Liquiphant FTL41
The vibronic level switch in basic applications reduces complexities in your plant
Over 6 million installed Liquiphant point level switches in the field worldwide prove the day-to-day realiability of this device. With its active sensor technology you always be sure that your device is working correctly.
In addition there is no need of adjustment to different media.
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Specs at a glance
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Process temperature
-40 °C...+150 °C
(-40 °F...+302 °F) -
Process pressure absolute / max. overpressure limit
Vacuum...40 bar
(Vacuum...580 psi) -
Min. density of medium
0.5 g/cm³
(0.4 g/cm³ optional)
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Quick selection
Individual configuration
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Benefits
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One measuring system for any liquid. Simple to use with plug and play functionality based on active sensor technology
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Better long-term stability compared to float switches due to no mechanically moving parts
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Repeatability of switching point
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Universal...
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Field of application
Point level switch with extension tube for all liquids.
Process connections: Threads, flanges and hygienic process connection (Tri-Clamp)
Temperature: -40 to +150°C (-40 to +302°F)
Pressure: -1 to +40bar (-14.5 to +580psi)
Sensor material: 316L
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Documents / Manuals / Software
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Weld-in adapter, process adapter and flanges
Level and pressure measurement
Technical Information (TI) -
Liquiphant FTL41
Vibronic
Technical Information (TI) -
Liquiphant FTL41
Vibronic
Operating Instruction (BA) -
Liquiphant FTL41
Vibronic
Short Instruction (KA)01/21English -
Cable gland M20x1.5
Liquiphant, Gammapilot
Cerabar, DeltabarInstallation Instructions (EA) -
Cover, cover seal
Liquiphant FTL41, FTL51B, FTL62, FTL64
Gammapilot FMG50
Cerabar PMC51B, PMP51B, PMC71B, PMP71B
Deltabar PMD55B, PMD75B, PMD78BInstallation Instructions (EA) -
Dummy plug M20×1.5, dummy plug NPT½
Liquiphant, Gammapilot,
Cerabar, Deltabar
Prothermo NMT81Installation Instructions (EA) -
Electronic insert FEL4x
Installation Instructions
Liquiphant FTL41
Installation Instructions (EA) -
M12 plug (housing side)
Liquiphant, Gammapilot,
Cerabar, DeltabarInstallation Instructions (EA) -
Ground terminal
Liquiphant, Gammapilot,
Cerabar, DeltabarInstallation Instructions (EA) -
Liquiphant FTL41
Ex db IIC T6...T1 Ga/Gb
Ex db IIC T6...T1 GbEx Safety Instructions (XA) -
Liquiphant FTL41
Ex d IIC T6...T1
Ex Safety Instructions (XA) -
Liquiphant FTL41
Ex db IIC T6...T1 Ga/Gb
Ex db IIC T6...T1 GbEx Safety Instructions (XA) -
Liquiphant FTL41
Control Drawing Div. 2
Ex Safety Instructions (XA) -
Liquiphant FTL41
Ex ia IIC T6...T1 Ga/Gb
Ex ia IIC T6...T1 GbEx Safety Instructions (XA) -
Liquiphant FTL41
Ga/Gb Ex ia IIC T6...T1
1Ex ia IIC T6...T1 GbEx Safety Instructions (XA) -
Liquiphant FTL41
Ga/Gb Ex db IIC T6...T1
1Ex db IIC T6...T1 GbEx Safety Instructions (XA) -
Liquiphant FTL41
Ex ia IIC T6...T1 Ga/Gb
Ex ia IIC T6...T1 GbEx Safety Instructions (XA) -
Liquiphant FTL41
Ex ia IIC T6...T1
Ex Safety Instructions (XA) -
Liquiphant FTL41
Control Drawing IS
Ex Safety Instructions (XA) -
Liquiphant FTL41
Ex d IIC T1-T6 Ga/Gb
Ex d IIC T1-T6 GbEx Safety Instructions (XA) -
Liquiphant FTL41
ATEX:
II 1/2 G Ex ia IIC T6...T1 Ga/Gb
II 2 G Ex ia IIC T6...T1 Gb
IECEx:
Ex ia IIC T6...T1 Ga/Gb
Ex ia IIC T6...T1 GbEx Safety Instructions (XA) -
Liquiphant FTL41
Control Drawing XP
Ex Safety Instructions (XA) -
Liquiphant FTL41
Ex ia IIC T1-T6 Ga/Gb
Ex ia IIC T1-T6 GbEx Safety Instructions (XA) -
Liquiphant FTL41
ATEX:
II 1/2 G Ex db IIC T6...T1 Ga/Gb
II 2 G Ex db IIC T6...T1 Gb
IECEx:
Ex db IIC T6...T1 Ga/Gb
Ex db IIC T6...T1 GbEx Safety Instructions (XA) -
Allgemeine bauaufsichtliche Zulassung /
Allgemeine Bauartgenehmigung
Z-65.11-590
Allgemeine bauaufsichtliche Zulassung /
Allgemeine Bauartgenehmigung
Liquiphant ES
FTL41, FTL51BCertificate (ZE) -
RFID TAG
Certificate/Declaration of Conformity
ATEX:
II 2 G Ex ia IIC T6 Gb
II 2 D Ex ia IIIC T80°C Db;
IECEx:
Ex ia IIC T6 Gb
Ex ia IIIC T80°C Db
IECEx EPS 15.0042X; EPS 15 ATEX 1 1011 XCertificate (ZE) -
Allgemeine bauaufsichtliche Zulassung /
Allgemeine Bauartgenehmigung
Z-65.40-591
Allgemeine bauaufsichtliche Zulassung /
Allgemeine Bauartgenehmigung
Liquiphant ES
FTL41, FTL51BCertificate (ZE) -
Adapter/cable gland
Level measurement, pressure measurement
Special Documentation (SD) -
RFID TAG
Special Documentation
RFID TAG
Special DocumentationSpecial Documentation (SD) -
Cable gland M20 Ex d
for the Japanese market
Special Documentation (SD) -
Weather protection cover
Level measurement, pressure measurement
Special Documentation (SD) -
Liquiphant FTL41, FTL51B, FTL64, FTL71, FTL81
Vibronic
Special Documentation (SD) -
The challenge and solution, inventory Management of NGLs in 1.3m x 500m
horizontal
vessels
White Paper - As presented at the Canadian School of hydrocarbon
measurement
calgary 2018Case Studies (CS)05/18English -
Liquiphant FTL41
Kompakter Füllstand-Grenzschalter für Flüssigkeiten
Tender Text12/20German -
Liquiphant
Product Code: FTL41-, FTL51B-, FTL62-, FTL64-
Declaration Number: EC_00749_02.19EU DeclarationGerman , English , fr -
Liquiphant
Product Code: FTL41-, FTL51B-, FTL62-, FTL64-
Declaration Number: EC_00721_02.18EU DeclarationGerman , English , fr -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Approval Number: EAEC N RU D-DE.AD07.B.02047/19MiscellaneousRussian -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Approval Number: EAEC N D-DE.AD07.B.02048/19MiscellaneousRussian -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country:
Approval Agency:
Protection: Ex ia, Ex ta/tb, Ex db eb, Ex dbExplosion Protection -
Liquiphant
Product Code: FTL41-, FTL51B-, FTL62-, FTL64-
Region/Country: Europe (ATEX)
Approval Agency: KIWA
Category: II 1 G, II 1/2 G, II 1/2 D, II 2 G, II 2 D
Protection: Ex t, Ex ia, Ex d e, Ex dExplosion ProtectionEnglish -
Liquiphant
Product Code: FTL41-
Region/Country: South Korea
Approval Agency: KTL
Category: zone 0,1
Protection: Ex dExplosion Protection -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: Japan
Approval Agency: CML
Protection: Ex d, Ex d e, Ex iaExplosion ProtectionJapanese -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country:
Approval Agency:
Protection: Ex ia, Ex tb, Ex ta/tb, Ex db eb, Ex dbExplosion Protection -
Liquiphant
Product Code: FTL41-
Region/Country: South Korea
Approval Agency: KTL
Category: zone 0,1
Protection: Ex iaExplosion Protection -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: Canada, USA
Approval Agency: CSA
Category: I/I, I,II,III/1,2/A,B,C,D,E,F,G T6
Protection: IS, NI, XP, Ex d IIC, Ex ia IIC, AEx ia IIC, AEx d IICExplosion ProtectionEnglish -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: China
Approval Agency:
Protection: Ex d IIC T6...T1, Ex d e IIC T6...T1, Ex ia IIC T6...T1Explosion ProtectionChinese -
Liquiphant
Product Code: FTL41-, FTL51B-, FTL62-, FTL64-
Region/Country: International (IECEx)
Approval Agency: KIWA
Protection: Ex ec, Ex t, Ex ia, Ex d e, Ex dExplosion ProtectionEnglish -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: China
Approval Agency: NEPSI
Protection: Ex d, Ex d e, Ex iaExplosion ProtectionChinese -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Protection: Ex d, Ex d e, Ex ia, Ex nA, Ex taExplosion ProtectionRussian -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: Brazil
Approval Agency: TÜV
Protection: Ex d, Ex d e, Ex iaExplosion ProtectionPortuguese -
Liquiphant
Product Code: FTL41-, FTL51B-, FTL62-, FTL64-
Region/Country: Germany
Approval Agency: DIBt
Approval Number: Z-65.11-590Overfill PreventionGerman -
Liquiphant
Product Code: FTL41-, FTL51B-, FTL62-, FTL64-
Region/Country: Germany
Approval Agency: DIBt
Approval Number: Z-65.40-591Overfill PreventionGerman -
Micropilot, Micropilot S, Minicap, Nivector, Prosonic M, Prosonic S, Prosonic T, Pumpenschutz, Solicap M, Solicap S, Soliphant M, Soliphant T, SYSTEM, Doppelstabsonde, Dreistabsonde, Einstabsonde, Levelflex, Liquicap M, Liquicap T, Liquiphant, Liquiphant FailSafe, Liquiphant M, Liquiphant S, Liquipoint, Liquipoint T, LIQUITREND
Product Code: FTL51C-, FTL51B-, FTL51-, FTL50H-, FTL50-, FTL41-, FTL33-, FTL31-, FTI77-, FTI56-, FTI55-, FTI52-, FTI51-, FTI26-, FTC968Z-, FTC262-, FTC260-, FMU44-, FMU43-, FTL51H-, FTL62-, FTL64-, FTL70-, FTL71-, FTL80-, FTL81-, FTL85-, FTM20-, FTM21-, FTM50-, FTM51-, FTM52-, FTW23-, FTW31-, FTW32-, FTW33-, NMR81-, NMR84-, QMW43-, FMU42-, 11362Z-, 11363Z-, 11371-, 11375Z-, 11961Z-, FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FMI21-, FMI51-, FMI52-, FMP50-, FMP51-, FMP52-, FMP53-, FMP54-, FMP55-, FMU41-, FMU40-, FMU30-, FMR67-, FMR62-, FMR60-, FMR57-, FMR56-, FMR540-, FMR54-, FMR532-, FMR53-, FMR52-, FMR51-, FMR50-, FMR20-, FMR10-, FMP57-, FMP56-
Approval Agency: TÜVPressure EquipmentGerman , English -
Liquiphant, Liquiphant FailSafe, Liquiphant M, Liquiphant S
Product Code: FTL85-, FTL81-, FTL80-, FTL71-, FTL70-, FTL51H-, FTL51C-, FTL51B-, FTL51-, FTL50H-, FTL50-, FTL41-
Region/Country: Canada (CRN)
Approval Agency: CRNPressure EquipmentEnglish -
Liquiphant
Product Code: FTL41-, FTL51B-, FTL62-, FTL64-
Region/Country: International
Approval Agency: LRMarineGerman , English -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: International
Approval Agency: ABSMarineEnglish -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: International
Approval Agency: DNVGLMarineEnglish -
Liquiphant
Product Code: FTL41-, FTL51B-
Region/Country: Canada, USA
Approval Agency: CSAOrdinary Location Product SafetyEnglish
Accessories / Spare parts
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Nr 30 Order code 71432590
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Nr 30 Order code 71432594
Electronics FEL44, relay DPDT
19-253VAC/19-55VDC, contact 253V/6A. Usage: FTL41.
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Nr 30 Order code 71432595
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Nr 20 Order code 71435116
Cover, Alu, closed
Sealing ring, HNBR. Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.
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Nr 20 Order code 71435118
Cover, Alu, closed, Ex d
Sealing ring, HNBR. Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.
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Nr 20 Order code 71435126
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Nr 15 Order code 71435135
Cable gland M20, plastic
Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.
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Nr 15 Order code 71435136
Cable gland M20, brass nickel plated
Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.
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Nr 21 Order code 71435131
Sealing set EPDM, 5 pieces
Usage: FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.
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Nr 21 Order code 71435132
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Order code 71438291
Weather protection cover, plastic, XW111
Usage: FTL41, FTL51B, PMC51B, PMD55B, PMP51B.
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Order code 52003663
Sliding sleeve 100bar G1, 316L
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011880
Sliding sleeve 100bar G1, 316L, 3.1
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52003665
Sliding sleeve 100bar G1-1/2, 316L
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011882
Sliding sleeve 100bar G1-1/2, 316L, 3.1
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52003667
Sliding sleeve 100bar NPT1, 316L
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011881
Sliding sleeve 100bar NPT1, 316L, 3.1
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52003669
Sliding sleeve 100bar NPT1-1/2, 316L
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011883
Sliding sleeve 100bar NPT1-1/2, 316L,3.1
Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52003978
Sliding sleeve G1, 316L
Switch point adjustment pressureless condition. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011888
Sliding sleeve G1, 316L, 3.1
Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52003980
Sliding sleeve G1-1/2, 316L
Switch point adjustment pressureless condition. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011890
Sliding sleeve G1-1/2, 316L, 3.1
Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52003979
Sliding sleeve NPT1, 316L
Switch point adjustment pressureless condition. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011889
Sliding sleeve NPT1, 316L, 3.1
Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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Order code 52011891
Sliding sleeve NPT1-1/2, 316L, 3.1
Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.
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