LeveL Switch cataLogue - Serkon · LeveL Switch cataLogue. 2. 3 ... Quality for your safety Certificates and test reports 6 ... t-100 test report, acc. to eN 10204-2.2

LeveL Switch cataLogue

2

3www.besta.ch

worldwide in use Trimod Besta Level Switches 4

worldwide approved Approvals 5

Quality for your safety Certificatesandtestreports 6

Modular flexibility Switch-,flange-andfloatmodules 7

Mounting combinations Numerousexamples 8

various trimod Besta applications Applicationexamples 9

typical switch combinations StandardRangeelectric 10to handle most applications StandardRangepneumatic 14 IndustrialRange 17 PlasticRange 19

Specifying your own particular Switchmoduleselectric 21trimod Besta level switch ... Switchmodulesexplosion-proof 24 Switchmodulespneumatic 26 Flangemodulesstandard 27 Flangemodulesindustrial 28 Flangemodulesplastic 31

Floatmodules 32 Rodextensions 36

... or how we can do it for you Specificationsheet 37

accessories which save time, Counterflanges 38labour and expense Testactuators 39 Floatchambers 40

trimod Besta in hazardous areas Explosion-prooflevelswitches 43

electrical data to assist type selection Micro-andproximityswitches 44

Table of contents

CatalogueLTKE2010.11,English

4

oil & gas

BestaLtd.hasextensiveexperienceintheOffshoreIndustry.SomeimportantfeaturesoftheTrimodBestaproductrangeforoil-&gasapplications includestainlesssteelexplosion-proofhousings,custom-madefloatchamberdesignandNACEcompliance.

Shipbuilding TrimodBestalevelswitchesarespecifiedbytheworldsmajorshipyardsandowners.MuchofBesta’sproductdevelopmentanddesignhasevolved fromexperiencewithin theMarineIndustry such as fully submersible housings and captive terminal components. Trimod Besta level switches are registeredworldwideand includeLRS,DNV,ABS,GL,BV,RINA,RMRS,andCCSshippingapprovals.

chemical- & Petrochemical industry

IntheChemical-andPetrochemicalIndustryTrimodBesta’smodulardesigncansolvemanyspecialapplicationproblemswhichmay require high pressure, high temperature and corrosionresistantcomponents.Formeasurementandcontrolofhighlyaggressiveorhighpuritymediaweofferacompleteprogramofplasticswitches.

Power generation

ExtremereliabilityisvitalinsomeoftheapplicationsinPowerPlants.ShockandvibrationresistantTrimodBestalevelswitchesareusedforcriticalturbinetripdutiesonHP/LPHeaterPlants. TheQualityManagementSystemISO9001andproductiononCNCmachinesassurethehighestproductstandard.

Trimod Besta Level Switches are used worldwidein many industries


5www.besta.ch

TrimodBestalevelswitcheshavebeenexaminedandapprovedbythemostimportantandinternationallyrecognizedorganisa-tions.Numerousapprovalstogetherwithperiodicauditswarrantcontinuousqualitycontrolthroughouttheproductionprocess.The list of approvals for TrimodBesta level switches and accessoriesisgrowingcontinuously.Contactusforuptodateinformation.

Physikalisch-technische Bundesanstalt / PtB EExedIICT6(Z-types)PTB03ATEX1006 EExiaIICT6(I-types),PTB02ATEX2198 EExiadIICT6(XB-andXI-types),PTB04ATEX2049 EExdeIICT6(XA-types),PTB04ATEX1062

international electrotechnical commission / iecex ExedIICT6(Z-types),IECExPTB07.0003 ExiaIICT6...T2(I-types),IECExPTB07.0005 technischer Überwachungs-verein / tÜv PED/DGRLCat.IVNo.CH-SVTI-02-08-27867-001

gost R POCCCH.TH02.H02177

american Bureau of Shipping / aBS Bureau veritas, Paris / Bv

Det Norske veritas, oslo / DNv germanischer Lloyd, hamburg / gL Lloyds Register of Shipping / LRS Registro italiano Navale, Roma / R.i.N.a Russian Maritime Register of Shipping / RMRS

China Classification Society / CCS

CertificateNo.MF733873-X CertificateofApprovalNo.03482/F0BV

CertificateNo.A-10101 TypeApprovalCertificateNo.66656-74HH TypeApprovalCertificateNo.05/20052(E2) CertificateNo.ELE/144605CS RecognitionCertificateNo.05.07007.250TypeApprovalCertificateNo.05.04039.250TypeApprovalCertificateNo.05.04040.250

CertificateNo.HBT04291055

Worldwide approved


6

Qualitycontrolisacornerstoneofourmanagementphiloso-phyandtherefore,wehaveintegratedthequalitysystemaccordingtoISO9001certifiedbyBVQI(BureauVeritasQualityInternational).Thus,qualitycontroltousisnotonlyastrongsalesargument,butalsoanobligation.

t-100 test report, acc. to eN 10204-2.2 Forflangeandfloatmaterialsofthelevelswitches,coun-terflangesandtestactuators. T-101 Inspection certificate, acc. to EN 10204-3.1 Forflangematerialsofthelevelswitches,counterflangesandtheintermediatepartofthetestactuators.

T-110 Test certificate ForTrimodBestalevelswitches(pressuretest,electr.functiontest,isolationresistancetest,pneumaticfunctiontest). t-121/T-130 Test Certificates for Float Chambers Pressuretest,materialcertificates(2.2/3.1),additionaltests(X-rays,ultrasonic,hardnesstestetc.)

Quality for your safety


ThefollowingofficialBestacertificatesandtestreportsareavailableonrequest:

7www.besta.ch

what you need ...

Besta’smodulardesignisauniquedeviationfromconventionallevelswitchconstruction.Thismodularsystemallowsindividualandnumerouscombinationsoffloat,flangeandswitchmodulestosuityourspecificrequirements.Switchmodulesareavailablewithelectric,electronicorpneumaticoutputsignals.SwitchhousingsarestandardtoIP65enclosure,butdependingonenvironmentalconditionsIP67orIP68mustbechosen.Forhazardousareas,hermeticallysealedmicroswitches,flameproofhousingsorpneumaticswitchmodulescanbeused.

... is quickly installed ...

TrimodBestaflangemodulesareavailableinvariousstandards.TheIndustrialandPlasticFlangerangesaremanufacturedaccordingtointernationalstandards suchasDIN,ANSI,BSorJIS.Thebenefitofthehingedcover,thecaptivescrewsandtheselfliftingterminalclampsisaneasyinstallation.Forconve-nienceofwiring,theconnectiondiagramisshownontheinsideofthehingedlid.Theinterchangeabilityofthesinglemodulesallowshighflexibilityregardingmaintenanceorchangingapplicationrequirements.

... and lasts forever.

Sofar,hundredsofthousandsofTrimodBestalevelswitchesareondutyworld-wide.Thefloatmovementcausedbytheriseandfalloftheliquidlevelistrans-mittedbytworepelling,permanentAINiComagnets. Thesturdydesignandthedoublesnapeffectasaresultofthemagneticrepul-sionandthesnapactionofthemicroswitchguaranteeavirtuallyunlimitedlifetime. Thefloatmodules,likeallwettedparts,aremadeofstainlesssteel,HastelloyC orhighqualityplastics.Awiderangeoffloatsisavailabletosuitvariousvis-cosity-,temperature-andpressurerangesforalmostanyprocesscondition.

The unique modular level switch system


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01 02 03 04 05

06 07 08

16 17 18

01 06 09

02 07 10

03 08 11

04 12

05 13

14

15

With modular compatibility all options are open

01 withmicroswitchesorproximityswitches,alsoinexplosionproofversionsaccordingtoATEX/IECEx

02 pneumaticswitchingmodulewithON/OFFor proportionaloutput

03 inIP68protectionforsubmersionapplications

04 forapplicationsrequiringexplosionproofversionsaccordingtoATEX

05 withheatexchangerforveryhighorlowoperatingtemperatures

06 squarestandardflangesinstainlesssteel, 92mmPCD

07 stainlesssteelandHastelloyindustrialflangesaccordingtoDIN,ANSI,BSandJIS

08 PPandPTFEindustrialflangesaccordingtoDIN,ANSI,BSandJIS

09 withfixedoperatingdifferential

10 withrodextensionforlongeroperatingdifferential

11 rodextensionforswitchpointcorrection

12 withbellowfordirtymedia

13 forpumpcontrolwithadjustableoperatingdifferential

14 plasticversionsforaggressivemedia

15 forseparationlayersurveillanceoftwomediawithvaryinggravity

16 forverticalmounting

17forverticalmountinginplastics

18forverticalmountingwithrodextension

top mount combinations


Side mount combinations

9www.besta.ch

Application examples

pump and valve control separation layer control external level control

highalarm

low alarm

max

min

pumpoff

pumpon

pumpoff

pumpon

high/low alarm

high/low alarm

max/min limits pneumatic control pump and valve control


alarm, limit and controlfunctions with trimod Besta

10

ThecharacteristicofaTrimodBestalevelswitchoftheStandardRangeisthesquareflangeinstainlesssteelwithboltholesona92mmPCDandanominalpressureratingofPN25.Thefollowingpagesshowthelevelswitcheswhicharemostcommonlyused.However,countlessmorecombinationsoftypesarepossible.Detailedinforma-tioncanbefoundonallthemodulesavailablewiththepossiblecombinationsonpages21to36.Foraccessories,suchastestactuators,counterflangesandfloatchambersseepages38to42.

Type A 01 04 - For general purpose Nominalpressure Operatingtemperature Ambienttemperature Density

Operatingdifferential Rodextensions Wetside material Flangematerial Housingmaterial Flangedimensions Counterflange Switchelement Switchrating Enclosure Weight

type a 01 041 - Low cost solution ThistypeisthesameastheA0104butthereisnopossibilityformountingarodextension. Type A 01 01 - For installation in limited space Theoveralllengthofthistypeis194insteadof226mm.Minimumliquid density:0.8kg/dm³.AllotherdataastypeA0104. Type 5A 01 04 - For corrosive environments AstypeA0104exceptthatthecompleteswitchhousing(excludingthecablegland),ismanufacturedinstainlesssteel(CrNiMo)andisthereforehighly corrosionresistant. Weightapprox.2.7kg. Type A 01 07 - For low density fluids Thislevelswitchcanbeusedforliquidswithdensitiesaslowas0.5kg/dm³. AllothertechnicaldataastypeA0104.Weightapprox.2kg.

Typical Standard Range switchesto handle the majority of applications

PN25max.25barupto300°C 0to300°C 0to70°C min.0.7kg/dm³ fixed12mm seepage36 Stainlesssteel(CrNiMo) Stainlesssteel(CrNiMo) Seawaterresistantdiecastaluminium square92x92mm,PCD92mm seepage38 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.1.8kg

Typical applications:shipbuilding,refrigeration,chemicalengineering,foodindustry,pulpandpaper,drinkingwatersupply,sewagetreatmentetc.


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Type A 01 051 to A 01 054 - For contaminated or crystallizing media. Bellowstopreventjammingofthefloatmechanism. Bellow materials Operatingtemperatures Mountinglength Weight Type U3A 01 04 to U11A 01 04 - For submersible applications Operatingtemperature Ambienttemperature Housingmaterial Enclosure Lengthofencapsulatedcable U3A0104 U5A0104 U11A0104 Weight U3A0104 U5A0104 U11A0104 Type A 01 08T1 - For interface application Densityofheavierliquids Differenceindensity Operatingdifferential Rodlength Weight Thepositionoftheweightontherodextensioniscalculatedinreferencetothedensitiesofthemediaandisfactorypreset.

A01051 Perbunan/Buna A01052 Silicon A01053 FPM A01054 PTFE A01051 0to120°C A01052 0to200°C A01053 10to200°C A01054 0to250°C 253mm approx.2kg AllothertechnicaldataastypeA0104 -30to80°C -30to80°C Seawaterresistantdiecastaluminium IP68 switchhousingispressuretight upto100metersWG 3m 5 m 11m approx.2.5kg approx.2.8kg approx.4kg AllothertechnicaldataastypeA0104 min.0.8kg/dm³ min.0.22kg/dm³ approx.20mm 100mm approx.2.4kg AllothertechnicaldataastypeA0104


12

Type A 01 090 to A 01 095 - For adjustable operating differential Theselevelswitchesaremainlyusedfortwo-pointoperation,forexamplepumpcontrol. Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid OperatingdifferentialS Wetside material Flangematerial Housingmaterial Flangedimensions Counterflange Switchelement Switchrating Enclosure Weight Adjustment of switching differential Theswitchingdifferentialcanbesetbyinsertingpegsinholes1to9oftheadjustmentblock(seedrawing).Theresultingdifferentials,thepositionsoftheswitchingpointsandthefloattravelcanbeseeninthetablebelow. Thevaluesareinmmandarereferencedtowaterat20°Canddensityof 1.0kg/dm³.

PN25,max.25barupto300°C 0to300°C 0to70°C min.0.75kg/dm³ (A01095:min.0.9kg/dm³) see table Stainlesssteel(CrNiMo) Stainlesssteel(CrNiMo) Seawaterresistantdiecastaluminium square92x92mm,PCD92mm seepage38 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.2kg


type a 01 090 a 01 091 a 01 092 a 01 093 a 01 095L 278mm 361mm 461mm 561mm 246mm

Pos. X1 X2 Diff.S

Y1(Z2)

Y2(Z1) X1 X2 Diff.

SY1(Z2)

Y2(Z1) X1 X2 Diff.

SY1(Z2)

Y2(Z1) X1 X2 Diff.

SY1(Z2)

Y2(Z1) X1 X2 Diff.

SY1(Z2)

Y2(Z1)

1-4 +108 +60 48 175 (10) +157 +85 72 238 (20) +230 +125 105 315 (50) +292 +160 132 395 (75) +100 +55 45 147 (10)1-5 +108 +15 93 175 35 +157 +25 132 238 37 +230 +39 191 315 39 +292 +48 244 395 42 +100 +18 82 147 351-6 +108 -25 133 175 85 +157 -37 194 238 105 +230 -51 281 315 135 +292 -65 357 395 165 +100 -18 118 147 741-7 +108 -52 160 175 125 +157 -90 247 238 165 +230 -124 354 315 215 +292 -160 452 395 265 +100 -46 146 147 1151-8 +108 -80 188 175 153 +157 -128 285 238 206 +230 -171 401 315 275 +292 -215 507 395 345 +100 -70 170 147 1281-9 +108 -110 218 175 175 +157 -160 317 238 238 +230 -212 442 315 315 +292 -265 557 395 395 +100 -90 190 147 147

2-5 +98 +15 83 153 35 +122 +25 97 206 37 +181 +39 142 275 39 +230 +48 182 345 42 +79 +18 61 128 352-6 +98 -25 123 153 85 +122 -37 159 206 105 +181 -51 232 275 135 +230 -65 295 345 165 +79 -18 97 128 742-7 +98 -52 150 153 125 +122 -90 212 206 165 +181 -124 305 275 215 +230 -160 390 345 265 +79 -46 125 128 1152-8 +98 -80 178 153 153 +122 -128 250 206 206 +181 -171 352 275 275 +230 -215 445 345 345 +79 -70 149 128 1282-9 +98 -110 208 153 175 +122 -160 282 206 238 +181 -212 393 275 315 +230 -265 495 345 395 +79 -90 169 128 147

3-5 +58 +15 43 125 35 +81 +25 56 165 37 +122 +39 83 215 39 +145 +48 97 265 42 +52 +18 34 115 353-6 +58 -25 83 125 85 +81 -37 118 165 105 +122 -51 173 215 135 +145 -65 210 265 165 +52 -18 70 115 743-7 +58 -52 110 125 125 +81 -90 171 165 165 +122 -124 246 215 215 +145 -160 305 265 265 +52 -46 98 115 1153-8 +58 -80 138 125 153 +81 -128 209 165 206 +122 -171 293 215 275 +145 -215 360 265 345 +52 -70 122 115 1283-9 +58 -110 168 125 175 +81 -160 241 165 238 +122 -212 334 215 315 +145 -265 410 265 395 +52 -90 142 115 147

4-6 +25 -25 50 85 85 +31 -37 68 105 105 +48 -51 99 135 135 +63 -65 128 165 165 +23 -18 41 74 744-7 +25 -52 77 85 125 +31 -90 121 105 165 +48 -124 172 135 215 +63 -160 223 165 265 +23 -46 69 74 1154-8 +25 -80 105 85 153 +31 -128 159 105 206 +48 -171 219 135 275 +63 -215 278 165 345 +23 -70 93 74 1284-9 +25 -110 135 85 175 +31 -160 191 105 238 +48 -212 260 135 315 +63 -265 328 165 395 +23 -90 113 74 147

5-7 -15 -52 37 35 125 -33 -90 57 37 165 -40 -124 84 39 215 -50 -160 110 42 265 -12 -46 34 35 1155-8 -15 -80 65 35 153 -33 -128 95 37 206 -40 -171 131 39 275 -50 -215 165 42 345 -12 -70 58 35 1285-9 -15 -110 95 35 175 -33 -160 127 37 238 -40 -212 172 39 315 -50 -265 215 42 395 -12 -90 78 35 147

6-9 -55 -110 55 (10) 175 -80 -160 80 (20) 238 -105 -212 107 (50) 315 -135 -265 130 (75) 395 -45 -90 45 (10) 147

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Type A 01 140 to A 01 141 - For vertical mounting Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid pumpcontrol alarm OperatingdifferentialS Wetside material Flangematerial Housingmaterial Flangedimensions Counterflange Switchelement Switchrating Enclosure Weight Setting the switching differential 1.Forpumpcontrol(twoswitchpoints): Therequireddifferentialissetbyfixingthetwostopcollarsintheappropriatepositionsontherod.Thecounterweightisadjustedtocompensatefortherodweight(withoutfloat),untilthecrossarmisbalanced.Thefloatslidesupanddowntherodwiththeliquidlevelandactuatestheswitchatthesetpositionofthestopcollars. Theswitchremainslatchedbetweenthetwopositions,whichareforapplica-tionssuchaspumpcontrolwherethecontactorcoilwouldneedtoremainenergisedthroughoutthepumpingcycle. 2.Foralarmduty(oneswitchpoint): Onlythelowercollarisfixedontherod(belowthefloat).Withinthelimitoftherodlength,theheightofthealarmpointcanbechosenasrequired.Thecoun-terweighthastobesettooutweightherod(withoutfloat).Thealarmswitchingdifferentialis12mm,fixed. installation Overopentanksorsumpsonabracket.Onclosedtanksonthemanholecoverwithfloatmountedfromtheinside.Intheabsenceofamanhole,i.e.thefloatcannotbemountedfromtheinside,anintermediateflangeofatleastDN125/5″ shouldbeused.Ifturbulenceoccurs,therodshouldbeguidedlooselyatthelowerend.Forcounterweightsetting,refertodatasheetLTDS02E. Type U3A 01 140 to 141 - For vertical submersible mounting Operatingtemperature Ambienttemperature Enclosure Lengthofcast-incable Weight

PN16,max.16barupto300°C 0to300°C 0to70°C 0.45kg/dm³ 0.30kg/dm³ A01140: 12to1340mm A01141: 12to2840mm Stainlesssteel(CrNiMo) Stainlesssteel(CrNiMo) Seawaterresistantdiecastaluminium square92x92mm,PCD92mm seepage38 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 A01140 approx.2.5kg A01141 approx.2.7kg

-30to80°C -30to80°C IP68switchhousingispressureproofupto100metersWG 3m U3A01140 approx.3.2kg U3A01141 approx.3.4kg Allothertechnicaldataasdescribedabove

counterweight

Stop collar

Stop collar


14

A

C

B

A

C

B

Theairsupplytothe3/2wayvalvemaybeconnectedtoeitherAorB,accordingtowhetherfillingoremptyingoperationisdesiredorwhethertheactuatorisnormallyclosedoropenwhenpressurized.E.g.pressurecanbeappliedthroughAtoCandexhaustedfromCthroughB,alternativelypressurecanbeappliedthroughBtoCandexhaustedfromCthroughA.

Type 5P 01 04 - For critical environments or high temperatures. all parts stainless steel. AsP0104,butswitchhousingalsoinstainlesssteel(CrNiMo)andtherefore,highlycorrosionresistantandsuitablefortemperaturesupto300°C. Weightapproximately2.2kg. Type PV 01 04 - For moist control air AsP0104,butwithdrainvalveforcondensateremoval. Type FP 01 04 - For hazardous applications AsP0104,butfunctionallytested. Withdeclarationofconformityforuseinexplosionproofareas. Type FPV 01 04 - For moist control air in hazardous applications AsFP0104,butwithdrainvalveforcondensateremoval. Withdeclarationofconformityforuseinexplosionproofareas.

Type P 01 04 - For pneumatic control applications Equippedwithadirectlycontrolled3/2wayvalve(ON/OFF)forcontrolairof 0to10bar.Operationwithothernon-corrosivegasesorfluidsispossible. Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Operatingdifferential Rodextension Controlconnections Max.controlpressure Internalorifice KvFactor Internalleakagerateat10bar Airflow Pressuredrop Wetside material Flangematerial Housingmaterial Flangedimensions Counterflange Weight Airquality

PN25,max.25barupto250°C 1to250°C 1to80°C min.0.7kg/dm³ fixed12mm seepage36 G1/8″(BSPP)insidethread 10bar 1.5mm 1 max.1cm³/min 90Nl/minat6bar 1bar Stainlesssteel(CrNiMo) Stainlesssteel(CrNiMo) Seawaterresistantdiecastaluminium seepage38 square92x92mm,PCD92mm approx.1.7kg class4,ISO8571 (max.particlesize15µm,max.particledensity8mg/m³)

Fill:

inletairpressure max.1.0MPa(10bar)

Empty:

inletairpressure max.1.0MPa (10bar)


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0

+300

1000100 200 300 400 500 600 700 800 900

+200

+100

-100

-200

-300

Type M 01 04 - For pneumatic proportional control applications Equippedwithapneumaticcontrolvalvewhichconvertsthesupplypressureof1.4bartoanoutputsignalof0.2to1bar(Option:7to15psi),proportionaltochangesintheliquidlevel. Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Controlrange Controlconnections

Controlpressure Outputsignal Linearity Airflow Airconsumption Wetside material Flangematerial Housingmaterial Flangedimensions Counterflange Weight Airquality

Control range Thenormalcontrolrangeis30mm,i.e.+15mm/-15mmfromthecentreline,mea-suredinwaterat20°C.Withthefloatinthecentralposition,theoutputis0.6bar.Thecontrolrangecanbeincreasedbylengthen-ingthefloatarm(seegraphleft).

PN25,max.25barupto250°C 1to250°C 1to80°C min.0.7kg/dm³

see table below G1/8″(BSPP)insidethread

1.4bar 0.2to1bar ±5%(offullscaleoutput) 3.5to6.0Nl/min. (canbeincreasedbyusingexternal boostervalve) max.0.4Nm³/h Stainlesssteel(CrNiMo) Stainlesssteel(CrNiMo) Seawaterresistantdiecastaluminium square92x92mm,PCD92mm seepage38 approx.1.7kg class3,ISO8571 (max.particlesize5µm, max.particledensity5mg/m³)

For operation at higher control pressure up to max. 10 bar

rodlengthL(mm)

controlrange

floattravel


control pres-sure in bar

output signal in bar min. max.

control rangeP max / P min

2 0.25 1.5 64 0.6 3.1 5.176 1.1 4.8 4.36

8 1.8 6.5 3.61

10 2.5 8.3 3.32

16

E

C

p

p

C

E

E

C

p

p

C

E

E

C

p

p

C

E

E

C

p

p

C

E

Type 5M 01 04 - For critical environments or high temperatures. all parts stainless steel. AsM0104,buthousingalsoinstainlesssteel(CrNiMo)andtherefore,highlycorrosionresistantandsuitableforoperatingtemperaturesupto300°C. Weightapproximately2.2kg. Type MV 01 04 - For moist control air AsM0104,butwithdrainvalveforcondensateremoval. Type FM 01 04 - For hazardous applications AsM0104,butfunctionallytested.Withdeclarationofconformityforuseinexplosionproofareas. Type FMV 01 04 - For moist control air in hazardous applications AsFM0104,butwithdrainvalveforcondensateremoval. Withdeclarationofconformityforuseinexplosionproofareas.

Fill:

inletairpressure max.1.4bar

figure A figure B

Empty: inletairepressure max.1.4bar)

control function Thestandardairconnectionconfigurationisshownhere(fig.A).Whenfilling,theoutputsignalisdecreasingproportionallytotherisinglevel. Thereversefunctionisobtainedbyturningtheswitchhousing180°C(seefig.B).Thiscanbeaccomplishedwithoutinterruptingtheprocess.


17www.besta.ch

ThemainfeatureoftheIndustrialRangeisthewidechoiceofflangemodules,manufacturedaccordingtointernationalstandardssuchasDIN,ANSI,BSorJIS.Availableinvarioussteelqualities,nominalsizesandpressureratings (e.g.uptoPN315acc.toDINorclass2500acc.toANSI).Shownhereareonlyafewtypicalcombinations,manymorepossibilitiescanbefoundinthemoduledescriptions.AlltypesintheStandardRangeshownonthepreviouspagescanofcoursealsobecombinedwithindustrialflanges.

The Industrial Range offers numerous flange combinations

Type A 22C 04 - For general purpose Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Operatingdifferential Rodextension Wetside material Flangematerial Seal part Compositeflange Housingmaterial Flange Flangefacing Switchelement Switchrating Enclosure Weight Type B 132R 07 - For intrinsically safe circuits and low density liquids Forcertifiedintrinsicallysafeinstallations,approvedforuseinhazardous areas(seealsopage43). Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Operatingdifferential Wetside material Flangematerial Seal part Compositeflange Housingmaterial Flange Flangefacing Switchelement Enclosure Weight

PN40 0to330°C 0to70°C min.0.7kg/dm³

fixed12mm seepage36 Stainlesssteel(CrNiMo) Stainlesssteel(CrNiMo) CarbonsteelHII,zincgalvanisedandpassivated Seawaterresistantdiecastaluminium DN65,PN40toDIN2501 RaisedfacetypeC,DIN2526 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.5.4kg ANSIcl.300lbs 0to330°C 0to70°C min.0.5kg/dm³

fixed12mm Stainlesssteel(CrNiMo) Stainlesssteel(CrNiMo) CarbonsteelHII,zincgalvanisedandpassivated Seawaterresistantdiecastaluminium DN3″,PNcl.300ANSIB16.5 Raisedface MicroswitchSPDTwithgoldplated contacts IP65 approx.8.6kg

Frequentlyusedonoff-shorerigs,insteamboilersandplants,powerstations,chemicalandpetrochemicalengineering,heatingandrefrigeration,i.e.airconditioningtechnology.


18

type ha 24e 02 - For high temperature Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Operatingdifferential Rodextension Wetside material Flangematerial Housingmaterial Flange Flangefacing Switchelement Switchrating Enclosure Weight Type 5TDI 22CF 041 - For low temperature and severe environmental conditions Completelyinstainlesssteelwithfixedflange.Forcertifiedintrinsicallysafeinstallations,approvedforuseinhazardousareas(seealsopage43). Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Operatingdifferential Wetside material Flangematerial Housingmaterial Flange Flangefacing Switchelement Nominalvoltage Operatingvoltage Currentoutput Proximityopen Proximityclosed Function ashighalarm as low alarm Forinversefunction Enclosure Weight

PN100 0to400°C 0to135°C min.0.7kg/dm³

fixed12mm seepage36 Stainlesssteel(CrNiMo) Sealpart:Stainlesssteel(CrNiMo) Compositeflange:CarbonsteelHII,zincgalvanisedandpassivated aluminium DN65,PN100toDIN2501 RaisedfacetypeE MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.9.6kg PN40-196°Cto270°C -10°Cto80°Cmin.0.7kg/dm³fixed12mmStainlesssteel(CrNiMo)Stainlesssteel(CrNiMo)Stainlesssteel(CrNiMo)DN65,PN40toDIN2501RaisedfacetypeC,DIN2526Inductiveproximityswitch acc.toNAMUR/EN502278.2VDC±5%5to25VDC

≥2.2mAfloatdown≤1mAfloatup atclosedcircuitatoperatingcircuitType5TDIN22CF041IP67approx.7.7kg


19www.besta.ch

Type A 301 99 - For general use in PP Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Operatingdifferential Rodextension Wetside material Flangematerial Housingmaterial Flange Flangefacing Switchelement Switchrating Enclosure Weight Type A 304 98 - For high temperature and corrosive applications in PTFE Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

Operatingdifferential Rodextension Wetside material Flangematerial Housingmaterial Flange Flangefacing Switchelement Switchrating Enclosure Weight

ThemainfeatureofthePlasticRangeisthatallwetsidematerialsareincor-rosionresistantplasticssuchasPP,PTFEorPVDF.Followingarefourtypicalexamples,butthesearebynomeansthelimitofpossiblecombinationswhichcanbespecifiedbyreferencetothemoduledescriptionsonpages21to35.

The Plastic Range for corrosive or high purity media

vacuum applications: Forvacuumdutyamodifiedsealingmustbeused,suffixtoflangecodeisE20,e.g.A301E2099.Thismustbespecifiedinthepurchaseorder.Thevacuumsealingunitiscapableofoperatingto0barabsolutepressure. Proven application areas: chemicalengi-neering,electroplating,foodindustry,etc.

PN10max.10barupto25°C

max.5barat45°C max.2.5barat60°C

0to60°C 0to60°C min.0.65kg/dm³

fixed12mm seepage36 PP Sealpart:PP Compositeflange:PVC Seawaterresistantdiecastaluminium DN80,PN10toDIN2501 RaisedfacetypeC,DIN2526 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.1.9kg PN10max.8barupto50°C PN10max.5barat100°C PN10 max.3barat200°C 0to200°C 0to70°C min.0.75kg/dm³

fixed12mm seepage36 PTFE Sealpart:PTFE25%GRP Compositeflange:CarbonsteelHII,zincgalvanisedandpassivated Seawaterresistantdiecastaluminium DN80,PN10toDIN2501 RaisedfacetypeC,DIN2526 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.5kg


20

Type A 501 97 - For vertical mounting in PP (for alarm or pump control) Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

OperatingdifferentialS Wetside material Flangematerial Housingmaterial Flange Flangefacing Switchelement Switchrating Enclosure Weight Type A 504 96 - PTFE wetside for highly corrosive liquids, vertical mounting (for alarm or pump control) Nominalpressure Operatingtemperature Ambienttemperature Densityofliquid

OperatingdifferentialS Wetside material Flangematerial Housingmaterial Flange Flangefacing Switchelement Switchrating Enclosure Weight

PN10max.10barupto25°C

max.5barat45°C max.2.5barat60°C

0to60°C 0to60°C min.0.5kg/dm³

12to1730mm PP Sealpart:PP Compositeflange:PVC Seawaterresistantdiecastaluminium DN125,PN10accordingtoDIN2501 RaisedfacetypeC,DIN2526 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.3.1kg PN10max.8barupto50°C PN10 max.6barupto100°C PN10max.3barupto200°C 0to200°C 0to70°C min.0.9kg/dm³

12to1700mm PTFE Sealpart:PTFEwith25%GRP Compositeflange:CarbonsteelHII,zincgalvanisedandpassivated Seawaterresistantdiecastaluminium DN125,PN10accordingtoDIN2501 RaisedfacetypeC,DIN2526 MicroswitchSPDTwithsilvercontacts 250VAC,5A30VDC,5A IP65 approx.7.7kg


21www.besta.ch

Theswitchmoduleisselectedaccordingtothetypeofcontrolrequired,switch-ingcapability,environmentalconditionsandtheworkingtemperatureinthevessel.Thekeyonpage22showshowthedesignationcodeisstructured.Thedetailsoftheswitchmodulesarelistedinthefollowingtables1to13. InaccordancewiththerelevantEU-directivesandwhereapplicable,TrimodBestalevelswitchesaremarked . Table1 Electrical/ElectronicBasicModules,IP65With1or2switches,galvanicallyisolatedandwithearthedencapsulation.EnclosuretypeIP65.Housinginseawaterresistantdiecastaluminium,withcableglandM20x1.5.

Switch modules

table 1


111412

111412

242221

111412

242221

-1114+12

-1114+12

-1114+12

-1114+12

-1114+12

+2422-21

-1114+12

+2422-21

111412

type Function Rating temperature in °coperating ambient

connection diagram

A SPDTMicroswitchwithsilvercontacts 250VAC,5A 30VDC,5A 0to+330 0to+70

AA DualSPDTMicroswitches,galvanicallyisolated, withsilvercontacts

250VAC,5A 30VDC,5A 0to+330 0to+70

B SPDTMicroswitch,goldplatedcontacts,for intrinsicallysafecircuits

SuitableforuseinapprovedEExicircuits 0to+330 0to+70

BB DualSPDTMicroswitches,galvanicallyisolated, withgoldplatedcontactsforintrinsicallysafecircuits.

SuitableforuseinapprovedEExicircuits 0to+330 0to+70

I

ProximityswitchaccordingtoNAMUR/EN50227, suitableforintrinsicallysafecircuits.Twowire currentloop:Floathighlevel:≤1mAFloatlowlevel:≥2.2mA

UN8.2VDC±5%(UB5to25VDC)

0to+150 0to+70

IN

ProximityswitchaccordingtoNAMUR/EN50227, suitableforintrinsicallysafecircuits.Twowire currentloop:Floathighlevel:≥2.2mAFloatlowlevel:≤1mA


0to+150 0to+70

IIDualproximityswitchesaccordingtoNAMUR/EN50227,suitableforintrinsicallysafecircuits. Galvanicallyisolated.CombinationofIandIN.


0to+150 0to+70

IE9

Selfcheckinghighlevelproximityswitchaccording toNAMUR/EN50227,TUVapproved,alsofor intrinsicallysafecircuits.Twowirecurrentloop:Floathighlevel:≤1mAFloatlowlevel:≥2.2mA


0to+150 0to+70

INE9

Selfcheckinglowlevelproximityswitchaccording toNAMUR/EN50227,TUVapproved,alsofor intrinsicallysafecircuits.Twowirecurrentloop:Floathighlevel:≤1mAFloatlowlevel:≥2.2mA


0to+150 0to+70

IIE9

Dualselfcheckinghigh/lowlevelproximityswitches accordingtoNAMUR/EN50227,TUVapproved, suitableforintrinsicallysafecircuits.Galvanically isolated.CombinationofIE9andINE9.


0to+150 0to+70

22

housing material coatings for enhanced requirements

Switchmodule(electric/electronic/pneumatic)

Increasedprotection(IP67/IP68)Highorlowtemperatureversion

Switchmodulehousingmaterialoption(chromated/completeinstainlesssteelCrNiMo)

CableglandotherthanM20x1.5

Key to type numbers

Switch module Flange module Float modulePrefix Basic Page27 Page32 module

thread for cable gland ThetypesinTables1,2,4and5are availableonrequestwithacableglandthreadotherthanM20x1.5.

chromated housing (RohS conform)

ThetypesinTables1,2,7and11arealsoavailablewithchromatizedhousing.Thedesignationprefixis2.ThetypesinTables3,4,5,9,and10arechromatizedasstandard. example: 2Da or X2B8

AllswitchmodulesinTables1to11arealsoavailableinstainlesssteel. Thedesignationprefixis5. example: 5Da or X5a8

MostswitchesareavailablewithEpoxycoating.Designationsuffix: E46 Epoxycoatinggrey E146 Epoxycoatingwhite example: Dae46

Stainless steel housing (crNiMo/316SS)

epoxy coated housing


Prefix cable gland10 Marineexecution(DIN89280),TypeW

30 Marineexecution(DIN89280),TypeZ

40 Internalthread3/4“NPT(withoutcablegland)

23www.besta.ch

table 5 Low operating temperature AllbasicmodulesinTable1arealso availableinalowtemperatureversionwithchromatizedhousingIP67.ThedesignationprefixisTD. AlldatainTable1,exceptfortemperatureratingandconnectiondiagram,remainunchanged.

table 2increased protection enclosure iP67 AllbasicmodulesinTable1arealsoavail-ableinIP67.ThedesignationprefixisD.AlldatainTable1,exceptforthetempera-tureratingremainunchanged.Forhightemperatures(operating-40°Cto+200°C,ambient-40°Cto+120°C),addE28,e.g.DAE28

table 3 Submersible version iP68 AllbasicmodulesinTable1arealsoavail-ableforsubmergedapplications(IP68)to100mdepthwithchromatizedhousing.ThedesignationprefixisU3,U5orU11.Thedesignation3,5and11specifiesstandardlengthsofencapsulatedcableinmeters(longercablesareavailable).AlldatainTable1,exceptfortemperaturerating,remainunchanged. Housing:chromated.

table 4 high operating temperature AllbasicmodulesinTable1arealsoavail-ableinahightemperatureversionwithchromatizedhousingIP65.Thedesigna-tionprefixisH.AlldatainTable1,exceptfortemperatureratingandconnectiondiagram,remainunchanged.

table 6 ex-Switches for intrinsically safe circuits (eex-i) ThelevelswitcheswithswitchmodulesoftypesI,IE9etc.aredesignedalsoforuseinhazardousareas.Technicaldetails,seepage43.example: ie98


type temperature in °c Operating Ambient

DA/DAA -30to+120 -30to+120DB/DBB -30to+120 -30to+120DI/DIN/DII -30to+120 -20to+90DIE9/DINE9/DIIE9 -30to+120 -30to+90

type temperature in °cOperating Ambient

U3A/U3AA -30to+80 -30to+80U3B/U3BB -30to+80 -30to+80U3I/U3IN/U3II -25to+80 -25to+80U3IE9/U3INE9/U3IIE9 -30to+80 -30to+80


HA/HAA 0to+400 0to+135HB/HBB 0to+400 0to+135HI/HIN/HII 0to+300 0to+75HIE9/HINE9/HIIE9 0to+300 0to+75


TDA/TDAA -196to+270 -10to+80TDB/TDBB -196to+270 -10to+80TDI/TDIN/TDII -196to+270 -10to+80TDIE9/TDINE9/TDIIE9 -196to+270 -10to+80

approvedtypes

Designation Stand-ards

test-/approval authority

Safety classification

Certificate of conformity No.

IandIE9 8 RL94/9/EG

PTB/LCIE EExiaIICT6...T2 PTB02 ATEX2198

IandIE9 5 IECExscheme

PTB/LCIE ExiaIICT6...T2 IECEx PTB07.0005

24

table 7 Hermetically sealed Ex-Switches for use in Zone 1, float: Zone 0Thetype«e»(increasedsafety)housingisequippedwith1or2EExd (flameproof)microswitches,galvanicallyisolatedwithearthedencapsulation.Enclosuretype:IP67 Housinginseawaterresistantdiecastaluminiumoroptionalstainlesssteel;prefix«5». Cableglandthread:M20x1.5(withoutcablegland)

table 8 Designation code and approval for hermetically sealed ex-Switches, type Z The designationnumberreferstotheCertificateofConformityandfollowsthemoduletype. example: ZK8

Switching rating: 250VAC,5A 30VDC,5A 125VDC,0.5A 250VDC,0.25A


type Function temperature in °cOperating Ambient (acc.toEN50014)

connection diagram

ZK. SPDTMicroswitchwithsilvercontacts -30to+145 -20to+40

ZKK. DualSPDTMicroswitches,galvanicallyisolated,withsilvercontacts -30to+145 -20to+40

ZR. SPSTMicroswitch/NCwithsilvercontacts -30to+145 -20to+40

ZRR. DualSPSTMicroswitches/2xNC,galvanicallyisolatedwithsilvercontacts -30to+145 -20to+40

ZS. SPSTMicroswitch/NOwithsilvercontacts -30to+145 -20to+40

ZSS. DualSPSTMicroswitches/2xNO,galvanicallyisolatedwithsilvercontacts -30to+145 -20to+40

ZRS. DualSPSTMicroswitches/1xNO,1xNC,galvanicallyisolatedwithsilvercontacts -30to+145 -20to+40

Designation Standard test-/ approvalauthority

Safety classification Certificate ofconformity No.

8 RL94/9/EG PTB/LCIE EExedIICT6bez.T5 PTB03ATEX10065 IECExscheme PTB/LCIE ExedIICT6bez.T5 IECExPTB07.0003

111412

111412

242221

11

12

11

122221

1114

11 24

2114

11 24

2112

25www.besta.ch

-1a

+2a3a

-1a

+2a3a

-3n

+2n-1n

table 9 high operating temperature AllbasicmodulesinTable7arealsoavailableinahightemperaturever-sionwithchromatizedhousingtoIP67.ThedesignationprefixisZHoroptionalstainlesssteel;prefixisZ5H. ConnectiondiagramseeTable7.

table 12Designation code and approval for flame proof switchesThedesignationnumberreferstotheCertificateofConformityandfollowsthemoduletype. example: Xa8.

table 10Low operating temperature AllbasicmodulesinTable7arealsoavailableinalowtemperatureversionwithchromatizedhousingtoIP67.ThedesignationprefixisZTDoroptionalstainlesssteel;prefixisZ5TD. ConnectiondiagramseeTable7.

table 11Flameproof switch modules Thefollowingswitchtypesarealsoavailablewithaflameproofenclosure. ThedesignationprefixisX. EnclosureTypeIP67. Submersibleversion(XU)IP68. Housingmaterial:seawaterresistantdiecastaluminium. Cableglandthread:M20x1.5 Switchrating:seepage44.

table 11a connection diagram


1a2a3a

1a2a3a

1n2n3n

Type

XA. etc.

XB. etc.

XAA. etc.

XBB. etc.

Type

XI.,XIN.

etc.

XII.,XIIE9.

etc.


ZHK./ZHKK. 0to+380 accord.toZHR./ZHRR. 0to+380 EN50014ZHS./ZHSS./ZHRS. 0to+380 -20to+40


ZTDK./ZTDKK. -196to+270 accord.toZTDR./ZTDRR. -196to+270 EN50014ZTDS./ZTDSS./ZTDRS. -196to+270 -20to+40

type Designation(seetable12)

temperature in °cOperating Ambient

XA/XAA 8* -40to+330

XU3A/XU3AA 8* -30to+80 accord.to

XB/XBB 8** -40to+330 EN50014XU3B/XU3BB 8** -30to+80 -20to+40XI/XIN/XII 8** -30to+150XIE9/XINE9/XIIE9 8** -30to+150

Notes:FlameproofTrimodBestalevelswitchesareapprovedforuseinZone1,float:Zone0.

neutral

neutral neutral

Designation Standard accord. to

test-/approvalauthority

Safetyclassification

Certificate ofconformity No.

8* RL94/9/EG PTB EExdeIICT6 PTB04ATEX10628** RL94/9/EG PTB EExiadIICT6 PTB04ATEX2049

Notes:FlameproofTrimodBestalevelswitchesareapprovedforuseinZone1,float:Zone0.

26

table 13Pneumatic modulesThepneumaticmodulesaredescribedindetailonpages14to16.Thehousingsareinseawaterresistantaluminium.Pressureconnections:G1/8″(BSPP)insidethread.

type Function P PneumaticswitchwithON/OFF 3/2wayvalve. Inputairpressure0to10bar PV PneumaticswitchwithON/OFF 3/2wayvalveanddrainvalvefor condensateremoval. Inputairpressure0to10bar FP PneumaticswitchwithON/OFF 3/2wayvalve,0to10barfunction checked,maybeusedinhazardous areas. FPV PneumaticswitchwithON/OFF 3/2wayvalve,0to10barfunction checked,maybeusedinhazardous areaswithdrainvalveforconden- sateremoval. M Pneumaticproportionalcontrol valve,inputairpressure1.4bar (max.10bar).Outputsignal0.2to 1bar(3-15psi). MV Pneumaticproportionalcontrol valveanddrainvalveforconden- sateremoval.Inputairpressure 1.4bar(max.10bar).Output signal0.2to1bar(3-15psi). FM Pneumaticproportionalcontrol valve,inputairpressure1.4bar (max.10bar).Outputsignal0.2to 1bar(3-15psi)functionchecked maybeusedinhazardousareas. FMV Pneumaticproportionalcontrol valveanddrainvalveforconden- sateremoval.Inputairpressure 1.4bar(max.10bar).Outputsignal 0.2to1bar(3-15psi)functionchecked, maybeusedinhazardousareas.

connectiondiagram

temperature in °c Operating +1to+250 +1to+250 +1to+250 +1to+250 +1to+250 +1to+250 +1to+250 +1to+250

Ambient +1to+80 +1to+80 +1to+80 +1to+80 +1to+80 +1to+80 +1to+80 +1to+80

chromated housing ThetypesinTable13arealsoavailablewithchroma-tizedhousing.Designationprefixis2. Example: 2P or F2M

Stainless steel housing AllswitchmodulesinTable13arealsoavailableinstainlesssteel.Theoperat-ingtemperaturerangeisincreasedto400°C.Designationprefixis5. Example: 5MV or F5MV


27www.besta.ch

Pressureequipmentdirective(PED) 97/23/EC: Forswitchesaccordingtodirective97/23/ECadd the letter «P»afterflangename,e.g. A01P041

Theflangemoduleisselectedaccordingtotherequiredflangestandard,nominalpressurerating(PN),nominalsize(DN),typeofgasket,propertiesofthemediumandflangematerial.AbasicdistinctionismadebetweenflangemodulesfortheStandardRange,theIndustrialRangeandthePlasticRange.Theflangemodulesmaybeinstalledeitherhorizontallyorvertically.

Flange modules

Type Standard flange 01 Square flange incl. gasket Material 1.4408 Nominalpressure PN25,max.25barupto300°C Flangefacing Raisedface Temperaturerange -196to300°C Counterflange seepage38 011 Round flange incl. gasket Material 1.4571 Nominalpressure PN25,max.25barupto300°C max.23barat400°C Flangefacing Raisedface Temperaturerange -196to400°C Counterflange seepage38

Type Special flanges 03 Round flange incl. gasket Material 1.4571 Nominalpressure PN25,max.25barupto300°C max.23barat400°C Flangefacing Raisedface Temperaturerange -196to400°C 04 Round flange incl. gasket Material 1.4571 Nominalpressure PN25,max.25barupto300°C max.23barat400°C Flangefacing Raisedface Temperaturerange -196to400°C 06 Round flange incl. gasket Material 1.4571 Nominalpressure PN25,max.25barupto300°C max.23barat400°C Flangefacing Raisedface Temperaturerange -196to400°C

table 14Flange modules for the Standard Range


28

Flange modules for the Industrial Range according to DiN, aNSi, BS, JiS Foreconomicreasons,theflangemodulesoftheIndustrialRangearemanu-facturedintwodifferentexecutions.Thefixedflangeforthemostdemandingrequirementsinrespectoftemperaturerangeandcorrosionresistanceandthecompositeflangeforbesteconomy.

Otherbracketlengththan68mm,and/orfixedflangeexecutionand/orother

materials,and/orPEDconformity

Flangefacing

Nominalpressure(PN)

Nominalbore(DN)

Standard(ForDINwithoutcode)

important note: EnsurethatnozzlelengthLanddiameter providesufficientclearanceforfloatmovement. (Seetable26,page35.)

Key to type numbers

Switch module Page21

Float module Page32

Flange module Table14-16

(Table15)

Fixed flange Temperaturerange Material Options Composite flange Temperaturerange MaterialsSealingunit: Counterflange: Options Sealingunit: Counterflange:

-196to+400°C 1.4571 1.4435(316L),HastelloyC Ifafixedflangeisrequiredpleaseconsultustoselectthecorrecttypenumber. Typedesignationseetable15. -10to+400°C(DIN) -29to+400°C(ANSI) 1.4571(316Ti) CarbonsteelHIIzincgalvanizedandpassivated 1.4435(316L),HastelloyC Typedesignationseetable15. 13CrMo44(hightemp.steel) A350-LF2(lowtemp.steel)

Fixedflange:1.4571

Sealingunit:1.4571Compositeflange:CarbonsteelHIIzincgalvanisedandpassivated


29www.besta.ch

table 15Type of flange module according to DIN 2501

Suffixforflangefacings:

RaisedfacetypeC DIN2526:C PN16to40

RaisedfacetypeE DIN2526:E PN63to315

Male DIN2513:V PN16to100

Groove DIN2512:N PN16to160

Grooveformetaljoint DIN2696:L PN63to315

example: DIN-flangemodule,DN65,PN40,male:22v


Largeraisedface:

Male:

Tongue:

Groove:

example: JIS-FlangemoduleDN80A,PN30K,groove:332g


Raisedface:

Smallmale:

Smalltongue:

Smallgroove:

Ringjoint:

example:ANSI-Flangemodule4″,cl.900,smallgroove:145g

Flangefacing:Raisedface

example: BS-Flangemodule4″,TableK:243 R

R

M

T

G

J

R

M

T

G

www.besta.ch

Type of flange module according to JIS B 2220

Type of flange module according to ANSI B16.5

Type of flange module according to BS 10


PN 16 PN 40 PN 63 PN 100 PN 160 PN 250 PN 315DN 65 21. 22. 23. 24. 25. - 27.DN 80 31. 32. 33. 34. 35. 36. 37.DN 100 41. 42. 43. 44. 45. 46. 47.DN 125 51. 52. 53. 54. - - -DN 150 61. 62. 63. 64. - - -

cl. 150 cl. 300 cl. 400 cl. 600 cl. 900 cl. 1500 cl. 2500DN 3″ 131. 132. - 134. 135. 136. 137.DN 4″ 141. 142. 143. 144. 145. 146. 147JDN 5″ 151. 152. 153. 154. - - -DN 6″ 161. 162. 163. 164. - - -

tbl. e Tbl. F tbl. h tbl. K tbl. R tbl. S tbl. tDN 3″ 230R 231R 232R 233R 234R 235R 236RDN 4″ 240R 241R 242R 243R 244R 245R 246RDN 5″ 250R 251R 252R 253R 254R - -DN 6″ 260R 261R 262R 263R 264R - -

5K 10K 16K 20K 30K 40K 63KDN 65 329. 320. 328. 321. 322. 323. 324.DN 80 339. 330. 338. 331. 332. 333. 334.DN 100 - 340. - 341. 352. 343. 344.DN 125 - 350. - 351. 352. 353. 354.

30

cl.600

PN 100

cl.400

PN 64

PN 40

0 50

10

20

30

40

50

60

70

80

90

100

100 150 200 250 300 350

cl.300

cl.150

400°C

PN 25

PN 16

-200 -150

1

2

3

4

5

6

7

8

9

10

bar

bar

-100 -50 0 50 100 150

PTFE

200°C

PVC

PP

PVDF*

Plastics

Pressure / temperature relationship *ThePVDFcurvereferstofloattype95(Table22,page34).ItcanreplacethePTFEfloattype98whencombinedwithaPTFEsealingunit. Minimumdensitywiththiscombinationis0.55kg/dm³.

Pressure / temperature relationship acc. to DiN eN 1333 & aNSi B16.5

Onlycarbonsteelisshownupto PN100/Class600.ForhighernominalpressureratingsuptoPN315/cl.2500andforothermateri-als,suchasheatresistantorstainlesssteels,pleaseconsultthecorrespondingstandards.

DINEN1333HIIANSIB16.5MatGr.1


31www.besta.ch

Flange modules for the Plastic Range acc. to DIN, ANSI, BS, JIS Wettedparts PP(Polypropylene)orPTFE SealingunitinPTFEwith25%GRP Option:sealingunitandpivotpininVirgin-PTFE. Suffix:E104 Compositeflange PVC(forDINonly)orHII(carbonsteel),zincgalvanised, andpassivated Option:stainlesssteelforlowtemp.application Flangefacing Raisedface Temperaturerange PPVersion: withPVCcompositeflange 0to60°C withHIIcompositeflange 0to100°C PTFEVersion: withPVCcompositeflange 0to60°C withHIIcompositeflange -10to200°C withstainlesssteel -196to200°C compositeflange Pressurerange max.10bar Vacuumduty Thevacuumsealingunitiscapableofoperatingto0bar

absolutepressure,butthisrequirementmustbespecifiedinthepurchaseorder. SuffixPTFEversion: E19(e.g.302E19) SuffixPPversion: E20(e.g.301E20)

CompositeflangePVCorCarbonsteelHIIOption:stainlesssteel1.4571

SealingunitPP or PTFEOption:purePTFE

table 16Type of flange module according to DiN 2501 PN 10

Type of flange module according to aNSi B 16.5 cl. 150 lbs.

Type of flange module according to JiS B 2220 PN 10K

Type of flange module according to BS 10 table e


Material DN 80 DN 100 DN 125 DN 150PVC/PP 301 401 501 601PVC/PTFE 302 402 502 602HII/PP 303 403 503 603HII/PTFE 304 404 504 604

Material DN 3″ DN 4″ DN 5″ DN 6″HII/PP 2303 2403 2503 2603HII/PTFE 2304 2404 2504 2604

Material DN 80 DN 100 DN 125 DN 150HII/PP 3303 3403 3503 3603

HII/PTFE 3304 3404 3504 3604

Material DN 3″ DN 4″ DN 5″ DN 6″HII/PP 1313 1413 1513 1613HII/PTFE 1314 1414 1514 1614

32

Thefloatmoduleshouldbeselectedaccordingtothefollowingparameters: 1.Function(alarmorcontrol) 2.Minimumliquiddensity 3.Operatingpressure 4.Operatingtemperature 5.Wetsidematerial 6.Solidscontent 7.Mountinghorizontally,verticallyorinchamber8.ForEx-ornonEx-applications9.Liquids

ThemostcommonlyusedfloatmodulesarelistedinTables17to24.Thechoiceofmodulesis,however,muchgreater.Ifyoudonotfindthefloatyourequire,pleaseaskus. MostfloatmodulesarealsoavailableinHastelloyC.Thetypenumberchangese.g.from04to404etc.Forexacttypespecificationpleaseask. NACE:stainlesssteel-andHastelloy-floatsarealsoavailableacc.toNACEStandard.

table 17 Float modules with a 12 mm fixed differential Float material: 1.4571 (SS316Ti equiv.)

Float

Rodextension

Rodextensionseepage36

Float modules

Key to type numbers

Switch module Page21

Float module Tables17-30

Flange module Page27

overalllength

bracketlenghtcounterweight

switchdiffe

-rential

floattravel


type Floatdimensions(mm) ø a x b

Bracketlength(mm)

overalllength(mm)

Floattravel(mm)

counter-weight

up to nominal pressure PN Min.density(kg/dm³)

approvedfor hazardousareas

Rodextension(page 36)DIN

barANSIcl.

BSTable

JISbar

01 64x110 68 194 104 - 40 300 H 30 0.8 x G1,G2,G304 64x142 68 226 117 - 40 300 H 30 0.7 x G1,G2,G3041 64x142 68 226 117 - 40 300 H 30 0.7 x -07 64x142 68 226 117 x 40 300 H 30 0.5 x G1,G276 64x200 102 316 114 x 63 400 K 40 0.4 x G1,G202 64x142 68 224 117 x 100 600 R 63 0.7 x G1,G226 64x200 102 316 114 x 100 600 K 63 0.35 x G1,G227 64x142 102 321 115 x 100 600 R 63 0.5 x G1,G203 64x142 102 258 98 x 250 1500 T 63 0.75 x G1,G2031 64x142 142 431 115 x 250 1500 T 63 0.7 x G1,G2032 64x142 142 421 112 x 250 1500 T 63 0.5 x G1,G2

33www.besta.ch

table 18 Float modules with protective bellows and fixed operating differential 12 mm, float material: 1.4571 (SS316Ti equiv.)

table 20 Float modules for interface applications, horizontal mounting, float material: 1.4571 (SS316Ti equiv.)

table 19 Float modules with adjustable differential for dual point control, float material: 1.4571 (SS316Ti equiv.)



Bracketlength(mm)

overalllength(mm)

Floattravel(mm)

counter-weight


approved for hazar-dous areas

Rodextension(page 36)

BellowsmaterialDIN

barANSIcl.

BSTable

JISbar

011 64x110 68 221 115 - 40 300 H 30 0.8 x G1,G2,G3 Perbunan

012 64x110 68 221 115 - 40 300 H 30 0.7 - G1,G2,G3 Silicon

013 64x110 68 221 115 - 40 300 H 30 0.7 - G1,G2,G3 FPM

051 64x142 68 253 129 - 40 300 H 30 0.5 x G1,G2,G3 Perbunan

052 64x142 68 253 129 - 40 300 H 30 0.4 - G1,G2,G3 Silicon

053 64x142 68 253 129 - 40 300 H 30 0.7 - G1,G2,G3 FPM

054 64x142 68 253 129 - 40 300 H 30 0.35 - G1,G2 PTFE

071 64x142 68 253 129 x 40 300 H 30 0.5 x G1,G2 Perbunan

072 64x142 68 253 129 x 40 300 H 30 0.75 - G1,G2 Silicon

073 64x142 68 253 129 x 40 300 H 30 0.7 - G1,G2 FPM

074 64x142 68 253 129 x 40 300 H 30 0.5 - G1,G2 PTFE

761 64x200 102 345 121 x 63 400 K 40 0.45 x G1,G2 Perbunan

762 64x200 102 345 121 x 63 400 K 40 0.45 - G1,G2 Silicon

763 64x200 102 345 121 x 63 400 K 40 0.45 - G1,G2 FPM

764 64x200 102 345 121 x 63 400 K 40 0.45 - G1,G2 PTFEPerbunan=Buna(NBR)

type Float dimensions (mm) ø a x b

Bracketlength(mm)

overalllength(mm)

Float travel(mm)

operating differential (mm)

counter-weight


approved for hazardous areas

Remarks

DINbar

ANSIcl.

BSTable

JIS bar

090 64x142 68 278 160to350 37to218 - 40 300 H 30 0.8 xsw

itching

differentialsee

page12

091 64x142 68 361 202to476 56to317 - 40 300 H 30 0.75 x092 64x142 68 461 254to630 83to442 - 40 300 H 30 0.75 x093 64x142 68 561 307to790 97to557 - 40 300 H 30 0.75 x095 64x110 68 246 148to294 34to190 - 40 400 K 40 0.9 x


Bracket length(mm)

overalllength(mm)

Floattravel(mm)

counter-weight


approvedfor hazar-dous areas

Min.densitydifference

Rodextension(mm)DIN

barANSIcl.

BSTable

JISbar

08T1 64x142 68 509 236 - 40 300 H 30 0.75 x 0.1 300409 194 - 40 300 H 30 0.75 x 0.14 200309 152 - 40 300 H 30 0.8 x 0.22 100

28T1 64x142 102 541 174 x 100 600 R 63 0.8 x 0.16 300441 147 x 100 600 R 63 0.72 x 0.22 200341 120 x 100 600 R 63 0.6 x 0.37 100

34

table 21Float modules with bellows for interface application, horizontal mounting, float material: 1.4571 (SS316Ti equiv.)

table 22Plastic float modules with fixed operating differential 12 mm

Foralarmorpumpcontrol,seepage13. Mountinginformationpage13.

table 23Float modules for vertical mountingFloat material: 1.4571 (SS316Ti equiv.)



Bracketlength(mm)

overalllength(mm)

Floattravel(mm)

counter-weight


approvedfor hazar-dous areas

Min.densitydifference

Rodlength(mm)

Bellowsmaterial

DINbar

ANSIcl.

BSTable

JISbar

081T1 64x142 68 536 248 - 40 300 H 30 0.8 x 0.1 300 Perbunan

436 206 - 40 300 H 30 0.8 x 0.13 200 Perbunan

336 163 - 40 300 H 30 0.9 x 0.19 100 Perbunan082T1 64x142 68 536 248 - 40 300 H 30 0.8 - 0.1 300 Silicon

436 206 - 40 300 H 30 0.8 - 0.13 200 Silicon

336 163 - 40 300 H 30 0.9 - 0.19 100 Silicon083T1 64x142 68 536 248 - 40 300 H 30 0.8 - 0.1 300 FPM

436 206 - 40 300 H 30 0.8 - 0.13 200 FPM

336 163 - 40 300 H 30 0.9 - 0.19 100 FPM084T1 64x142 68 536 248 - 40 300 H 30 0.8 - 0.1 300 PTFE

436 206 - 40 300 H 30 0.8 - 0.13 200 PTFE

336 163 - 40 300 H 30 0.9 - 0.19 100 PTFEPerbunan=Buna(NBR)


Bracketlength(mm)

overalllength(mm)

Floattravel(mm)

counter-weight


Material Rod extension(page 36)

DINbar

ANSIcl.

BSTable

JIS bar

95 63 x 150 68 240 131 - 6 150a) E 10 0.55 PVDF V1, V2, V3

98 64 x 150 68 240 132 - 10 150b) E 10 0.75 PTFE P1, V1, V2, V3

99 63 x 120 68 205 118 - 10 150b) E 10 0.65 PP K1, K2, K3a)Max.operatingpressure6barb)Max.operatingpressure8bar


Bracketlength(mm)

overalllength(mm)

Floattravel(mm)

counter-weight

up to nominal pressure PN Min.d)density (kg/dm³)

approvedfor hazard-ous areasDIN

barANSIcl.

BSTable

JISbar

140 120 68 1582 12to1340 x 16 150c) E 10 0.45 -141 120 68 3082 12to2840 x 16 150c) E 10 0.45 -145 120x164 68 1582 12to1300 x 25 150 F 10 0.45 x146 120x164 68 3082 12to2800 x 25 150 F 10 0.45 xc)Max.operatingpressure16bard)Minimumdensityforpumpcontrol0.45kg/dm³,foralarm0.3kg/dm³

35www.besta.ch

table 26 Maximum length of connection flange, L Toallowsufficientfloatclearanceamaximumlength«L»forthe connectionflangeisshowninthefollowingtableaccordingtothetypeoffloatmoduleandthenominalflangesize (dimensionsinmm).

table 25Maximumoperatingtemperatureforfloatmodules

table 24 Plastic float modules for vertical mounting Foralarmorpumpcontrol,iffloatmodulecannotbemountedfrominsideuseaflangemoduleofatleastDN125or5″.


type Float dimensi-ons (mm)ø a x b

Bracket length (mm)

overalllength(mm)

operatingdifferential(mm)

counter-weight


Material

DINbar

ANSIcl.

BSTable

JISbar

96 108x130 68 2000 12to1700 - 10 150* E* 10* 0.9 PTFE97 110x100 68 2000 12to1730 - 10 150* E* 10* 0.5 PP*Max.operatingpressure=10bar

Float material temperaturerange in °c

Stainlesssteel1.4571 -196to+400PolypropylenePP 0 to+100PolytetrafluorethylenePTFE -200to+200PolyvinylidenfluoridPVDF -40 to+140Polyamid-coatedCrNiMofloats -50 to+80Halar-coatedCrNiMofloats -60 to+150

Bellow material temperaturerange in °c

Perbunan/Buna(NBR) 0 to+120Silicon -40 to+200FPM +10 to+200PolytetrafluorethylenePTFE -200to+250

Note: Whenselectingafloatmodulealsoconsiderthetem-peratureratingoftheswitch-andflangemodule.

Nominal bore (flange)

Float module type01 011

to 013

04 and 041

051 to

053

054 090 091 092 093 095 07 076 02

DN65accord.toDIN2501 80 105 80 105 70 70 70 70 70 70 80 110 80DN80accord.toDIN2501 90 110 90 110 110 90 90 90 90 90 90 140 90DN100accord.toDIN2501 140 140 140 140 90 100 100 100 90 140 220 140DN125accord.toDIN2501 90 110 110 110 90 DN150accord.toDIN2501 90 120 120 120 90 3″accord.toANSIB16.5 90 110 90 110 110 90 90 90 90 90 90 140 904″accord.toANSIB16.5 140 140 140 140 140 90 100 100 100 90 140 220 1405″accord.toANSIB16.5 190 190 90 110 110 110 90 6″accord.toANSIB16.5 90 120 120 120 90 Minimumborediameterforabovelistedfloatmodules:ø65mm.

36

Rod extensions Wherethefloatpivotneedstobeprotectedfromcontaminatedmediaortoprovideanincreasedswitchingdifferentialthefloatcanbeequippedwitharodextension.

table 27type of rod extensions(Dimensionsinmm)

table 30Minimum density for float module 04G3 (kg/dm³)

Sincerodextensionsadd-onweighttothefloat,theminimumvalueforthedensitywillchangeaccordingtothefollowingtables.Tables28to30listtheminimumdensitiesforfloatmodule04withextensionsG1,G2andG3only.Forotherfloatmodulesandrodextensionswithotherdimensionsormaterials,pleaseconsultthefactory.

table 28 Minimum density for float module 04G1

table 29 Minimum density for float module 04G2 (kg/dm³)


Rod extensionmaterial

to matchfloat modules

Stainlesssteel (CrNiMo)

Stainlesssteel (CrNiMo)

Type:G1 Amax: 1000 Type:G2A+Bmax: 1000 A/B: 4 Amin: 100 Bmin: 100

*Type:G3A+Bmax: 1000 A/B: 4 Amin: 50 Bmin: 50

PP PP Type:K1 Amin: 100 Amax: 1000

Type:K2 A+Bmax: 1000 Amin: 100 Bmin: 200

Type:K3 A+Bmax: 1000 A/B: 3 Amin: 100 Bmin: 100

PVDF PVDForPTFE Type:V1 Amin: 100 Amax: 1000

Type:V2 A+Bmax: 1000 Amin: 100 Bmin: 200

Type:V3 A+Bmax: 1000 A/B: 4 Amin: 100 Bmin: 100

PTFE PTFE Type:P1 Amin: 100 Amax: 300

--

--

*RodextensiontypeG3isavailablewith90°or135°angle.

RodlengthA(mm) 100 200 300 400 500 600 700 800 900 1000

Min.density(kg/dm) 0.66 0.66 0.67 0.69 0.71 0.74 0.76 0.79 0.81 0.84

a (mm) 100 200 300 400 500 600 700 800

B (mm)100 0.69 0.68 0.70 0.71 0.72 0.74 0.75 -200 0.67 0.67 0.68 0.69 0.70 0.71 0.72 0.73300 0.68 0.69 0.69 0.70 0.71 0.71 0.72400 0.70 0.70 0.71 0.71 0.72 0.73500 0.72 0.73 0.73 0.73 0.74600 0.74 0.75 0.75 0.75700 0.77 0.77 0.77800 0.79 0.80900 0.82

a (mm) 50-500 600 700 800

B (mm)50 0.71 - - -

100 0.69 - - -200 0.68 0.68 0.68 0.68300 0.69 0.69 0.69400 0.71 0.71500 0.73600 0.75700 0.77800 0.80900 0.82950 0.83

37www.besta.ch

IfyouhaveaspecialrequirementforaTrimodBestalevelswitch,pleasesendusacompletedcopyofthisspecifica-tionsheettogetherwithanyrelevantdrawingetc.andwewillrespondwithaquotation.

Liquid

Densitykg/dm3

Operatingpressurebar

application

Highalarm

Low alarm

2-pointcontrol

Interfaceapplication

Regulating(pneumatic)

Sidemounted

Topmounted

Infloatchamber(by-pass)

Switch module type

Contacttype

Approvalclassification

Cablegland

Enclosurematerial

Enclosurerating

Remarks

Flange module type

Flangetype

Sizeandrating

Wetted parts material

Compositeflangematerial

Remarks

Float module type

Material

Differential

Bellows

Remarks

options

Floatrodextension

Counterflanges

Testactuators

Testcertificates

TagNo.

SPDT

Silver

EExedIICT6

M20x1.5

Diecastaluminium

IP65

Squareflange92x92

ANSI

CrNiMo

Carbonsteelzincgalvanizedandpassivated

CrNiMo

Fixed12mm

Perbunan(NBR)

G1

Carbonsteel

CrNiMo/FPM

T-100(2.2)

(hermeticallysealed)

Pneumaticelectric

I

IN

EExicircuits

IP68,cablelength

electronic

IE9

INE9

On/Off

proportional

EExdeIICT6

flameproof

type of mounting

2xSPDT

Goldplated

IP67

DIN

HastelloyC

DN

PP PTFE

PN Sealtype

Other

Other

HastelloyC

Silicon

G2

T-101(3.1)

PP

FPM

G3

CrNiMo

CrNiMo/EPDM

T-110

PTFE

PTFE

PVDF

Dim.A mmDim.B mm

T-130T-121

Operating/ambienttemperature°C/°C

Tankmaterial

Tankmeasurement

Variablebetween

FixedFlange CompositeFlange

Specification sheet

StainlesssteelDiecastaluminium,chromated


38

Accessories Counterflanges ThesimplestmethodofinstallinganyTrimodBestalevelswitchoftheStan-dardRangeistouseourstandardweld-oncounterflanges.Table31showsthetwodifferentlengthsofcounterflangesandstudextensionsavailableinC22.8carbonsteelor1.4401stainlesssteel.PleasenotethatwiththefloatmodulesinTable23onpage34,onlytheshortcounterflanges(v=38mm)canbeused. Thestandardcounterflangeisshapedtoallowthefollowingthreeoptionsofwelding. - Buttweldingonthewallofthetankwithaholediameterinthetankof65mm.Theweldingseamisatthefrontfaceoftheflangeend.

-Weldinginaclearanceholeof76.1mminthewallofthetank.Theweldingseamisaroundthemachinedcylindricalsurfaceoftheflangeend.

-Buttweldingontoa75x5mmtubeatthefrontface.Inthiscase(idealforthicktankinsulation),lengthsuptoVmax.=150mmarepossible.However,toassurefreefloatmovement,arodextensionG1ofatleast100mmisrequired.

Temperaturerange: MaterialC22.8: -10to+300°C Material1.4401: -196to+400°C

Frontface

Type Specification Flange Stud material material 2829.1 Counterflange C22.8 5.8 2831.3 1.4401 A2 2829.2 Counterflangewith C22.8 5.8 2831.4 extendedstudsto 1.4401 A2 accommodate a testactuatorunit 2829.1V80 Extendedcounterflange C22.8 5.8 2831.3V80 (e.g.thicktankinsulation) 1.4401 A2 2829.2V80 Extendedcounterflange C22.8 5.8 2831.4V80 withextendedstudsto 1.4401 A2 accommodate a test actuatorunit(e.g.forthick flangeinsulation)

table 31


39www.besta.ch

test actuators Thetestactuatorallowsaperiodicmanualfunctioncheckofthelevelswitchinoperatingstatus.Thefollowingfunctionscanbetested(seealsoTable33): - Functionoftheswitchingelement(microswitch,proximityswitch,pneumaticvalve).

- Movementofthefloat TestactuatorscanbeusedwithallhorizontalmountedTrimodBestalevelswitchesoftheStandardRange(squareflange).Likethelevelswitches,theyaredesignedforoperatingpressuresof-1to25bar.Thetestactuatorismountedbetweentheflangeofthelevelswitchandthecounterflangeonthetank,orfloatchamber.Forcombinationwithbellowspleaseinquirewithfactory.

table 33

table 32

Testactuator

O-ring

Flangegasket


type Specifications Material gasket material

temperaturerange in °c

Pressurerange in bar

2382 Testactuator CrNiMo FPM 0to+150 -1to252383 Testactuator CrNiMo EPDM -30to+150 -1to25Testactuatorsaresuppliedwithflatgaskets.

applications use as high (ha)or low (La) alarm

Mounting position

Checkingswitchfunctionandfloat movementunderoperatingconditions (OP=-1to25bar)

HA

LA

40

Float chambers Whereveritisnotpossibleordesirabletoinstallfloatswitchesdirectlyontoavessel,horizontalTrimodBestalevelswitchescanbemountedexternallyinafloatchamber.Thistypeofinstal-lationallowsfunctionalchecksandservicingtobecarriedoutwithoutinterruptingoperation,providedthatisolationanddrainvalvesareincludedintheprocessconnections.

Floatchambersmaybedividedinto2groups.

Standard chambers PN 25Invarioussteelqualitiesandconfigurationswithprocessconnectionacc.toDINorANSI.

ForusewiththeTrimodBestalevelswitchesfromthestandardrangewith:Squareflange type:01orRoundflange type:011

industrial chambers up to PN 315 acc. to DiN or cl. 2500 acc. to aNSi

Invarioussteelqualitiesandconfigurationswithswitch-andprocessconnectionsacc.toDINorANSI.

ForusewiththeTrimodBestalevelswitchesfromtheindustrialrangewithDIN-flangesDN65orANSI-flangesDN3”.


41www.besta.ch

c D

e F

g h

B

C D

E F

G H

a B

A

Types AccordingtofiguresAtoHProcessconnections DN25,50inaccordancewithDIN DN1″,2″inaccordancewithANSIMaterial Carbonsteel Hightemperaturesteel CrNi steel CrNiMo steelFlangefacingof inaccordancewithDIN2526andANSIB16.5processconnectionsOptions Specialdimensions Ventanddrainconnection Longstudsformountingatestactuator Floatchambersforlowtemperatureapplications Floatchamberswithmax.hardnessofHRC22in accordancewithNACE

table 34 Standard chambers PN 25

table 35 industrial chambers PN 40 to 100 and aNSi cl. 150 to 600

Types AccordingtofiguresAtoHProcessconnections DN25,50inaccordancewithDIN DN1″,2″inaccordancewithANSIMaterial Carbonsteel Hightemperaturesteel CrNi steel CrNiMo steelFlangefacingof inaccordancewithDIN2526andANSIB16.5processconnectionsOptions Specialdimensions Ventanddrainconnection ChambersuptoPN315inaccordancewithDIN, cl.2500inaccordancewithANSI Floatchambersforlowtemperatureapplications Floatchamberswithmax.hardnessofHRC22in accordancewithNACE


42

For float chambers in Tables 34 and 35, the following options, tests and documentation are available: TestreportinaccordancewithEN10204-2.2

InspectioncertificateinaccordancewithEN10204-3.1 Nondestructivetestingsuchasultrasonic,X-ray,dyepenetrantor magneticparticleexamination Materialtestingincludingcharpy,tensileandhardness Design-examinationforPEDinaccordancewith97/23/EC Coatings

Procedure Qualification Record: AD2000-HP2/1

approved welders in accordance with: AD2000HP3 approval for material transfer stamping in accordance with: SVTI201/507


43www.besta.ch

Flameproof Trimod Besta Level Switches FlameproofTrimodBestalevelswitchesaredesignedinaccordancewithENstandardsandaretestedandapprovedbyPTB. Protectionclassifications: EExdeIICT6forswitchmodulesXA.etc. EExiadIICT6forswitchmodulesXB.,XI.,XIE9.etc Detailsseepage25. hermetically sealed trimod Besta Level Switches Theseswitchesareavailableintwoversions. Protectionclassifications: EExedIICT6...T5 forswitchmodules Z..8,ZH..8,ZTD..8etc. ExedIICT6...T5 forswitchmodules Z..5,ZH..5,ZTD..5etc. Detailsseepage24. trimod Besta Level Switches for use in intrinsically safe installations Levelswitcheswithgoldplatedcontacts(typerangeB)orwithproximityswitchesacc.toNAMUR(typerangeI,IE9etc.)areforconnectiontointrin-sicallysafecircuitsandapproved,dependingonnationalregulations,forZone1orZone0(float). Protectionclassifications: EExiaIICT6..T2 forswitchmodulesI..8,IE9..8etc. ExiaIICT6..T2 forswitchmodulesI..5,IE9..5etc. Fortypedesignationsanddetailsseepages21and23. Pneumatic trimod Besta Level Switches and Level controllers PneumaticlevelswitchesofthetyperangesFPandFMareapprovedforinstal-lationinZone1. Fortypedesignationsseepage26. Mode of installation AllTrimodBestalevelswitchesoftheEx-proofrangemaybesideortopmounted.

Trimod Besta Level Switchesin hazardous areasForlevelmonitoringinhazardousareas,thefollowingTrimodBestalevelswitchesareavailable:

Flameproofversion

Hermeticallysealedversion

Forintrinsicallysafeinstallation

Pneumaticversion

PTB04ATEX1062 PTB04ATEX2049

PTB03ATEX1006

IECExPTB07.003

PTB02ATEX2198 IECExPTB07.0005


44

Additionalinformationtotheswitchmoduledescriptionsonpages21to26. Microswitches of the switch module range type a Themanufacturersdata(Burgess)isshowninTable37.However,theseswitcheshavebeentestedbyEStl(SwissFederalInspectorateforHighCur-rent),asfollows: ()inductiveloads: TypeA: 250VDC,0.5(0.15)A 250VAC,5A TypeAE26: 440VDC,0.3A 380VAC,5(1)A Microswitches of the switch module range type Xa Electricaldataacc.toPTBcertificate: TypeXA: 250VDC,max.0.25A 250VAC,max.5A Microswitches of the switch module range type B Thesilvercontactsofthesemicroswitchesaregoldplatedandintendedforuseinintrinsicallysafecircuits.Thoughthemax.ratingcanbeasperTable37,pleasebeaware,thatthegoldplatingwillbepermanentlydamagedwhenusedforvaluesgreaterthanapplicableforintrinsicallysafecircuits. Microswitches of the switch module range type XB max.16VDC,max.25mA,max.64mW Li50µH,Ci45nF Microswitches of the switch module range type Z 250VDC,0.25A250VAC,5A 125VDC,0.5A 30VDC,5A

table 36

Onlyapproximatevaluescanbegivenfortheallowablechargeofgoldcontacts.Thesemustbereducedunderunfavourableimpedanceconditions.Theproductofcurrentandvoltageshouldnotexceed0.12VA.Thecurrentshouldmoveat400mAandvoltageat30V.Foralternatingcurrentsthesevaluesmustbeinterpretedasmaximumvalues.

Micro- and proximity switches


tungsten Lamp Load

voltagev

Resistive Load a

Nca

Noa

inductive Load a

ACto250 5 0.5 0.5 5DCto30 5 1.5 1.0 5DCto50 3 0.8 0.8 2.5DCto75 1 0.6 0.6 0.5DCto125 0.5 0.5 0.5 0.07DCto250 0.25 0.25 0.25 0.03

45www.besta.ch

Electricaldataofinductiveproximityswitches NominalvoltageUN 8.2VDC±5% OperatingvoltageUB 5to25VDC Currentconsumption sensoruncovered ≥2.2mA sensorcovered 1mA Controlline:resistance 50Ω

inductive proximity switches acc. to NaMuR eN 50227 TheswitchmodulesofthetyperangesIandIE9areespeciallysuitableforapplicationsinhazardousareas*.Theswitchingelement,aninductiveproximitysensor(Pepperl+Fuchs)containsonlytheoscillator.Thesignalisprocessedbyaremotemountedrelayamplifierunitasshownintheconnectiondiagram.*(ATEX/IECEx) connection diagram Special self checking failsafe features Iftheswitchisconnectedformaximumcurrent/voltageinthenonalarmstatethecircuitcanbemonitoredconstantlyforlineand/orinstrumentfailuretoiniti-ateoperationofasafetyshutdown. ThesensorcircuitoftheswitchmodulesIE9,INE9,andIIE9,arealsoselfcheckingandapprovedforsafetycircuits(TÜVtested).Withthesesensors,automaticswitchingtothealarmstateintheeventofcomponentfailureisguaranteed.Whenspecifyingasafetycircuit,approvedamplifiersandtransistorrelaysmustbeincorporated. ForuseinhazardousareasthefollowingdatashouldbeobservedforTrimodBestalevelswitcheswithinductiveproximitysensors: TypeI,IN,II: Umax.16VDC Li50µH Ci45nF TypeIE9,INE9,IIE9: Umax.16VDC Li150µH Ci50nF


Outpu Inputvoltage

Proximitysensor

ActuatorControlcircuit intrinsicallysafe

Amplifier unit

Relay

46

Notes


47www.besta.ch

Notes


BestaLtd.Ackerstrasse45CH-8610UsterSwitzerlandPhone+41433991515Fax+41433991500info@besta.chwww.besta.ch

homepage

Findyourlocalsalesandservicepartnerunderwww.besta.ch

Quality Management

TheBestaqualitymanagementsystemaccording toISO9001wasestablishedin1991.

Registered trade Marks

TrimodandBestaareregisteredtrademarksof BestaLtd.,Switzerland.

Technicalspecificationsareforinformationonlyandmaychangewithoutnotice.

Limit switches with electric,electronicandpneumaticswitchelements.Numerousshipbuildingapprovalsandregistrations.

Opto-electroniclevelsensorsforhorizontalandverticalinstallation.Sensitivityadjustableviapotentio-meter.

CatalogueLTKE201011,English

Documents

LeveL Switch cataLogue - Serkon · LeveL Switch cataLogue. 2. 3 ... Quality for your safety Certificates and test reports 6 ... t-100 test report, acc. to eN 10204-2.2