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Seal vent opening -Ingersoll Rand Sierra SH300

Seal vent opening -Ingersoll Rand Sierra SH300

Seal vent opening -Ingersoll Rand Sierra SH300

We have oil free package Ingersoll Rand Sierra SH300 and observed that 1st stage airend and 2nd stage airend seal ports are blowing heavily hot air. Is this a normal phenomenon? please see the attached photo.

I understand, this ports(openings) will leak only whenever there is a seal failure. however vendor advised, they shall have air blow even during normal running.

RE: Seal vent opening -Ingersoll Rand Sierra SH300

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