Vibronic
Point level detection
Liquiphant FTL51

Point level switch with extension tube for liquids in all industries

FTL51

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Specs at a glance

Process temperature

-50 °C...+150 °C
(-58 °F...+302 °F)
Process pressure / max. overpressure limit

Vacuum...100 bar
Min. density of medium

0.5g/cm³(0.4g/cm³ optional)

See all specifications

Field of application

Liquiphant FTL51 is a point level switch with extension tube for use in hazardous areas with all international certificates. Useable in all industries. FTL51 offers functional safety SIL2/SIL3. With the second line of defense highest degree of safety and availability of the device can be guaranteed. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.

Point level switch with extension tube for all liquids.

Process connections: Threads, flanges and hygienic process connection (Tri-Clamp)
Temperature: -50 to +150°C (-58 to +302°F)
Pressure: -1 to +100bar (-14.5 to +1,450psi)
Sensor material: 316L, Alloy
International explosion protection certificates, overfill prevention WHG, SIL

Benefits

Use in safety systems requiring functional safety to SIL2/SIL3 in accordance with
IEC 61508/IEC 61511-1
International explosion protection certificates and overfill prevention certificate (WHG)
No calibration required, easy to start up
No mechanically moving parts: no maintenance, no wear, long operating life.
Monitoring of fork for damage: guaranteed function
Second line of defense to protect the environment
Variety of standardized process connections for all applications
Stainless steel (316L) and high-corrosion resistant sensor material (Alloy)

Videos

Vibronic measuring principle
Liquiphant with permanent function check is the safe choice for point level detection in liquids

Extended selection

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

Learn more about the FLEX selections

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Predecessor

CS1103
CS1113
CS1203
CS1213
CS1603
CS1613
FTL51K
FTL360

FTL361
FDL30
FDL31
FTL365
FTL366
FDL35
FDL36

Success stories

Time saved, safety increased

Employees of Returkraft regularly have to fulfill and document all requirements of the SIL measuring points in the plant.
Read the full story
Fit for purpose instrumentation for CNG compressors

The Egyptian government is working to replace liquid fuels with natural gas. To achieve this they targeted increasing the number of CNG stations in their country from 306 to 1000 by the end of 2021.
Read the full story
Extend SIL proof test intervals with new Liquiphant FTL51

Discover how our customer CABB was able to extend SIL proof test intervals with the new Liquiphant FTL51
Read the full story
Optimized logistics concept for tank systems

We implemented a highly effective logistics concept at chemicals distributors Brenntag Schweizerhall AG's Basel site.
Read the full story
Truck loading - safety solved through trusted partnership

Endress+Hauser provides global chemical and plastics distributor with “total turnkey solution”
Read the full story

Filter

Search spare parts by number in drawing

60 spare parts & accessories

Cover F13 Ex Alu, gasket

Cover

Drawing number

Order code

20

52002698
Cover F17 Alu, gasket

Cover

Drawing number

Order code

20

52002699
Cover T13 Alu, gasket EPDM

Cover

Drawing number

Order code

20

52006903
Cover F16 grey, PBTP, gasket

Cover

Drawing number

Order code

20

52025606
Cover F16 transparent, gasket

Cover

Drawing number

Order code

20

52025790
Cover F15 316L, gasket

Cover

Drawing number

Order code

20

52027000
Cover F15 316L, sight glass, gasket

Cover

Drawing number

Order code

20

52027002
Cover F15, sight glass PC, 316L, gasket

Cover

Drawing number

Order code

20

52028207
Cover F27 316L, gasket EPDM

Cover

Drawing number

Order code

20

71114754
Adapter set housing/electronics FTL5x/7x

Electronic

Drawing number

Order code

12

52004236
O-ring 71.0x3.55 EPDM, 5 pieces

Sealing

Drawing number

Order code

21

52004137
Sealing set EPDM,cover F13/17/18/27,10pc

Sealing

Drawing number

Order code

21

52004277
Sealing set EPDM 73.0x3.0, 10 pieces

Sealing

Drawing number

Order code

21

52008495
Gasket 67.5x2.9x1.5 VMQ/PTFE, 5 pieces

Sealing

Drawing number

Order code

21

52028179
Sealing set FVQM, cover F27, 3 pc.

Sealing

Drawing number

Order code

21

71114756
Cable entry G1/2, gasket

Language:	English
Version:	01/07/2008
File size:	277.3 KB
File name:	SD270FA2_0708.pdf

	EN
10/01/2020
09/10/2017
30/11/2016
07/05/2015
04/04/2012

Language:	English
Version:	10/01/2020
File size:	2.7 MB
File name:	TI00328FEN_1820.pdf

	EN
10/01/2020
09/10/2017
30/11/2016
07/05/2015
04/04/2012

Language:	English
Version:	10/01/2020
File size:	2.7 MB
File name:	TI00328FEN_1820.pdf

	EN
01/07/2008

	EN
31/08/2018
13/02/2017
19/05/2010
29/11/2007

	EN
28/10/2021
19/06/2020
08/11/2019
17/08/2017
30/06/2016

	EN
08/10/2012
12/02/2009
29/11/2007

VibronicPoint level detectionLiquiphant FTL51

Point level switch with extension tube for liquids in all industries

Specs at a glance

Process temperature

Process pressure / max. overpressure limit

Min. density of medium

Field of application

Benefits

Videos

Extended selection

Predecessor

Success stories

Time saved, safety increased

Fit for purpose instrumentation for CNG compressors

Extend SIL proof test intervals with new Liquiphant FTL51

Optimized logistics concept for tank systems

Truck loading - safety solved through trusted partnership

Measuring principle

Characteristic / Application

Specialities

Supply / Communication

Ambient temperature

Process temperature

Process pressure / max. overpressure limit

Min. density of medium

Main wetted parts

Process connection

Process connection hygienic

Sensor length

Communication

Certificates / Approvals

Safety approvals

Design approvals

Marine approval

Options

Components

Successor

Measuring principle

Characteristic / Application

Supply / Communication

Ambient temperature

Process temperature

Process pressure

Wetted parts

Sensor length

Output

Certificates / Approvals

Specialities

Components

Other approvals and certificates

Back

Liquiphant M/S FTL5x(H), FTL51C, FTL7x + Nivotester FTL325P

Liquiphant M FTL50, FTL51, FTL50H, FTL51H Technical Information

Liquiphant M FTL50, FTL51, FTL50H, FTL51H Technical Information

Liquiphant M FTL51C Technical Information

Weld-in adapter, process adapter and flanges

Technical Information Liquiphant M Density and Density Computer FML621

Liquiphant M/S FTL50, FTL51, FTL50H, FTL51H, FTL51C, FTL70, FTL71 Electronic insert FEL50A PA

Bedienungsanleitung/ Operating Instuction Liquiphant.

FTL5x - sealing set

Liquiphant M Density FTL50, FTL51 Operating Instructions

Liquiphant M/S FTL51, FTL71, FTL81 Operating Instructions

Exchange of sensor on Liquiphant M/S

FTL5x - Exchange of housing F13

Liquiphant M FTL50, FTL51 Operating Instructions

Liquiphant M FTL50-########7#, FTL51-########7#, Operating Instructions

Liquiphant M/S FTL51, FTL71, FTL81

Operating Instuction Liquiphant M FTL 51, FTL71, FTL81

Operating Instuction Liquiphant FTL 51, FTL71, FTL81 Sliding Sleeve

FTL5x - exchange of Polyester housing F16

FTL5x - exchange Alu housing F17

Bedienungsanleitung/ Operating Instuctions Liquiphant M/S + FEL57

Liquiphant M FTL50,FTL51, FTL50H, FTL51H Operating Instructions

Back

Cover F13 Ex Alu, gasket

Cover F17 Alu, gasket

Cover T13 Alu, gasket EPDM

Cover F16 grey, PBTP, gasket

Cover F16 transparent, gasket

Cover F15 316L, gasket

Vibronic
Point level detection
Liquiphant FTL51