Liquid Level Control
At Control Design Supply, we offer a wide range of liquid level controls designed to provide accurate monitoring and reliable management of fluid levels in tanks, reservoirs, sumps, and process systems. From simple float switches to advanced conductivity probes and level relays, our solutions help ensure operational efficiency and safety across a wide range of industries.
Whether you're automating a water treatment plant, monitoring coolant levels in manufacturing equipment, or managing chemical storage systems, our liquid level control products are engineered for dependable performance in even the harshest environments. Control Design Supply is here to help with any of your controls needs, contact us with any questions you may have!
Whether you're automating a water treatment plant, monitoring coolant levels in manufacturing equipment, or managing chemical storage systems, our liquid level control products are engineered for dependable performance in even the harshest environments. Control Design Supply is here to help with any of your controls needs, contact us with any questions you may have!
What Are Liquid Level Controls?
Liquid level controls are devices used to detect, monitor, and regulate the level of liquids in a container or process system. These controls can trigger pumps, alarms, or shutoff valves based on preset level thresholds. They're vital in preventing overflow, dry running, and system failures in a wide range of fluid-handling applications.Common types include:
- Float Switches – Mechanical or magnetic switches that activate based on the liquid's rise or fall.
- Conductivity Probes – Use electrical conductivity to detect the presence or absence of liquid at specific heights.
- Ultrasonic & Capacitive Sensors – Non-contact sensors used for hygienic or hazardous environments.
- Level Relays & Controllers – Interpret sensor signals and control external devices like pumps or alarms.
Applications of Liquid Level Controls
Liquid level control devices are used across numerous industries, including:- Water & Wastewater Treatment – Manage tank levels, pump stations, and stormwater systems.
- Manufacturing & Automation – Monitor coolant, lubricant, or chemical levels in equipment.
- Food & Beverage – Control sanitation and ingredient tanks with hygienic sensors.
- Oil & Gas – Safely monitor fuel, oil, or chemical storage levels.
- HVAC Systems – Regulate condensate and chilled water levels in commercial systems.
Why Accurate Level Control Matters
In many industrial settings, improper liquid level management can result in serious operational issues—ranging from pump damage and downtime to environmental hazards or regulatory non-compliance. Implementing the right level control system minimizes risk, reduces maintenance, and improves overall process control.Benefits include:
- Preventing overflow or dry-run pump damage
- Ensuring continuous operation of critical systems
- Automating tank refills or emptying
- Enhancing workplace safety
- Improving regulatory compliance
Choosing the Right Liquid Level Control System
Selecting the right control system depends on several key factors:- Liquid type (e.g., water, oil, corrosive chemicals)
- Tank material and dimensions
- Mounting requirements (top, side, vertical)
- Environmental conditions (temperature, pressure, explosion-proof ratings)
- Required control function (monitoring only vs. automation)