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Flow Switch Model FLT93F FlexSwitch®
Flow Switch Summary The FLT93F insertion type FlexSwitch for flow and
temperature monitoring represents the first true
technological breakthrough in thermal technology in over a
decade. This product was designed for heavy industrial
environments including high temperature and high pressure.
FCI is the only thermal manufacturer providing temperature
compensation to ensure set point accuracy for process
temperatures that vary up to ± 100° F.
The FLT93F offers fast response time and is suitable for
small process connections. This product is easily
field-configured or factory preset, providing unparalleled
flexibility, accuracy and stability for all multiple process
sensing and switching requirements.
For an operational demonstration of FCI's FLT93 FlexSwitch
Series, please follow this
link. |
Applications |
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 Pump protection |
Safety spray nozzle monitoring |
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Cooling water/heat exchangers |
Oil well system testing |
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Drain line flow |
Relief valve monitoring |
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SpecificationsFor Flow Service - Setpoint Range:
Water-based Liquids:
0.01 to 3.0 fps [0.003 to 0.9 mps] Must be validated
Hydrocarbon-based Liquids:
0.01 to 5.0 fps [0.003 to 1.5 mps] Must be validated
Air/Gas:
0.25 to 120 sfps [0.08 to 37 smps] at
standard conditions of 70° F [21.1° C] and 14.7 psia
[1.013 bar(g)].
Accuracy: (whichever reading is higher)
Liquids: ± 0.5% reading or ± 0.04 fps [± 0.012 mps]
Gases: ± 0.5% reading or ± 2 sfps [± 0.06 nmps]
For Temperature Service:
Accuracy: ± 2° F [± 1° C]
Repeatability: ± 1° F [± 0.6° C]
Response Time: As low as 0.5 seconds
Enclosure: Powder coated aluminum enclosure is rated for
hazardous location use Groups B, C, D, E, F and G, CENELEC
EEx d IIC and resists the effects of weather and corrosion
per NEMA/CSA Type 4X (equivalent to IP66). Stainless steel
is available as an option.
Agency Approvals: FM, CSA, CENELEC, ATEX, CE Mark, T4 Rated
(System Approval) and CRN.
Flow Element
Materials of Construction: All-welded 316L stainless steel
for all wetted surfaces. Hastelloy C,
Monel 400 and Titanium are available as an option.
Process Connection:
Standard: 0.75 inch male NPT.
Optional: 1 inch or 0.25 inch male NPT, flanges or
retractable sensing element.
Insertion Length:
1.2 inch [30 mm]
2 inches [51 mm]
4 inches [102 mm]
6 inches [152 mm]
9 inches [229 mm]
12 inches [305 mm]
18 inches [457 mm]
Customer specified lengths are available as an option.
Operating Temperature:
Standard: -40° to +350° F [-40° to +177° C]
Optional: -100° to +500° F [-73° to +260° C]
Operating Pressure: To 3500 psig [240 bar(g)]
Control CircuitOperating Temperature: -40° to +140° F [-40° to +60° C]
Input Power: Field selectable 115 ± 15 Vac or 230 ± 30 Vac
(50/60 Hz); 21 to 28 Vdc or 18 to 26 Vac; 7 watts maximum.
Relay Contacts: Field configurable dual SPDT or single DPDT
rated 6 amps at 115 Vac, 240 Vac or
24 Vdc. Hermetically sealed relays are available as an
option.
Output Signal: Analog DC voltage related to flow or
level/interface signal and proportional to temperature.
Electrical Connection: 1 inch female NPT
Remote Configuration: Available as an option with customer
specified interconnecting cable length. |
Optional N.I.S.T. Flow Calibration ServicesFactory N.I.S.T. calibration in air or water is available as
an option for customer specified setpoint(s) or a flow curve
based on the media ranges specified above.
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