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Liquiphant FTL71 vibration level switch

Liquiphant FTL71 vibration level switch

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.

Product Data Sheet
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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.

Measuring PrincipleVibration Liquids
Characteristic / ApplicationModular housing concept
High process temperatures up to 280°C
wide range of process connections
Analogue and bus interfaces
Extensive certificate range (e.g. Ex,WHG)
compact, e.g. pipes
Dual Sealing / Second line of defense

SpecialitiesFoam detection
Detect a density change
second line of defense

Supply / CommunicationPROFIBUS PA
19...253V AC
10...55V DC-PNP
19...253V AC bzw 10...55V DC
8/16mA, 11...36V DC
NAMUR
PFM
Ambient temperature-50 °C...+70 °C
(-58 °F...+158 °F)
Process temperature-60 °C...+280 °C
(-76 °F...+540 °F)
(300°C / 572°F, 50h cumulated)
Process pressure absolute / max. overpressure limitVacuum...100 bar
(Vacuum...1450 bar)
Min. density of medium0.5g/cm³ (0.4g/cm³ optional)
Main wetted parts316L / Alloy
PFA and Enamel on request
Process connectionThread:
G3/4A, G1A, R3/4", R1, NPT3/4, NPT1
Flange:
DIN DN25...DN100,
ASME 1"...4",
JIS 25A...100A
Sensor lengthLength 130mm (5.12") (Liquiphant II)
148mm...3000mm / 6000mm optional
(5.83"...118" / 236" optional)
CommunicationPROFIBUS PA
19...253V AC
10...55V DC-PNP
19...253V AC bzw 10...55V DC
8/16mA, 11...36V DC
NAMUR
PFM
Certificates / ApprovalsATEX, FM, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI
Safety approvalsOverfill prevention WHG
SIL

Design approvalsEN 10204-3.1
NACE MR0175, MR0103
ASME B31.3
AD2000

Marine approvalGL/ ABS
OptionsHeavy duty stainless steel housing mainly for the oil and gas industry
ComponentsFTL325P/FTL375P Interface PFM
FTL325N/FTL375N Interface NAMUR


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