Pressure Decay Leak Testing in Automation
Pressure decay leak testing is an essential procedure for ensuring the quality of automated machinery. In this blog post, we’ll take a look at what pressure decay leak testing is, how it impacts machines, and how it can be repaired. By understanding the basics of pressure decay leak testing, you’ll have the information you need to make sure your automated machines are running safely and efficiently.
What is Pressure Decay Leak Testing?
Pressure decay leak testing in automation is a method of testing for leaks in a machine or system. It involves pressurizing the system, then measuring the rate at which the pressure decays over time. If the pressure drops too quickly, it indicates a leak. The test can be used to identify the exact location of the leak in the system and can help inform repair decisions.
Common Signs of A Leak
It’s important that you’re aware of common signs of a leak in order to keep your machines running properly before a more severe issue occurs. Some common signs include: decreased efficiency, increased noise, increased vibration, and the presence of oil or liquid around the machine. It is also important to check the temperature of the machine as a rise in temperature can also be an indication of a leak
The Testing Process
The testing process works by pressurizing a component or system with an inert gas such as nitrogen or helium. This pressurization creates a vacuum within the component or system and any existing leaks are exposed. The pressure is then monitored over time, and if the pressure drops too quickly, it indicates a leak in the system. The leak’s location can be identified by using specialized equipment such as ultrasonic sensors or mass spectrometers.
When performing a pressure decay leak test, there are several considerations that must be taken into account. First, the type of gas used must be determined based on the system being tested and its purpose. For example, a system intended for use with compressed air may require different testing conditions than one intended for use with water. Additionally, the pressure level and duration of the test must be determined based on the system’s design and purpose. Finally, all safety precautions must be observed to ensure that no harm is done to personnel or equipment.
When Should Pressure Decay Not Be Considered?
While pressure decay testing is helpful in many situations, it’s important to know when it should not be used. This includes:
- Applications using large test volumes
- Parts or tools that are not mechanically stable, such as those with flexible plastic components
- Parts or tools that do not have a stable temperature, such as from welding
Let Air & Hydraulic Help Keep Your Machines Safe
At Air & Hydraulic Equipment, Inc., we’re here to help you with any of your industrial automation needs. We offer custom engineering, programming, fabrication, and machining. Our certified team has the knowledge to create safe machines and keep them running smoothly.
