Detecting Water Flow Through Pipe

In summary, the conversation was about finding a way to detect water flow through a pipe without having to submerge anything in the tank or insert it into the water line. Some suggestions included drilling a tiny hole in the piping and taping a bag over it to detect inflation, using a tire pressure gauge to measure pressure changes, checking pipe temperature, and using a non-intrusive flow switch based on the Doppler or Ultrasonic principle. The conversation also brought up concerns about causing constant flow with the suggested methods.
  • #1
ssmith579
3
0
I'm looking for a way to detect water flow through a pipe. For example, I want to detect when a toilet flushes or leaks. I'm looking for a way to detect this that doesn't require anything submerged in the tank or inserted into the water line. I really just want to know that water is flowing I don't care about flow rate. Any suggestions would be appreciated.

Steve
 
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  • #2
The most reliable way would be to drill a tiny hole in the piping (PVC?) on the up side (away from the direction of gravity) and somehow tape a bag over top of the hole. The bag should inflate when there's flow. You could also just put a tire pressure gauge into the hole. Change in pressure would indicate flow. Just make sure both are secured so you don't cause a leak.

If the flow is constant you could check the pipe temperature. It should be a bit cooler than room temperature if it's house water. You could also check for any vibrations in the piping.
 
  • #3
Not sure of your budget and other requirements, but you can use a "non-intrusive" flow switch based on the Doppler or Ultrasonic principle. Do an internet search for non intrusive flow switch and you will find many producs.
 
  • #4
mrmiller1 said:
The most reliable way would be to drill a tiny hole in the piping (PVC?) on the up side (away from the direction of gravity)

Wouldn't this cause it to flow all the time? :bugeye:
 

What is the purpose of detecting water flow through a pipe?

The purpose of detecting water flow through a pipe is to monitor and measure the amount of water that is moving through the pipe. This information can be used for various purposes such as identifying leaks, optimizing water usage, and maintaining the overall health of the pipe system.

What methods are used for detecting water flow through a pipe?

There are several methods that can be used for detecting water flow through a pipe. These include flow meters, pressure sensors, acoustic sensors, and visual inspections. Each method has its own advantages and limitations, so it is important to select the most suitable method based on the specific needs and requirements of the situation.

How accurate are the results of water flow detection?

The accuracy of water flow detection depends on the method used and the condition of the pipe system. Generally, flow meters and pressure sensors provide more accurate results compared to acoustic sensors and visual inspections. However, regular maintenance and calibration of the detection equipment can also improve the accuracy of the results.

What are the common challenges in detecting water flow through a pipe?

Some of the common challenges in detecting water flow through a pipe include blockages, irregular flow patterns, and external factors such as temperature and pressure changes. These challenges can affect the accuracy of the results, so it is important to carefully consider them when selecting a detection method and interpreting the data.

How can the data from water flow detection be used?

The data from water flow detection can be used for various purposes, such as identifying leaks, optimizing water usage, and predicting potential issues in the pipe system. It can also provide valuable insights for improving the overall efficiency and effectiveness of the water distribution system. Regular monitoring and analysis of the data can help in identifying patterns and trends, leading to proactive maintenance and cost savings in the long run.

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