Stilling Wells for Level Transmitters

Stilling Wells for Level Transmitters are designed to provide a stable and controlled environment for level transmitters, ensuring accurate and consistent liquid level measurements. These wells minimize the effects of turbulence, surface waves, and other dynamic conditions, enhancing the precision and reliability of level transmitters in various industrial applications.

The Stilling Well for Level Transmitters from IPS Automation is a level measurement
accessory designed to create a calm and stable measuring zone for level transmitters installed
on tanks, vessels, sumps, reservoirs, and process equipment. It is typically a vertical cylindrical
pipe or chamber installed inside the vessel, allowing the liquid level inside the well to match the
actual vessel level while reducing the effects of turbulence, waves, foam, agitation, vortex
formation, and surface disturbances.
Stilling wells are commonly used with radar level transmitters, guided wave radar, ultrasonic
level transmitters, float-based instruments, displacers, and other level measurement devices. By
isolating the transmitter from unstable surface conditions and providing a cleaner measurement
path, the stilling well helps improve signal stability, reduce false readings, and support accurate
level monitoring in demanding industrial applications.

Category
Manufacturing / Flow Measurement Solutions
Compatible Instruments
Signet 8900, 9900, 9950
Construction
Solid Bar Stock Machined
Documentation
Material test certificates and inspection reports available on request
End Connection
Flanged, Screwed / Threaded, Socket Weld, Butt Weld or customized
Installation
Pipeline, Tank & Vessel Mounting
Length
Customized based on tank height and measuring range
Material Options
SS316, SS316L, Carbon Steel, Monel, Hastelloy C, Inconel
Mounting Type
Direct Mount / Remote Mount
Opening Design
Holes, slots, segmented slots, or customized perforation pattern
Optional Features
Drain connection, vent connection, differential pressure tapping, quick-opening cover
Pipe Size
Customized as per transmitter type, nozzle size, and application requirement
Pressure Rating
ANSI / ASME class rating as per application
Suitable Media
Liquids, gases, and steam
Temperature Rating
As per material and process condition
Testing
100% Factory Pressure Tested

6.-STILLING-WELL.pdf

PDF, 2 MB

Better Accuracy in Difficult Conditions

By creating a calm internal measuring zone, the stilling well helps minimize false echoes, signal noise, and reading fluctuations caused by foam, bubbles, vortex formation, or moving liquid surfaces.

Durable Industrial Construction

Corrosion-resistant materials ensure long-lasting performance in harsh industrial environments.

Improved Measurement Stability

Stilling wells reduce the effect of turbulence, waves, agitation, and surface fluctuations, helping level transmitters produce stable and repeatable readings.

Protects Level Instruments

The well helps shield probes, floats, and sensors from excessive movement, vibration, impact, and direct process disturbance, improving instrument reliability and service life.

Reduces False Readings and Alarms

A stable measuring column helps reduce unstable signals and false level alarms, supporting smoother process control and safer plant operation.

Suitable for Multiple Level Technologies

Stilling wells can be used with several level measurement technologies, including radar, ultrasonic, guided wave radar, float, displacer, capacitance, and level switch systems.

Useful in Tanks with Obstacles

Stilling wells provide a defined measurement path for transmitters in tanks with agitators, baffles, heating coils, inlet streams, floating roofs, or other internal obstructions.

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