Tiny Engineered Nozzle Saves 91 SCFM for Engine Block Blow-Off

Drilled pipe

Air Box with homemade nozzles

Above, you see a photo of what our customer calls an “air box”. It is aptly named as it consists of approximately 65 homemade nozzles, connected to a large plenum, which are able to be aimed in a variety of directions to blow out the numerous holes that are machined into the bottom of an aluminum engine block.

The engine (1024x621)

Engine Block with multiple holes to be blown out

Each of the nozzles above were hand-made for the air box fixture with an internal hole diameter of 1.6 mm. and which produced a force of about 50 grams with 6 BARG inlet pressure. The goal of reviewing the application was to see what if any EXAIR nozzles could replace these custom-made units to produce an air savings and thus cost savings for operating their fixture.

1108ss_profile

Model 1108SS Super Air Nozzle

After determining that the existing nozzles consumed 4.1 SCFM @ 6 BARG inlet pressure, I was able to make a comparison to the Super Air Nozzles that make up the smaller end of our flow range. In comparing these nozzles, I was able to determine that the Atto Super Air Nozzle, model 1108SS consumes 2.69 SCFM @ 6 BARG and produces 61 grams of force per nozzle.

The calculated air savings between the existing nozzle and the EXAIR Super Air Nozzle was about 34%. That’s a savings of 1.4 SCFM per nozzle. In terms of sheer air volume, that’s not a lot, BUT when you multiply that up over 65 nozzles, total air savings is 91 SCFM. That is close to saving the full output of a 25 HP air compressor!

And so, if you run out the cost to operate a 25 HP air compressor for a year’s worth of production, the savings becomes quite clear that by simply swapping out these homemade nozzles for an engineered solution with EXAIR Super Air Nozzles, the customer can achieve their goal for reduction in air use. Not to mention a significant reduction in the noise level for the application as well as enhanced safety with OSHA compliant nozzles.

Do you have a blowing application that could benefit from the same kind of simple, swapping of nozzles to bring your production costs down? Give us a call and let us know about your application. We would be happy to discuss with you and provide a similar comparison to determine how much air you could save!

Neal Raker, International Sales Manager
nealraker@exair.com
@EXAIR_NR

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