A cooling tower float valve assembly is a small part that does a huge duty. It controls the makeup water that flows into the cooling tower basin, making sure that the system keeps the right water level for reliable and effective operation. If a float valve breaks or isn’t set up well, it can cause water loss, damage to the pump, and less effective cooling. Read on to learn more.
What Is Cooling Tower Float Valve Assembly?
There are many parts to a float valve assembly:
- A float that goes up and down with the level of the water in the basin
- A valve body that lets in and out the water for makeup
- A rod or link that connects the float to the valve
The water level in the basin goes down as the water in the cooling tower evaporates. The float rises and closes the valve when the right level is reached.
Why It’s Important to Control the Water Level Correctly
There are a number of reasons why it is important to keep the right water level in the basin:
- Keeping pumps safe
- When there isn’t enough water, pumps can cavitate, overheat, and break down too soon.
- Making sure that cooling works the same way every time
- Not enough water makes circulation and heat transfer less effective.
- Stop water waste and overflow
If a float valve doesn’t work right, it can cause the tank to fill up all the time and lose water that isn’t needed.
Different Types of Float Valves for Cooling Towers
Float valves are commonly used in cooling towers and are built of materials like:
- Brass
- Steel that doesn’t rust
- Plastic that is reinforced
The quality of the water, the chemical treatment, the temperature, and the climate all affect the choice of material. Stainless steel or heavy-duty industrial valves are frequently better for corrosive or high-temperature uses.
Signs of Float Valve Problems
Operators should check float valve assemblies on a regular basis for:
- Floats that stick or bind
- If there are leaks around the valve body
- Accumulation of minerals or corrosion
- Water levels in the basin are not always the same
Finding problems early can help avoid expensive shutdowns and water damage.
The valve itself is just as crucial as how it is installed. The float needs to be in the right place and set up so that the valve opens and closes at the right water level. Cleaning up scale accumulation, inspecting the float’s movement, and making sure the shutdown works are all things that should be done regularly.
We sell long-lasting cooling tower float valve assemblies at CoolingTowerProducts.com that are made to work reliably in industrial settings. Choosing the correct float valve helps keep water levels consistent, protects equipment, and makes the cooling tower work better overall.
If you are interested in purchasing float switches or valve supplies in Phoenix or anywhere else in the Valley call us today at 602-997-0403.
Universal Tower Parts In Phoenix, AZ
Universal Tower Parts provides stainless steel and galvanized options, welded and gasketed, direct, gear reducer and belt drive units, with efficient Jedair fans, and Jedair low noise fans. Strainers, fan guards and louvers are well constructed, and designed to operate efficiently as they perform their function. Cool Core drift eliminators and fill are made by Universal Tower Parts expressly for our towers.








