Air flow meter (industrial use,RXDC flow meter,Fla

gas flowmeter,gas meter,air flow meter,flowmeter:industrial use,all gas, natural gas Theflowmetersareapplicabletothefollowingranges: lDiameter,Φ15 Φ3000mmorbigger. lHighandlowtemperature,-196+700oC. lHighpressure:0 70Mpa. Description a.ConnectionflangeshallexecuterelevanttechnicalrequirementsinstatestandardGB/T9115.1 9115.4-2000. b.Allstandardflangesfromothercountries(Japanesestandard,USAstandardandGermanstandardetc.)arespecialorder. c.Forhightemperaturetypeandtemperature/pressurecompensationtype,inadditiontopipelineflange,connectionmodecanbeclampedmountingtype,insertedtypeorthreadedstructure. d.Jacketinsulationtype(heatconductingtype)issuitableforapplicationsinwhichpreheatingandthermalinsulation,orprocessthermalinsulationarerequiredtoeliminatemediasolidifyingandcrystallizationduringprocessflow.Thistypeisnormallyusedforviscousmediasuchasmodifiedasphaltandcoaltaretc. e.Whenmediatemperatureinhightemperaturetypeflowmeteris>200,upside-downhorizontalinstallationmustbeusedfortheinstrument.Forthepurposeofdesign,sufficientinstallationspaceshallbeconsidered. f.Incasemediaflowup-downordown-up,forordering,pleasenote:rightview,leftview(showinggaugehead) Size Nominalinsidediameter Totalwidth Totalheight Conventionalproduct flangepressure Remark A B Flangeclass A,Bareforreference;ex-factoryproductshallgovern DN15 200 305 1.6; 2.5; 4.0 DN20 200 310 DN25 205 315 DN32 205 340 DN40 210 345 DN50 220 355 2.5; 4.0 DN65 240 370 DN80 250 390 DN100 260 410 DN125 305 445 DN150 315 460 DN200 324 530 2.5 DN250 360 595 DN300 400 655 maintechnicalindices Measuredmedia Liquid,gas,steam Nominaldiameter Pipelinetype 15 300mm Clampedmountingtype 15 600mm Insertedtype 100 4000mm Nominalpressure 0 55MPa 0 55MPa 0 55MPa Mediatemperature -20 70oC(normaltemperaturetype) -196 +700oC(high/lowtemperaturetype) Accuracy ±0.2% ±0.5% ±1.0% ±1.5% ±2.5% Rangedegree 1:10 1:15 1:30 1:100(gas) 1:15(steam) Compensationtype Temperaturecompensation;pressurecompensation Repeatability 0.1% 0.08% Powersupply Built-in3.6VLibatter;externalpowersupplyof24VDC; 220VAC(onlyforseparatedigitaltube) Outputforms Sitedisplayreading;4 20mA(2-wiresystem);pulse;0 10V; RS232/RS485(optional);HART PROTOCOL Material Carbonsteel;s.s.304;s.s.316L;alsosuppliedtouserrequirement Explosion-proofsign Intrinsicallysafetype(ExiallCT4);Explosionisolatingtype(ExiallBT4) Protectionclass IP65;IP67;IP68 Note:SizeofflowmeterflangeshallexecuteGB/T9115.1 9115.4 2000seriesstandard.Forpipelinetype,smalldiameterflowmeterofDN6,DN8,DN10etc.canbemanufacturedtouserrequirements.