Flowline
Level transmitters, switches, and flow switches — plus a 285-chemical materials compatibility reference identifying where 316 stainless steel corrodes.
Flowline makes level transmitters (80 GHz radar, ultrasonic, submersible, guided wave), level switches, and flow switches, plus a 285-chemical materials compatibility table. The LD33 submersible with PTFE/FEP wetted material is named for corrosive chemical service, the LU10 is the only intrinsically safe switch, and 316 stainless is rated Corroded for 29 common chemicals.
What LibertyCES specifies from Flowline
LD33 is explicitly named for corrosive chemical service with PTFE/FEP wetted material; LD32 for wastewater lift stations.
LU10 is the only intrinsically safe switch in the line and named for chemical/solvent/light oil service; LZ12 is named specifically for wastewater.
Flowline — Real Catalog Spec Data
| Product Line | Model | Category | Material | Size / Capacity | Temp Rating |
|---|---|---|---|---|---|
| Level Transmitters | LR80/81/83/85 (80 GHz Radar) | Instrument | PVDF/PFA antenna | 32.8-393.7 ft range | 140F-248F |
| Level Transmitters | UG/US Series (Reflective Ultrasonic) | Instrument | PVDF transducer | 9.8-39.3 ft range | up to 176F |
| Level Transmitters | DX10/DL Series (Ultrasonic) | Instrument | PVDF | 1.25-5.5 m range | up to 140F |
| Level Transmitters | LD30-LD37 (Pressure/Submersible) | Instrument | 316 stainless, PVC, PUR, PTFE, or FEP | up to 34.65 ft range | - |
| Level Transmitters | LR15/16/20/21 (26 GHz Radar) | Instrument | 316L, optional PTFE | 65.6-98.4 ft range | up to 302F |
| Level Transmitters | LR36/41 (26 GHz Radar, Solids) | Instrument | 316L, optional PTFE dust shield | 49.2-229.7 ft range | 392F-752F |
| Level Transmitters | LG10 (Guided Wave) | Instrument | 316L probe | 9.8 ft range | up to 302F |
| Tank Level Monitors | HB01 | Instrument | IP67 enclosure | 1-4 BLE sensor inputs | - |
| Level Switches | AXXX/AX23/AX1X/AX13 (Corrosion Resistant) | Instrument | PP or PP/PVDF | top/wall mount | -40F to 176F |
| Level Switches | LU10 (Ultrasonic Switch) | Instrument | PP/PFA | universal mount | -40F to 176F |
| Level Switches | LZ12 (Vibration Switch) | Instrument | PP-Ryton | universal mount | -40F to 176F |
| Level Switches | LP15 (Capacitance Switch) | Instrument | PP | universal mount | -40F to 176F |
| Level Switches | LV10 (Buoyancy Switch) | Instrument | PP/PVDF | top mount | -40F to 176F |
| Level Switches | LO10 (Optic Leak Switch) | Instrument | PP/PFA | universal mount | -40F to 176F |
| Flow Switches | FT10 (Thermal Dispersion) | Instrument | PP/PVDF | 0.04-3 fps set point range | up to 140F |
Sourced from Flowline's own catalog documentation.
Related Manufacturers & Products
EchoSpan Ultrasonic Level Transmitter
General-purpose ultrasonic level transmitter with 1″/2″ NPT and flange-mount options.
Frequently Asked Questions
Is 316 stainless steel always safe for chemical service?
No — Flowline's own 285-chemical materials compatibility table rates 316SS as Corroded for 29 common chemicals, including sodium hydroxide, sulfuric acid, hydrofluoric acid, hydrogen peroxide, and hypochlorous acid. In nearly every one of those rows, PVDF or PTFE rates Excellent or Good instead.
Which Flowline sensor is rated for corrosive chemical service?
The LD33 pressure/submersible transmitter, with PTFE/FEP wetted material, is explicitly named for corrosive chemical service. The LU10 ultrasonic switch is the only intrinsically safe switch and is named for chemical, solvent, and light oil service.
What is the range of the Flowline LR85 radar level transmitter?
Up to 196.8 ft on solids or 393.7 ft on liquid, with a PFA-wetted antenna suited to low-dielectric-constant media — the longest range in the Flowline level transmitter line.
Get the right level sensor and wetted material for your chemistry
Ready to buy or need a fast answer? Call, text, or email James directly — (559) 395-5500 · [email protected].
Flowline models in the LibertyCES catalog
22 models across 7 product lines. For most models that state them (the middle 80%): temperature to 302°F (150°C). Extremes are in the table.
| Model / line | Type | Size / capacity / flow | Pressure | Temperature | Wetted material | Source |
|---|---|---|---|---|---|---|
| Level Transmitters LR80/81/83/85 (80 GHz Radar) | Instrument | 32.8-393.7 ft range | 140–248 °F (60–120 °C) | PVDF/PFA antenna | Flowline — Level Products | |
| Level Transmitters UG/US Series (Reflective Ultrasonic) | Instrument | 9.8-39.3 ft range | to 176 °F (to 80 °C) | PVDF transducer | Flowline — Level Products | |
| Level Transmitters DX10/DL Series (Ultrasonic) | Instrument | 1.25-5.5 m range | to 140 °F (to 60 °C) | PVDF | Flowline — Level Products | |
| Level Transmitters LD30-LD37 (Pressure/Submersible) | Instrument | up to 34.65 ft range | 316 stainless, PVC, PUR, PTFE, or FEP | Flowline — Level Products | ||
| Level Transmitters LR15/16/20/21 (26 GHz Radar) | Instrument | 65.6-98.4 ft range | to 302 °F (to 150 °C) | 316L, optional PTFE | Flowline — Level Products | |
| Level Transmitters LR36/41 (26 GHz Radar, Solids) | Instrument | 49.2-229.7 ft range | 392–752 °F (200–400 °C) | 316L, optional PTFE dust shield | Flowline — Level Products | |
| Level Transmitters LG10 (Guided Wave) | Instrument | 9.8 ft range | to 302 °F (to 150 °C) | 316L probe | Flowline — Level Products | |
| Tank Level Monitors HB01 | Instrument | 1-4 BLE sensor inputs | IP67 enclosure | Flowline — Level Products | ||
| Level Switches AXXX/AX23/AX1X/AX13 (Corrosion Resistant) | Instrument | top/wall mount | -40–176 °F (-40–80 °C) | PP or PP/PVDF | Flowline — Level Products | |
| Level Switches LU10 (Ultrasonic Switch) | Instrument | universal mount | -40–176 °F (-40–80 °C) | PP/PFA | Flowline — Level Products | |
| Level Switches LZ12 (Vibration Switch) | Instrument | universal mount | -40–176 °F (-40–80 °C) | PP-Ryton | Flowline — Level Products | |
| Level Switches LP15 (Capacitance Switch) | Instrument | universal mount | -40–176 °F (-40–80 °C) | PP | Flowline — Level Products | |
| Level Switches LV10 (Buoyancy Switch) | Instrument | top mount | -40–176 °F (-40–80 °C) | PP/PVDF | Flowline — Level Products | |
| Level Switches LO10 (Optic Leak Switch) | Instrument | universal mount | -40–176 °F (-40–80 °C) | PP/PFA | Flowline — Level Products | |
| Flow Switches FT10 (Thermal Dispersion) | Instrument | 0.04-3 fps set point range | to 140 °F (to 60 °C) | PP/PVDF | Flowline — Level Products | |
| Level Controllers & Indicators LI55/LC52/LI23/LI24 (for Transmitters) | Instrument | - | panel/rail mount enclosure | Flowline — Level Products | ||
| Level Controllers & Indicators LC40-42/LC10/LC11/LC0X (for Switches) | Instrument | - | panel/rail mount enclosure | Flowline — Level Products | ||
| Fittings & Enclosures Reducer Bushings/Adapters/Flanges | Fitting | 1"-6" | PVC, CPVC, 316 stainless, PTFE | Flowline — Level Products | ||
| Fittings & Enclosures Mounting Brackets & Pressure Mounting | Fitting | various NPT/G thread | PP, 316 stainless, PVDF | Flowline — Level Products | ||
| Fittings & Enclosures NEMA Enclosures | Enclosure | panel or 35mm rail mount | polycarbonate | Flowline — Level Products | ||
| Parts & Accessories Strobe Alert Alarms | Accessory | 85 dB | polycarbonate, IP65 | Flowline — Level Products | ||
| Parts & Accessories Switch-Pak/Smart Trak Fitting Components | Accessory | 2'-10' track lengths | PP, PVDF | Flowline — Level Products |
This table is part of the equipment catalog dataset (CSV and JSON).
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated