TinnerFlow™Airflow, TAB, Startup & Testing
CFM, airflow, TAB prep, startup checks, test holes, static pressure, fan performance, choking, separation, and noise.
Airflow, TAB, Startup & Testing questions
Where in the SMACNA manual do I find the gauge requirements for +4" WG static pressure duct?4th Year · Stop / VerifyWhere exactly should I drill the test holes for the balancer in the main trunk line?4th Year · Check firstHow do I perform a duct pressure test (leak test) with an orifice tube?4th Year · Stop / VerifyWhat do I do if a zone is starved for air and the balancer says my fitting is causing turbulence?4th Year · Check firstWhy do we need to install turning vanes in square-throat elbows, and how do they affect static pressure?4th Year · Check firstHow do I walk the job to punch-list my own work before the GC does?4th Year · Check firstWhy is a short expanding transition noisy or choking airflow?3rd Year · Check firstAn oversized first tap is starving the rest of the trunk3rd Year · Check firstA splitter damper blade breaks loose inside duct3rd Year · Check firstWhy would a large return duct implode or oil-can during commissioning?4th Year · Check firstDo duct silencers and sound attenuators have airflow direction?2nd Year · Check firstWhy do sharp offsets right at a VAV inlet cause bad CFM readings?3rd Year · Check firstWhy would a VAV show zero airflow even though the actuator is running?3rd Year · Check firstWhy did the adjustable gored 45-degree elbow crimp and shrink inside?2nd Year · Standard CorrectionWhy do turning vanes have to face the incoming airflow correctly?2nd Year · Check firstHow do I avoid the single-blade crimp slip-out?1st Year · Coordinate before final work