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)
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
-
High-end products
- Highly functional and convenient
Technical excellence
Simplicity
-
Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Loading alternative products
Predecessor
Success stories
Most downloaded
-
-
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
-
-
-
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
-
220 documents
-
-
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
-
-
-
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
-
-
-
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
-
-
-
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
-
-
-
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
-
-
-
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
-
-
-
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
-
-
-
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
-
-
-
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
-
-
-
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
-
Search spare parts by number in drawing
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
-
Cover F13 Ex Alu, gasket
-
Cover
Drawing numberOrder code2052002698 -
-
Cover F17 Alu, gasket
-
Cover
Drawing numberOrder code2052002699 -
-
Cover T13 Alu, gasket EPDM
-
Cover
Drawing numberOrder code2052006903 -
-
Cover F16 grey, PBTP, gasket
-
Cover
Drawing numberOrder code2052025606 -
-
Cover F16 transparent, gasket
-
Cover
Drawing numberOrder code2052025790 -
-
Cover F15 316L, gasket
-
Cover
Drawing numberOrder code2052027000 -
-
Cover F15 316L, sight glass, gasket
-
Cover
Drawing numberOrder code2052027002 -
-
Cover F15, sight glass PC, 316L, gasket
-
Cover
Drawing numberOrder code2052028207 -
-
Cover F27 316L, gasket EPDM
-
Cover
Drawing numberOrder code2071114754 -
-
Adapter set housing/electronics FTL5x/7x
-
Electronic
Drawing numberOrder code1252004236 -
-
O-ring 71.0x3.55 EPDM, 5 pieces
-
Sealing
Drawing numberOrder code2152004137 -
-
Sealing set EPDM,cover F13/17/18/27,5pc
-
Sealing
Drawing numberOrder code2152004277 -
-
Sealing set EPDM 73.0x3.0, 10 pieces
-
Sealing
Drawing numberOrder code2152008495 -
-
Gasket 67.5x2.9x1.5 VMQ/PTFE, 5 pieces
-
Sealing
Drawing numberOrder code2152028179 -
-
Sealing set FVQM, cover F27, 5 pc.
-
Sealing
Drawing numberOrder code2171114756 -
-
Cable entry G1/2, gasket
-
Adapter housing/cable entry
Drawing numberOrder code1552002447 -
-
Cable entry NPT1/2, gasket
-
Adapter housing/cable entry
Drawing numberOrder code1552002448 -
-
Cable entry Pg13.5, gasket
-
Adapter housing/cable entry
Drawing numberOrder code1552002450 -
-
Adapter set cable entry NPT1/2
-
Adapter housing/cable entry
Drawing numberOrder code1552004133 -
-
Adapter set cable gland M20
-
Adapter housing/cable entry
Drawing numberOrder code1552004134 -
-
Adapter set cable entry G1/2
-
Adapter housing/cable entry
Drawing numberOrder code1552004135 -
-
Adapter set cable gland Pg13.5
-
Adapter housing/cable entry
Drawing numberOrder code1552004136 -
-
Cable gland M20, gasket
-
Adapter housing/cable entry
Drawing numberOrder code1552004278 -
-
Cable gland M20 Metal F15, gasket
-
Adapter housing/cable entry
Drawing numberOrder code1571185029 -
-
Plug conn. ISO4400 3-pole, NPTF1/2, PE
-
further parts
Order code516734-1000 -
-
Plug conn. ISO4400 DIN43650 3+PE Pg11
-
further parts
Order code516734-2000 -
-
Cable 4x0.75, case 5080 FlSt
-
further parts
Order code938313-1000 -
-
Cover T13 "Terminal" Alu, gasket EPDM
-
Cover
Drawing numberOrder code2552007103 -
-
Electronics FEL51 19-253VAC
-
Electronic
Drawing numberOrder code3052002304 -
-
Electronics FEL52 10-55VDC-PNP
-
Electronic
Drawing numberOrder code3052002305 -
-
Electronics FEL54 relays DPDT
-
Electronic
Drawing numberOrder code3052002306 -
-
Electronics FEL55 11-36VDC
-
Electronic
Drawing numberOrder code3052002307 -
-
Electronics FEL56 NAMUR
-
Electronic
Drawing numberOrder code3052002308 -
-
Electronics FEL57 PFM
-
Electronic
Drawing numberOrder code3052002309 -
-
Electronics FEL58 NAMUR
-
Electronic
Drawing numberOrder code3052006454 -
-
Electronics FEL50D Density/Concentration
-
Electronic
Drawing numberOrder code3071027201 -
-
Electronics FEL50A,PA,HW02.00,SW01.03.00
-
Electronic
Drawing numberOrder code3071074953 -
-
Lubricant "SYNTHESO GLEP1" (tube a 8g)
-
further parts
Order code52005977 -
-
Modification name plate, non Ex
-
further parts
Order code71067434 -
-
Sealing ring G3/4, 27x32, FA, 5 pcs.
-
Sealing
Drawing numberOrder code5771185027 -
-
Sealing ring G1, 33x39 FA, 5 pcs.
-
Sealing
Drawing numberOrder code5752014048 -
-
Sealing ring G1-1/2, 48x55 FA, 5 pcs.
-
Sealing
Drawing numberOrder code5752014047 -
-
O-ring 21.89x2.62 VMQ, FDA, 5 pcs.
-
further parts
Order code52014473 -
-
O-ring 21.89x2.62 VMQ, FDA, USP, 3pcs.
-
further parts
Order code71086100 -
-
O-ring 21.89x2.62 EPDM, FDA, USP, 3 pcs.
-
further parts
Order code71140670 -
-
O-ring 28.17x3.53 VMQ, FDA, 5 pcs.
-
further parts
Order code52014472 -
-
O-ring 28.17x3.53 VMQ, FDA, USP, 3 pcs.
-
further parts
Order code71086102 -
-
O-ring 28.17x3.53 EPDM, FDA, USP, 3 pcs.
-
further parts
Order code71140668 -
-
Profile gasket 29x36x3.7, FDA, 5 pcs.
-
further parts
Order code52014424 -
-
Profile gasket 29x36x3.7, FDA, USP, 5pcs
-
further parts
Order code71075662 -
-
Protection cover F16 housing
Order code71127760 -
Weather protection cover F13/F17/F18/F27
Order code71040497 -
Sliding sleeve 100bar G1, 316L
Order code52003663 -
Sliding sleeve 100bar G1, 316L, 3.1
Order code52011880 -
Sliding sleeve 100bar G1, AlloyC4
Order code52003664 -
Sliding sleeve 100bar G1-1/2, 316L
Order code52003665 -
Sliding sleeve 100bar G1-1/2, 316L, 3.1
Order code52011882 -
Sliding sleeve 100bar G1-1/2, AlloyC4
Order code52003666 -
Sliding sleeve 100bar NPT1, 316L
Order code52003667 -
Sliding sleeve 100bar NPT1, 316L, 3.1
Order code52011881 -
Sliding sleeve 100bar NPT1, AlloyC4
Order code52003668 -
Sliding sleeve 100bar NPT1-1/2, 316L
Order code52003669 -
Sliding sleeve 100bar NPT1-1/2, 316L,3.1
Order code52011883 -
Sliding sleeve 100bar NPT1-1/2, AlloyC4
Order code52003670 -
Sliding sleeve G1, 316L
Order code52003978 -
Sliding sleeve G1, 316L, 3.1
Order code52011888 -
Sliding sleeve 100bar G1, AlloyC22, 3.1
Order code71118691 -
Sliding sleeve G1-1/2, 316L
Order code52003980 -
Sliding sleeve G1-1/2, 316L, 3.1
Order code52011890 -
Sliding sleeve 100barG1-1/2,AlloyC22,3.1
Order code71118693 -
Sliding sleeve NPT1, 316L
Order code52003979 -
Sliding sleeve NPT1, 316L, 3.1
Order code52011889 -
Sliding sleeve 100bar NPT1, AlloyC22,3.1
Order code71118694 -
Sliding sleeve NPT1-1/2, 316L
Order code52003981 -
Sliding sleeve NPT1-1/2, 316L, 3.1
Order code52011891 -
Sliding slee.100barNPT1-1/2,AlloyC22,3.1
Order code71118695 -
Weld-in adapter RD52, 316L
Order code52001047 -
Weld-in adapter G1, d=53, 316L, 3.1
Order code71093129 -
Weld-in adapter G1, d=60, 316L
Order code52001051 -
Weld-in adapter G1, d=60, 316L, 3.1
Order code52011896 -
Weld-in adapter G1, d=53, 316L
Order code71258358 -
Weld-in adapter G1, adjustable, 316L
Order code52001221 -
Weld-in adapter G1, adjustable,316L, 3.1
Order code52011898 -
Test magnet
Order code71267011 -
Fork protection screwed
Order code71639787 -
Fork protection screwed and slitted
Order code71639788
4 products & bundles
4 products
Often bought together
Accessories
Related products
