Wyes are the fitting to use when you need to branch off your duct run to a smaller size. The sizes are listed for the inlet side, the discharge side and then the branch side. All wyes are manufactured from the highest quality galvanized steel. They are perfect fittings for maintaining maximum airflow through your system while branching off to multiple locations. — We recommend that you seal the seams with a after installation to prevent any air leakage, increase the efficiency of your system and reduce your utility bills. See installation tip for or, depending on which type you will be attaching to.

HVAC ASHRAE DFDB Help. The HVAC ASHRAE Duct Fitting Database (DFDB) universal app for the iPhone and iPad was developed for ASHRAE by Carmel Software Corporation. It allows you to perform pressure loss calculations for all 240+ supply, common, and return/exhaust ASHRAE fittings listed in the ASHRAE. Thai For Beginners Becker Pdf Editor there. This database, with cloud-based access by annual subscription, includes loss coefficient tables for more than 200 round, rectangular, and flat oval duct fittings. Purebeam.biz Ex4-to-mq4 Free here.