Endress+Hauser Flowphant T DTT31 Thermal Flow Switch (DTT31-A3A111DE2BAB)
The Endress+Hauser Flowphant T DTT31 (part number DTT31-A3A111DE2BAB) is an intelligent, compact thermal flow switch engineered for precise monitoring, display, and measurement of relative mass flow rates in liquid media. Featuring an insertion probe length of 50 mm ($1.97\text{»}$) and a $6\text{ mm}$ probe diameter, this thermal sensor provides continuous flow detection with virtually no process pressure loss. It is equipped with an integrated digital LED display and a $310^\circ$ rotatable housing for optimal readability in tight process installations.
Technical Specifications
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Manufacturer: Endress+Hauser
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Part Number / Order Code: DTT31-A3A111DE2BAB
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Product Line: Flowphant T DTT31
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Measurement Principle: Thermal mass flow sensing
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Flow Measuring Range: $0.03\text{ to }3\text{ m/s}$ ($0.1\text{ to }9.84\text{ ft/s}$) for liquid media
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Insertion Probe Length: $50\text{ mm}$ ($1.97\text{»}$)
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Probe Diameter: $6\text{ mm}$
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Process Connection: NPT $1/2\text{»}$ male thread (ANSI)
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Electrical Connection: Valve plug ISO4400 / NPT $1/2\text{»}$
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Wetted Materials: 316L stainless steel probe construction
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Process Pressure Range: Vacuum up to 100 bar abs ($1,740\text{ psi}$)
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Medium Temperature Range: $-20\text{ to }+85\ ^\circ\text{C}$ ($-4\text{ to }+185\ ^\circ\text{F}$); CIP cleanable to $+130\ ^\circ\text{C}$ ($+266\ ^\circ\text{F}$)
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Display & Local Interface: Integrated digital display with 3-key operation and rotatable housing
Commercial Key Benefits & Applications
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Virtually Zero Pressure Loss: Thermal insertion design monitors flow velocities without introducing mechanical obstruction or head loss into the pipeline.
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Industrial Cooling & Lubrication Monitoring: Ideal for tracking cooling water circuits, heat exchangers, pump dry-run protection, and lubrication loops across process industries.
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Flexible Onsite Display & Operation: Rotatable display and housing allow easy reading and parameter setup regardless of piping orientation.
Order Information & Commercial Advisory
We offer dedicated commercial support to assist process engineers, plant managers, and procurement specialists in sourcing genuine Endress+Hauser flow instrumentation. Contact our sales department today to check real-time inventory, receive immediate price quotations, and arrange express worldwide shipping for your facility.
