Inside Hydrant Flow Tests

Inside Hydrant Flow Tests

Running hydrant flow tests is vital to ensure that there’s a proper water supply in place in case of an emergency, and testing can be pretty simple although most people might not understand it. Fortunately, a video on their Youtube channel called “Hydrant Flow Testing” describes the process done by the Grapevine Fire Department. Let’s find out more!

Hydrant Flow Tests

Firstly, it’s important to follow certain safety procedures such as wearing a vest and gloves, ensuring that the water flow will not cause problems downstream, etc.

Secondly, you’re going to need some equipment like an orange diffuser for pitot reading on the reference hydrant, a pressure gauge for static and residual on the test hydrant, several wrenches, a wire brush, hydrant oil, portable radio, and bolt cutters.

You need to place the diffuser and pressure in the proper hydrant, you have to ensure that the 4.5″ and 2.5″ outlets are tight, and then open the 2.


Video Source

5″ cap. Afterward, you can open the hydrant to flush the water until it’s clear. Close it. Then, place the pressure gauge and open the hydrant again. You only need to let go of the air and read the static pressure.

Check out the rest of the video for more details and remember not to do this unless you’re with an expert in the matter!

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