Pump Float Switches & Water Level Control
Dura Pump supplies float switches for pumps and wider level control solutions for automatic pump operation and protection. From a single low-level pump float switch or control float through to an integrated level control system, these products can be used to monitor liquid levels and provide the signals required to control pumps safely and efficiently.
Our range of pump float switches and level controls can support applications including pump stations, low-water cut-off and process system control, with solutions available according to the level of monitoring and control required.
- Automatic pump station level control
- Low-water cut-off and pump protection
- High and low water level monitoring
- Process system level control
Float Switches & Level Control Options
Pump Float Switches & Control Floats
Pump float switches, also known as control floats, are hanging level switches that respond as the liquid level within a tank or pump chamber rises and falls. They provide a simple and economical method of controlling pumps or providing a water level signal.
A single float level switch can provide basic level control, while multiple pump float switches can be used to provide different signals or control points, such as high-level warning, low-level cut-out and duty assist. This makes float switches suitable for a wide range of automatic pump control and level-monitoring applications.
Submersible Pressure Transducer
A submersible pressure transducer sits at the bottom of the tank and measures pressure, allowing the liquid level to be monitored continuously. The sensor can communicate with a PLC or control system to manage pump operation and provide more detailed monitoring than a standard float switch system.
Pressure transducers can be particularly useful where continuous level information or more flexible pump control is required.
Ultrasonic Level Control
Ultrasonic level control uses a sensor positioned above the liquid to monitor the level using ultrasonic waves. As the sensor does not need to come into contact with the fluid, it provides a non-contact method of level monitoring and can provide a digital reading of the liquid level.
Ultrasonic control can be suitable for adoptable pump stations and applications where conditions such as high turbulence or high fat content may make conventional float level switches less suitable.
How Does a Pump Float Switch Work?
A pump float switch responds to changes in the liquid level within a tank, sump or pump chamber. As the liquid rises or falls, the float changes position and provides a signal that can be used by the pump control system.
Depending on the configuration, a float switch for a pump can be used to start or stop pump operation, provide a low-water cut-off or trigger a high-level signal. Multiple control floats can also be installed at different heights to provide several control points within the same system.
Float Level Switches for Water Level Monitoring
Float level switches provide a straightforward way to monitor water and other liquid levels within tanks, sumps and pump chambers. As the liquid level changes, the floating level switch can provide a corresponding signal to the pump or wider control system.
Water level switches can be used individually for simple level detection or as part of a multiple-float arrangement where different water levels require different pump actions or alarms.
Let’s Talk Pressure, we understand that every facility has unique demands. speak with a system expert today and get a recommendation built around your environment.
Pump Float Switch FAQs
A pump float switch is a level-control device that responds as the liquid level within a tank, sump or pump chamber rises or falls. The signal from the switch can be used to control pump operation or provide a high- or low-level indication.
A float switch for a pump can be used to provide automatic level-based control. Depending on the system configuration, it can help start or stop a pump, provide low-water cut-off or trigger a high-level signal.
The terms float switch, float level switch and floating level switch are often used to describe similar types of liquid-level control devices. The exact design and function can vary, but they all use changes in liquid level to provide a switching or control signal.
Yes. A float switch can be configured as a low-level control to provide a signal when the liquid falls below a set point, helping protect the pump or system from operating under unsuitable conditions.
Yes. Multiple control floats can be positioned at different levels within a tank or pump chamber. This allows different signals to be generated for functions such as low-level cut-out, pump start, duty assist and high-level warning.
The appropriate pump float switch depends on the type of pump system, the required switching points and the level of control or monitoring needed. Dura Pump can advise on whether a single float switch, multiple pump float switches or another level-control solution is most suitable.
