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Extending Blast Hose Life

3 TIPS TO EXTEND BLAST HOSE LIFE

TIP 1

Jon, an Account Manager at BlastOne, previously sold a new blast pot to a client who refurbishes large construction equipment. Included in the package was a 50-foot piece of our best-selling 1 ¼” 2-ply hose, which was all the length they needed.

CASE STUDY PROBLEM: they called afterwards and were having issues with the screws stripping out of the coupling that connected to the metering valve. They first thought it was a defective hose, but a new hose didn’t solve the problem. We then discovered that they were moving the hose a lot, to climb on and around the machines, and there simply was more strain on the coupling than the 2-ply could handle.

SOLUTION: To solve the problem, we gave them a 6-foot piece of 1 1/2” 4-ply hose to use as the first section, then connected the main 50’ hose to that. That solved the problem. Note that we used a 1 ½” hose first, which matches the typical 1 ½” pusher line. So, our first suggestion is, if you are having issues with the hose connection at the metering valve, try adding a 4-ply 1 ½” section.

BLAST ROOMS:

Our recommendation for blast room customers is similar to this.  Ideally, blast pots are located outside the booth.  Use a short section of 4-ply hose for the first section thru the wall, then you can use the more flexible 2-ply hose for the whip.  This dramatically reduces wear at the point where the hose goes thru the wall.

Standard 50 foot, 1.25" 2-Ply blast hose set-up
Standard 50 foot, 1.25" 2-Ply blast hose set-up
Inserted a 6 foot, 1.5" 4-Ply section before standard blast hose
Inserted a 6 foot, 1.5" 4-Ply section before standard blast hose

TIP 2

Our second recommendation, which again is primarily directed to blast room customers, is a simple maintenance tip.  Every week or two, remove the blast hose from the metering valve, rotate it 180 degrees, and reinstall it.  This will reduce premature wear in a single spot and improve your hose life.

 

TIP 3

Our final recommendation is a best-practice tip on blast hose usage.  When blasting, try to lay out the blast hose in gentle curves, and try to avoid using hose that is unnecessarily long.  Not only does this reduce hose wear, but it also improves performance at the nozzle by reducing pressure drop.

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