Specs at a glance
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Process temperature
-50 °C...+150 °C
(-58 °F...+302 °F) -
Process pressure / max. overpressure limit
Vacuum...100 bar
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Min. density of medium
0.5g/cm³(0.4g/cm³ optional)
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 protection WHG, SIL
Benefits
Use in safety systems requiring functional safety to SIL2/SIL3 in accordance with
IEC 61508/IEC 61511-1International explosion protection certificates and overfill protection 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 functionSecond 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
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity
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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
|
Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
Predecessor
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Technical Information (TI)
Liquiphant M FTL50, FTL51, FTL50H, FTL51H Technical Information
English version - 01/2020
Point level switch for all kinds of liquids
EN 10/01/202009/10/201730/11/201607/05/201504/04/2012Language:
English
Version:
10/01/2020
File size:
2.7 MB
File name:
TI00328FEN_1820.pdf
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Operating Instruction (BA)
Liquiphant M/S FTL50, FTL51, FTL50H, FTL51H, FTL51C, FTL70, FTL71 Electronic insert FEL50A PA
English version - 08/2004
Vibration Limit Switch Level limit switch for all liquids. Suitable for use in hazardous areas, food and pharmaceuticals
EN 10/08/2004Language:
English
Version:
10/08/2004
File size:
836 KB
File name:
BA141FEN.pdf
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Technical Information (TI)
Liquiphant M FTL50, FTL51, FTL50H, FTL51H Technical Information
Point level switch for all kinds of liquids
EN 10/01/202009/10/201730/11/201607/05/201504/04/2012Language:
English
Version:
10/01/2020
File size:
2.7 MB
File name:
TI00328FEN_1820.pdf
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Technical Information (TI)
TI Weld-in adapter, process adapter and flanges
Level, pressure and temperature measurement
EN 25/03/202415/09/202328/10/202130/07/202119/06/2020Language:
English
Version:
25/03/2024
File size:
1.1 MB
File name:
TI00426FEN_2524.pdf
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Technical Information (TI)
Liquiphant M FTL51C Technical Information
Point level switch for all kinds of liquids
with high corrosion-resistant coatingEN 31/08/201813/02/201719/05/201029/11/2007Language:
English
Version:
31/08/2018
File size:
2 MB
File name:
TI00347FEN_1418.pdf
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Technical Information (TI)
Technical Information Liquiphant M Density and Density Computer FML621
Density computer for liquids
Also for use in hazardous areasEN 08/10/201212/02/200929/11/2007Language:
English
Version:
08/10/2012
File size:
800.4 KB
File name:
TI00420FEN_1312.pdf
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Operating Instruction (BA)
Liquiphant M/S FTL50, FTL51, FTL50H, FTL51H, FTL51C, FTL70, FTL71 Electronic insert FEL50A PA
Vibration Limit Switch
Level limit switch for all liquids.
Suitable for use in hazardous areas, food and pharmaceuticalsEN 10/08/2004Language:
English
Version:
10/08/2004
File size:
836 KB
File name:
BA141FEN.pdf
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Short Instruction (KA)
FTL5x - Exchange of housing F13
Liquiphant FTL5x - Exchange of housing F13
EN 15/04/2021Language:
English
Version:
15/04/2021
File size:
232.8 KB
File name:
KA00531F00_A2.pdf
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Short Instruction (KA)
FTL5x - sealing set
FTL5x - sealing set
EN 03/05/2021Language:
English
Version:
03/05/2021
File size:
63.3 KB
File name:
KA00609F_A2.pdf
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Short Instruction (KA)
Bedienungsanleitung/ Operating Instuction Liquiphant.
Sliding Sleeve
EN 01/05/200801/11/1998Language:
English
Version:
01/05/2008
File size:
314.8 KB
File name:
KA100fa6_0308.pdf
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Short Instruction (KA)
Liquiphant M FTL50, FTL51 Operating Instructions
Point level switch for all kinds of liquids
EN 20/01/201729/06/201618/04/200601/04/2006Language:
English
Version:
20/01/2017
File size:
982.5 KB
File name:
KA00143FA6_1417.pdf
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Short Instruction (KA)
Liquiphant M FTL50-########7#, FTL51-########7#, Operating Instructions
Point level switch for all liquids.
Suitable for use in hazardous areas, food and pharmaceuticals
With Aluminium HousingEN 20/01/201729/06/201631/07/201018/04/200606/07/2004Language:
English
Version:
20/01/2017
File size:
1.8 MB
File name:
KA00163FA6_1417.pdf
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Short Instruction (KA)
Liquiphant M Density FTL50, FTL51 Operating Instructions
Liquiphant M for density and concentration calculation
EN 29/06/201615/11/2007Language:
English
Version:
29/06/2016
File size:
999.4 KB
File name:
KA00284FA6_1316.pdf
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Short Instruction (KA)
Liquiphant M/S FTL51, FTL71, FTL81 Operating Instructions
High Pressure Sliding Sleeve
G 1, NPT 1EN 09/05/201731/07/201001/05/200801/10/2005Language:
English
Version:
09/05/2017
File size:
295.4 KB
File name:
KA00153FA6_1317.pdf
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Short Instruction (KA)
Liquiphant M/S FTL51, FTL71, FTL81
High Pressure Sliding Sleeve
G 1 1/2, NPT 1 1/2EN 09/05/201731/07/201001/05/200813/10/2005Language:
English
Version:
09/05/2017
File size:
280 KB
File name:
KA00154FA6_1317.pdf
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Short Instruction (KA)
Exchange of sensor on Liquiphant M/S
Exchange of sensor on Liquiphant M/S
EN 24/04/2012Language:
English
Version:
24/04/2012
File size:
398.2 KB
File name:
KA00529FA2_0908.pdf
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Short Instruction (KA)
FTL5x - exchange of Polyester housing F16
Liquiphant FTL5x exchange of Polyester housing F16
EN 15/04/2021Language:
English
Version:
15/04/2021
File size:
344.2 KB
File name:
KA00533F00_A2.pdf
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Short Instruction (KA)
FTL5x - exchange Alu housing F17
Liquiphant M FTL5x - exchange Alu housing F17
EN 15/04/2021Language:
English
Version:
15/04/2021
File size:
254.1 KB
File name:
KA00534F00_A2.pdf
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Short Instruction (KA)
Operating Instuction Liquiphant M FTL 51, FTL71, FTL81
Sliding Sleeve G 1 A, 1 NPT
for Unpressurised Operation.EN 09/05/201719/10/2005Language:
English
Version:
09/05/2017
File size:
158.9 KB
File name:
KA00151FA6_1317.pdf
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Short Instruction (KA)
Bedienungsanleitung/ Operating Instuctions Liquiphant M/S + FEL57
Selbsttest
Self testEN 27/02/201701/03/2002Language:
English
Version:
27/02/2017
File size:
227.1 KB
File name:
KA00147FA6_1316.pdf
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Short Instruction (KA)
Operating Instuction Liquiphant FTL 51, FTL71, FTL81 Sliding Sleeve
Sliding Sleeve G 1½ A, 1½ NPT
for Unpressurised Operation.EN 09/05/201719/10/2005Language:
English
Version:
09/05/2017
File size:
141.4 KB
File name:
KA00152FA6_1317.pdf
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Short Instruction (KA)
Liquiphant M FTL50,FTL51, FTL50H, FTL51H Operating Instructions
Point Level Switch with compact housing
EN 29/06/201601/01/2006Language:
English
Version:
29/06/2016
File size:
770.2 KB
File name:
KA00220FA6_1316.pdf
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Installation Instructions (EA)
Graphite gaskets Installation instruction
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