Endress Hauser Vibronic Point Level Detection Liquiphant FTL50 FTL51 FTL51B FTL51C FTL62 FTL64 FTL70
Endress+Hauser Liquiphant FTL51B Vibronic Point Level Switch
Product Overview
The Endress+Hauser Liquiphant FTL51B is the latest generation vibronic point level switch designed for reliable and safe liquid level detection in industrial processes. As part of the Proline family, the FTL51B combines high measurement stability, digital connectivity, and diagnostic intelligence, making it ideal for safety-critical applications such as overfill protection and pump dry-run protection.
With Heartbeat Technology, the FTL51B offers continuous self-monitoring and easy verification without interrupting the process. Its robust stainless-steel construction and broad operating ranges make it suitable for chemicals, oil & gas, energy, water treatment, and hygienic industries.
Key Features
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Advanced Vibronic Detection: Works reliably regardless of viscosity, density, or conductivity.
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Heartbeat Technology: Continuous diagnostics and easy verification for improved safety.
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Digital Connectivity: HART, IO-Link, and other digital communication options available.
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High Safety Integrity: SIL2/SIL3-certified for protection applications.
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No Calibration Required: Simple and maintenance-free installation.
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Harsh Environment Compatibility: Operates under high temperature and high pressure.
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Robust Stainless Steel Sensor: Long service life even in aggressive liquids.
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Predictive Maintenance: Early status warnings reduce downtime.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | Liquiphant FTL51B |
| Measurement Principle | Vibronic point level detection |
| Media | All types of liquids |
| Process Temperature | –50°C to +150°C (depending on version) |
| Process Pressure | Up to 100 bar |
| Material | Stainless steel sensor and process connection |
| Communication | HART, IO-Link, relay, NAMUR |
| Certifications | SIL2 / SIL3, ATEX, IECEx (variant dependent) |
| Process Connections | Threaded and flanged options |
| Housing | Aluminum, coated aluminum, or stainless steel |
| Applications | Overfill protection, dry-run protection, safety monitoring |
Applications
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Chemical and Petrochemical Plants
Ideal for storage tanks, reactors, and corrosive liquids. -
Oil & Gas Industry
Trusted for high-pressure process vessels and safety loops. -
Water & Wastewater Treatment
Used for pump stations, basins, and level safety control. -
Energy and Power Plants
Suitable for boiler systems and hot liquid detection. -
Food & Beverage
Reliable even in viscous media and hygienic environments.
Advantages
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SIL-certified for high process safety
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Immune to foam, turbulence, and gas bubbles
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Minimal maintenance with no mechanical wear
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Accurate point detection under all process conditions
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Digital verification without removing the device
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Supported by Dr. Industry Group’s global supply and engineering team
Why Purchase from Dr. Industry Group
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Large inventory of Endress+Hauser level instruments
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Fast international delivery to Middle East, Southeast Asia, Central Asia
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Professional support from experienced automation engineers
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Competitive pricing and stable supply for OEM and EPC customers
Contact Email: edwardzhao@gbsxj.com
Phone/WhatsApp: +86-15000725058
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.