Level Instrument — Acids
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LibertyCES has documented Level Instrument in Acids service, including Corrosive chemical service. Wetted materials to confirm: PTFE, FEP, PVDF and 316SS. Documented models include Flowline LD33 pressure transmitter and Icon MLR-70 guided wave radar. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.
Notes from the vendor documentation
LD33 explicitly named for 'Corrosive chemical' service; MLR-70 named for Liquid Chemical Storage and Chemical Sumps.
Materials documented for this service
- PTFE
- FEP
- PVDF
- 316SS
Products cited for this service
Real Specifications
| Spec | Value | Source document |
|---|---|---|
| Flowline LD33 wetted material (corrosive chemical service) | PTFE/FEP | Flowline — Level Products |
| Flowline LD30-37 family max range | up to 34.65 ft | Flowline — Level Products |
| Icon MLR-70 range | 15 m | Icon Process Controls — Level Sensors, Sentinel Remote Monitoring, Level Displays |
| Icon MLR-70 probe material | FEP Teflon-coated probe | Icon Process Controls — Level Sensors, Sentinel Remote Monitoring, Level Displays |
| Icon MLR-70 enclosure | IP67 housing, powder-coated aluminum alloy | Icon Process Controls — Level Sensors, Sentinel Remote Monitoring, Level Displays |
| Icon MLR-70 output | 4-20mA standard, HART or Modbus/RS485 optional | Icon Process Controls — Level Sensors, Sentinel Remote Monitoring, Level Displays |
MLR-70 is a contact (guided-wave) probe, not non-contact — its FEP-Teflon coating is what carries the chemical-compatibility claim, since the powder-coated aluminum alloy housing never touches the process fluid. Confirm FEP compatibility against the specific acid before quoting rather than assuming the housing rating covers it.
A guided-wave radar probe's housing material and its wetted probe coating are two different compatibility questions — Icon's MLR-70 pairs a non-wetted aluminum enclosure with an FEP-Teflon-coated probe specifically because the probe is what sits in the acid, and Icon markets it by name for liquid chemical storage and chemical sumps rather than generic tank level. Liberty CES specs the wetted coating against the acid in question, not the enclosure rating.
Every material and product claim on this page traces to real, vendor-published documentation on file with LibertyCES. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.
FAQ
Can Level Instrument handle Acids?
LD33 explicitly named for 'Corrosive chemical' service; MLR-70 named for Liquid Chemical Storage and Chemical Sumps.
What wetted materials should Level Instrument use in Acids service?
Materials documented for this service: PTFE, FEP, PVDF, 316SS. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a spec review before final specification.
Which Acids chemicals does this cover?
Named chemicals in this documentation: Corrosive chemical service (general).
Which Level Instrument models are documented for Acids?
Documented examples include Flowline LD33 pressure transmitter, Icon MLR-70 guided wave radar.
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated