Specs at a glance
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Process temperature
-60 °C...+280 °C
(-76 °F...+540 °F)
(300°C / 572°F, 50h cumulated) -
Process pressure / max. overpressure limit
Vacuum...100 bar
(Vacuum...1450 bar) -
Min. density of medium
0.5g/cm³ (0.4g/cm³ optional)
Field of application
Liquiphant FTL71 is a point level switch with extension tube for use in hazardous areas with all international certificates. FTL71 is especially designed for applications with high process temperatures up to 280°C and can be used up to SIL2, in homogeneous redundancy up to SIL3. An integrated second line of defense offers the highest degree of safety. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.
Point level switch for all liquids.
Process connections: Threads and flanges
Temperature: -60 to +280°C (-76 to +540°F)
Pressure: -1 to +100bar (-14.5 to +1,450psi)
Sensor material: 316L, Alloy (PFA and Enamel on request)
International explosion protection certificates, overfill protection WHG, SIL, marine approvals
Benefits
Use in safety systems requiring functional safety to SIL2 in accordance with
IEC 61508/IEC 61511-1With welded gas-tight feed-through maximum safety in the event of damaged sensor
Wide variety of electronics, e.g. NAMUR, relay, thyristor, PFM signal output: the right connection for every process control system
Large number of process connections to choose from: universal usage
No calibration: quick, low-cost start-up
No mechanically moving parts: no maintenance, no wear, long operating life.
Monitoring of fork for damage: guaranteed functionFDA approved materials (PFA Edlon)
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| FLEX selections | Technical excellence | Simplicity |
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Most downloaded
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Explosion Protection
Product family: Liquiphant M, Liquiphant S 11111
English version - 08/2021
Product root: FTL50-, FTL50H-, FTL51-, FTL51C-, FTL51H-, FTL70-, FTL71- Region: International (IECEx) Approval agency: DEKRA Protection: Exx d e IIC Ga/Gb
Language:
English
Version:
30/08/2021
File size:
870.1 KB
File name:
IECExDEK15.0060X_Issue2.pdf
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Safety Integrity Level (SIL)
Product family: Liquiphant M, Liquiphant S, Soliphant M
English version - 10/2020
Product root: FTL50-, FTL50H-, FTL51-, FTL51C-, FTL51H-, FTL70-, FTL71-, FTM50-, FTM51-, FTM52- Region: International Approval agency: TÜV Safety function: Level monitoring
EN 02/10/2020Language:
English
Version:
02/10/2020
File size:
724.8 KB
File name:
968_FSP_1148_01_20_de_en_el.pdf
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169 documents
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Technical Information (TI)
Liquiphant S FTL70, FTL71 Technical Information
High-temperature point level switch for all kinds of liquids
EN 13/02/201709/07/201016/06/200906/10/2005Language:
English
Version:
13/02/2017
File size:
962.1 KB
File name:
TI00354FEN_1316.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)
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 S FTL70-########7##, FTL71-########7## Operating Instructions
High-temperature point level switch for all kinds of liquids
EN 20/01/201730/06/201631/07/201031/01/200618/03/2004Language:
English
Version:
20/01/2017
File size:
1.5 MB
File name:
KA00173FA6_1417.pdf
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Short Instruction (KA)
Liquiphant S FTL70, FTL71 Operating Instructions
High-temperature point level switch for all kinds of liquids
EN 20/01/201729/06/201609/07/201001/02/2006Language:
English
Version:
20/01/2017
File size:
1.1 MB
File name:
KA00172FA6_1417.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)
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)
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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Search spare parts by number in drawing
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
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Cover F13 Ex Alu, gasket
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Cover
Drawing numberOrder code2052002698 -
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Cover F17 Alu, gasket
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Cover
Drawing numberOrder code2052002699 -
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Cover T13 Alu, gasket EPDM
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Cover
Drawing numberOrder code2052006903 -
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Cover F16 grey, PBTP, gasket
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Cover
Drawing numberOrder code2052025606 -
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Cover F16 transparent, gasket
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Cover
Drawing numberOrder code2052025790 -
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Cover F27 316L, gasket EPDM
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Cover
Drawing numberOrder code2071114754 -
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Adapter set housing/electronics FTL5x/7x
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Housing/housing accessories
Drawing numberOrder code1252004236 -
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O-ring 71.0x3.55 EPDM, 5 pieces
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Sealing
Drawing numberOrder code2152004137 -
-
Sealing set EPDM,cover F13/17/18/27,5pc
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Sealing
Drawing numberOrder code2152004277 -
-
Sealing set EPDM 73.0x3.0, 10 pieces
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Sealing
Drawing numberOrder code2152008495 -
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Sealing set FVQM, cover F27, 5 pc.
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Sealing
Drawing numberOrder code2171114756 -
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Adapter set cable entry NPT1/2
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further parts
Order code52004133 -
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Adapter set cable gland M20
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further parts
Order code52004134 -
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Adapter set cable entry G1/2
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further parts
Order code52004135 -
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Cable gland M20 Metal F15, gasket
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further parts
Order code71185029 -
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Cover T13 "Terminal" Alu, gasket EPDM
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Cover
Drawing numberOrder code2552007103 -
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Lubricant "SYNTHESO GLEP1" (tube a 8g)
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further parts
Order code52005977 -
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Electronics FEL51 19-253VAC
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Electronic
Drawing numberOrder code3052002304 -
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Electronics FEL52 10-55VDC-PNP
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Electronic
Drawing numberOrder code3052002305 -
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Electronics FEL54 relays DPDT
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Electronic
Drawing numberOrder code3052002306 -
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Electronics FEL55 11-36VDC
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Electronic
Drawing numberOrder code3052002307 -
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Electronics FEL56 NAMUR
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Electronic
Drawing numberOrder code3052002308 -
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Electronics FEL57 PFM
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Electronic
Drawing numberOrder code3052002309 -
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Electronics FEL58 NAMUR
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Electronic
Drawing numberOrder code3052006454 -
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Electronics FEL50A,PA,HW02.00,SW01.03.00
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Electronic
Drawing numberOrder code3071074953 -
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Modification name plate, non Ex
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further parts
Order code71067434 -
-
Sealing ring G1, 33x39 FA, 5 pcs.
-
further parts
Drawing numberOrder code5752014048 -
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Sealing ring G1-1/2, 48x55 FA, 5 pcs.
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further parts
Drawing numberOrder code5752014047 -
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Protection cover F16 housing
Order code71127760 -
Weather protection cover F13/F17/F18/F27
Order code71040497 -
Weather protection cover F6/F10
Order code942262-0000 -
Sliding sleeve 100bar G1, AlloyC22, 3.1
Order code71118691 -
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 NPT1, 316L, 3.1
Order code52011889 -
Sliding sleeve 100bar NPT1, AlloyC22,3.1
Order code71118694 -
Sliding sleeve NPT1-1/2, 316L
Order code52003981 -
Fork protection screwed
Order code71639787 -
Fork protection screwed and slitted
Order code71639788
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4 products
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