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TFLC Series Metal Tube Rotameters

Fully Functional Volumetric Flow Measurement
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  • Overview
  • Brief Tech-Parameter

TFLC is specialized in Pipe flow measurement of Liquid, Gas and Steam. According to the pushing force of the media, the float inside TFLC will move a distance which is in proportion to the pushing force. The Magnetic Drive System of TFLC will calculate the flow value. The flow value can be directly shown on the Dial Indicator of the enclosure, or can be processed by the TFLC PCB and output current signal. In addition, TFLC is available for setting lower and upper flow-rate alarm.

- Well Stamping Molded and Polished, meet sanitary standard
- Intrinsic Safety + Explosive Proof, 4-20mA (2-wire) / HART
- Alarming Switch is optional
- Lithium Battery is optional

Model TFLC
Media Available Liquid, Gas, Steam
Measuring Range
(media in standard condition)		 Water: 20 0C (10-300000) L/h
Air: 0.1013MPa, 20 0C (0.7-3000) m3/h
Rangeability 10:1
Class of Accuracy On-Site Type Mechanical Dial Display 1.0 F.S, 1.5 F.S, 2.0 F.S, 2.5 F.S
Digital Display / (optional for battery, 2 years) 1.0 F.S, 1.5 F.S, 2.0 F.S, 2.5 F.S
Remote Type (Mechanical Dial + Digital) Display 1.0 F.S, 1.5 F.S, 2.0 F.S, 2.5 F.S
Media Tempt. (0C) On-Site Type Mechanical Dial Display -80 0C to + 300 0C (PTFE: 0 to 80 0C), Max.400 0C
Digital Display / (optional for battery, 2 years) -40 0C to + 120 0C (PTFE: 0 to 80 0C), Max.400 0C
Remote Type (Mechanical Dial + Digital) Display -40 0C to + 120 0C (PTFE: 0 to 80 0C), Max.400 0C
Ambient Tempt. (0C) On-Site Type Mechanical Dial Display -40 0C to + 120 0C
Digital Display / (optional for battery, 2 years) -20 0C to + 60 0C
Remote Type (Mechanical Dial + Digital) Display -20 0C to + 60 0C
Media Viscosity DN15 F15.00~F15.03η<5mPa.S,  F15.04~15.30η<30mPa.S
DN25 η<250mPa.S, F15.04~15.30η<30mPa.S
DN50~DN250 η<300mPa.S
Nominal Pressure DN15~DN50 Standard: 1.6MPa~4.0MPa Max. Pressure DN15: 42MPa, DN25: 42MPa, DN50: 32MPa)
DN65~DN250 Standard: 1.6MPa Max. Pressure DN80: 10MPa, DN100: 6.4MPa, DN125: 4.0MPa, DN150: 4.0MPa)
DN200: 2.5MPa, DN250: 2.5MPa
Process Connection Flange, Standard: DIN2501, ANSI, JIS, as required
Sanitary Clamping, Threaded Connection, as required
Electrical Connection 1/2 NPT, 3/4 NPT, 1/2G, 3/4G, M20x1.5
Installation Type Vertical Flow Direction: ↑, ↓
Horizontal Flow Direction: ←, →
Cross Side in Bottom Out, Bottom in Side out
Inlet Pipe Diameter ≥5D
Outlet Pipe Diameter ≥250mm
Enclosure Protection Grade IP67
Explosive-Proof Ex ia II CT5
Ex d II CT6
Intrinsic Safety Parameter Ui=28V Ii=93mA Pi= 0.65W Ci≤ 5nF Li =0mH
Safety Barrier Parameter Uo≤ 28V Io≤ 93mA Po≤ 0.65W Co≥ Ci+Cc, Lo≥ Li+Lc