The Difference Between Proof And Burst Pressure

Sára Vass/ September 1, 2020/ General Article/ 0 comments

Burst Pressure

When it comes to pressurized lines, it’s very important to make sure that they are operating at peak efficiency. The way to find this out is by doing pressure testing. Pressure testing can be done as a proof pressure test, or as a burst pressure test. But what’s the difference between the two? Let’s dive into the main differences between these two types of testing. 

Proof Pressure

A proof pressure test will test the maximum pressure that may be applied to a line without changing its performance. Once a sensor is exposed to an overpressure under the proof pressure limit, the device will return to its normal state and function properly. One simple way to remember proof pressure is that it is testing the upper limit of the device’s pressure range for normal function.

Burst Pressure

Burst pressure is the maximum pressure that can be applied to a system without physically damaging the internal sensing component. Another way of stating this is that burst pressure is the maximum amount of pressure a device will take before it fails.

Common systems that are tested with these types of pressure tests include fire trucks, pumps, oil, and gas lines. Any system that has pressure could benefit from having one of these tests done to make sure that pressurized lines haven’t been compromised and are working properly. This sort of testing can quickly root out parts of the system that are at greater risk of failing, which can give you a heads up when it comes to repairs. Fixing these issues now can help to avoid costly repairs down the road if left unattended.

As you can see, having the ability to test the pressurization of a system is extremely valuable from a cost perspective. If you haven’t had your systems tested recently, now is the time to get tested.

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