpressureprotection:bothendssupport10MPaOperatetemperature:－20℃～60℃Thermaldrift:&plu***n;0.8%every&plu***n;10℃ofmediatemperatureRange:16KPa、25KPa、40KPa⋯⋯600KPa(detailinrangetable)Connection:M20×1.5G1/2”NPT1/2，NPT1/4threadinside(without3-waymanifold)orcapillaryconnection,capillarythreadedconnection,diaphragmcapillaryflangedconnection(mainlyusedinviscousmediumordiaphragminspecialmaterials).Dial:aluminium,whitewithblackletters(canbemadeasrequired)Theinstrumentshouldbeusedwith3-waymanifoldgroupor5-waymanifold.Oilfilling:YCANSiliconfilled;typeYCAisdry.差压表安装Differentialpressuregaugesdimensi***（一）后背板安装BackmountingNote:1.backmountingfitforplatemounting注：1、后背板只适合平面安装（如仪表板、机器外表平面等）；(instrumentplate,andoutersurfaceetc)2、注意平面要坚固，使差压表安装后牢固，不会发生掉落；2.Makesuretheplaneandmountthe3、特殊后背板可按客户要求出图加工或照来样加工。differentialgaugearetight,whichwillnotfalloff.（二）固定支架安装Steadyrestmounting注：1、固定支架安装只适用于管道安装（横向或竖向；Note:1.Steadyrestmountingissuitableforpipe2、注意管道的外径不能大于60mm；(horizontalorvertical)3、仪表可以装到支架上方或下方，方便用户自由选择。2.Outerdiameterofpipecannotover60mm量程范围规格代码表TABLEOFRANGES选型代码code量程规格ranges选型代码code量程规格ranges选型代码code量程规格rangesK11016KPaK192100KPaK220400KPaK15040KPaK196160KPaK240600KPaK17060KPaK200250KPa以上量程为常见量程以上量程以外规格另行商定otherrangpleaseconsnctwithus三阀组的安装、拆卸及使用方法ThreeValvesmounting,disassemblyandmethodofapplication安装Mounting1.正常使用差压表必须配三阀组或五阀组以保护差压表正常工作。2.差压表和三阀组用两个索母紧固。索母和差压表接头密封面应加四氟垫片。3.装有三阀组的差压表在使用前必须把中间阀门打开，并把正压阀门和负压阀门打开。（当P+和P-任意的压力***入时，中间阀门能起到平衡差压表两腔体内的压力的作用，以免打坏差压表。）4.当P+、P-的压力正常进入三阀组后，再关闭中间阀门使差压表正常工作。如差压表表针有轻微离零属正常，只需把表针调到零位即可（注意必须用肥皂水检验所有密封口是否***，如有***必须紧固。）5.差压表有后背板式安装（如图）和立管固定方法。（管卡子卡到管子上）。1.Usedifferentialgaugemustfitoutthreevalvesinorderoinsureit’snormalworking.2.Thedifferentialgaugeandtherevalvesareconnectedbytwoutstightly,nutandsocketarewithPTFEspacer.3.Openthemiddlevalve,negativepressurevalveandpositiveressurevalvebeforeusethedifferentialgauge,wheneitherofP-orP+input,themiddlevalvecanh***eequilibriumactivity,and***oidtodamagethegauge.4.WhenP-andP+normalinputthethreevalves,theclosethemiddlevalve,tomakethegaugeworksright.Ifthegauge’spointerisnotatzero,pleaseadjustittozero(notemustusesoapwatertoinspecttheseal,ifhasleak,pleasetight.)5.Thedifferentialpressuregaugehasbackplatemounting(seethechart)andtandpipefixed(thepipewithclamp).拆卸Disassembly1.首先打开三阀组的中间阀门。并打开正压和负压阀门（正压负压阀门原始为打开）2.关闭总进气的两个阀门。（在设备的主管道上）3.拆下更换仪表（卸两个索母）注意用扳子卡住差压表的接头，只拆三阀组上的上索母。先松开一点放空压力，再把卡到管子上的卡子螺母松掉，并把卡子拿下。4.再把三阀组上的两个索母慢慢松开把差压表取下。（注意一定要两个索母同时松）5.把新表装上的方法同上面安装方法***好换上两个新的四氟垫（确保不漏）6.把卡子卡好7.先开总开关（两个），再关上差压表三阀组中间的阀门（新接口用肥皂水试漏）。8.两分钟后把差压表表针调到零位。（如没有轻微离零不用调整）1.Openthemiddlevalve,negativepressurevalveandpositivepressurevalve(negativepressurevalveandpositivepressurevalveoriginalstateisopen).2.Closethesetwoinputvalves(onthemainpipeofequipment).3.Dischargeinstrument(dischargetwonuts),usespannerlockthesocketofgauge,andjustdischargethenutsonthreevalves.Dischargepressure,thenputoffthenutsandclamp.4.Screwdownthetwonutsandtakedownthedifferentialpressuregauge(notescrewdownthesetwonutstogether)5.Theninstallthenewgauge(sameasmountingmethod),changetwospacerstoensureitwillnotleak.6.Fixtheclamp.7.Openmainswitch(two),thenclosethemiddlevalve.(usesoapwatertoinspectleak)8.Twominuteslater,setthepointeratzero(ifitdoesnotoutoffzero,youneedn’ttoadjust).注：在装表或卸表时，必须保证中间阀门和P+、P-两个阀门全部开启，以确保仪表能正常使用。产品详细资料请点击：双膜片高静压差压表.pdf双膜片式高静压差压表YCA长尾隔膜差压表YCAN过滤器用差压表差压表/高静压差压表732.52/YCA差压表/高静压耐震差压表733.52/YCAN)