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Check for Wear on Blast Nozzles Weekly


Keeping an eye on your blast nozzles and replacing them frequently will make your blasting experience more effective and more productive than the people who will try to get a few extra weeks use out of them.

Less work and slow blasting can be caused by the loss of blasting effectiveness. That is caused by an inconsistent blast pattern and a slowed abrasive speed. This is what a worn blast nozzle can do because as it wears, the air speed drops.

When a nozzle does not get replaced in good time, the hole gets bigger and more air must be used to keep the air speed up. The Blaster using that nozzle will feel like they are fatiguing faster and taking longer. Not only the Blaster but also the air compressor will be working harder and using more fuel, increasing the costs of the blasting project. To hang on to an old blast nozzle is to cost 10,15 or even 20 percent more.

THERE IS A 1.5% LOSS IN EFFICIENCY WITH EVERY 1PSI BELOW 100PSI

It is best to remember that you lose 1.5% of efficiency with every 1 PSI below 100 at the blast nozzle. Take this example, if you have lost 20 PSI and you are blasting at 80 PSI, you have already lost 30% of your efficiency. That is over a day and a half each week.

A NOZZLE ANALYZER GAUGE

Thankfully you can tell easily if you have a nozzle analyzer gauge. Use it weekly to measure your nozzle.

WHEN IS THE BEST TIME TO REPLACE THE NOZZLE?

When your nozzle is worn to 1/16th of an inch, it is time to replace it.

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