This configuration of model 1122 Flat Super Air Nozzles is used to cool pipe welds in an application located off the coast of France. Pipes with an OD of 450mm (~18”) are welded together, and in order for the welds to be of the highest quality, they must be cooled. To cool the welds, this customer needed to blow ambient temperature air over the pipes.
Initially, we explored a Super Air Wipe solution. A Super Air Wipe can provide a full 360° blow off for this pipe, but there was an aspect of the application which led to a better solution through nozzles; an irregularity in position of the pipe.
The diameter of the pipes in this application is relatively constant, but there is some fluctuation in position as the pipe is moved. If using a Super Air Wipe, this could mean contact with a precision machined surface, resulting in a change to the performance of the unit. But, what if we could find a way to allow the blow off solution to have some “flex”.
“Flex” in this solution is provided through the use of EXAIR model 9053 swivel fittings, shown above with red circles, each used to mount an 1122 Flat Super Air Nozzle (16 of each). These allow for proper placement of the nozzles, and also for movement if anything should ever contact the blow off solution.
An additional benefit of the EXAIR 1122 nozzles used in this application, is the ability to exchange shims inside the nozzle to increase or decrease the amount of force delivered from the nozzle.
Understanding the critical requirements of the customer led to this semi-custom solution using EXAIR Super Air Nozzles. If you‘d like to explore an EXAIR blow off solution for your application, contact an Vivek Engineers Application Engineer.
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