FCI - Model FlexSwitch FLT93F -Flow Switch

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.

• Pump protection
• Safety spray nozzle monitoring
• Cooling water/heat exchangers
• Oil well system testing
• Drain line flow
• Relief valve monitoring

For 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]

• 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.

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)]

• Operating 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.

Factory 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.