Truflo TK3B Series In-Line Paddle Wheel Flow Meter
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The Truflo TK3B Series In-Line Paddle Wheel Flow Meter provides precision flow measurement in a durable 316 stainless steel body. With ±0.5% accuracy and the ShearPro® design, this battery-powered flow meter is perfect for food, beverage, and chemical processing applications. Available with NPT, flanged, or sanitary connections, it comes with a lifetime warranty on the paddle wheel assembly.
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OVERVIEW
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SPECIFICATIONS
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MODEL NUMBERS
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APPLICATIONS
Manufacturer: Icon Process Controls Ltd.
Product Type: In-Line Paddle Wheel Flow Meter Sensor
Applications: Food and beverage, chemical processing, harsh industrial environments
Key Features:
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±0.5% linearity and repeatability for high accuracy flow measurement
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ShearPro® design reduces drag by 78% (NASA “Shape Effects on Drag”)
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Battery-powered (CR2477T lithium battery) with >1-year life in normal mode
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True union design (½” – 2”) and flanged connection (3” – 4”) for easy installation
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NEMA 4X | IP 66-rated high-impact enclosure for durability
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| General | |
| Operating Range | 0.3 to 33 ft/s (0.1 to 10 m/s) |
|---|---|
| Pipe Size Range | ¼” to 4″ (DN08 to DN100) |
| Linearity | ±0.5% of F.S @ 25°C / 77°F |
| Repeatability | ±0.5% of F.S @ 25°C / 77°F |
| Wetted Materials | |
| Sensor Body | PVC (Dark) | PP (Pigmented) | PVDF (Natural) | 316SS |
| O-Rings | FKM | EPDM* | FFKM* |
| Rotor Pin / Bushings | Zirconium Ceramic (ZrO₂) |
| Paddle / Rotor | ETFE Tefzel® |
| Electrical | |
| Operating Voltage Battery | 3.0 VDC |
| Battery | Lithium Battery (CR2477) |
| Life of Battery | > 1 Year Normal | > 2 Years Eco Mode |
| Max. Temperature/Pressure Rating – Standard and Integral Sensor | Non-Shock | |
| PVC | 180 Psi @ 68°F | 40 Psi @ 140°F 12.5 Bar @ 20°C | 2.7 Bar @ 60°C |
| PP | 180 Psi @ 68°F | 40 Psi @ 190°F 12.5 Bar @ 20°C | 2.7 Bar @ 88°C |
| PVDF | 200 Psi @ 68°F | 40 Psi @ 240°F 14 Bar @ 20°C | 2.7 Bar @ 115°C |
| 316 SS | 300 Psi @ 180°F | 40 Psi @ 300°F 21 Bar @ 82°C | 2.7 Bar @ 148°C |
| Operating Temperature | |
| PVC | 32°F to 140°F (0°C to 60°C) |
| PP | -4°F to 190°F (-20°C to 88°C) |
| PVDF | -40°F to 240°F (-40°C to 115°C) |
| 316 SS | -40°F to 300°F (-40°C to 148°C) |
| Display | |
| LCD | Flow Rate + Flow Totalizer |
| Standards and Approvals | |
| Certifications | UL | CE | RoHS Compliant |
*Optional
**¼” – ⅜” SS Only
PVC Model Selection
| Size | End Connections | Part Number |
|---|---|---|
| ½” | Sch 80 Soc | TKB-15-P |
| ¾” | Sch 80 Soc | TKB-20-P |
| 1″ | Sch 80 Soc | TKB-25-P |
| 1 ¼” | Sch 80 Soc | TKB-40-P |
| 2″ | Sch 80 Soc | TKB-50-P |
| 3″ | Flanged | TKB-80-P |
| 4″ | Flanged | TKB-100-P |
PP Model Selection
| Size | End Connections | Part Number |
|---|---|---|
| ½” | NPT | TKB-15-PP |
| ¾” | NPT | TKB-20-PP |
| 1″ | NPT | TKB-25-PP |
| 1 ¼” | NPT | TKB-40-PP |
| 2″ | NPT | TKB-50-PP |
| 3″ | Flanged | TKB-80-PP |
| 4″ | Flanged | TKB-100-PP |
PVDF Model Selection
| Size | End Connections | Part Number |
|---|---|---|
| ½” | NPT | TKB-15-PF |
| ¾” | NPT | TKB-20-PF |
| 1″ | NPT | TKB-25-PF |
| 1 ¼” | NPT | TKB-40-PF |
| 2″ | NPT | TKB-50-PF |
316 SS Model Selection
| Size | End Connections | Part Number |
|---|---|---|
| ½” | NPT | TKB-08-SS |
| ¾” | NPT | TKB-10-SS |
| 1″ | NPT | TKB-15-SS |
| 1 ¼” | NPT | TKB-20-SS |
| 1 ½” | NPT | TKB-25-SS |
| 2″ | NPT | TKB-40-SS |
| 3″ | NPT | TKB-80-SS |
| 4″ | NPT | TKB-100-SS |
Note: PVC Socket Ends (Std), PP/PVDF NPT Ends (Std)
The Truflo TK3B Series In-Line Paddle Wheel Flow Meter excels in:
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Food and Beverage: Sanitary connections for hygienic applications
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Chemical Processing: 316 SS body handles corrosive liquids
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Harsh Environments: Durable design for industrial fluid management