linear grilles linear grillessregisters, diffusers& slot diffusers

Sizing of a linear slot diffuser & calculating its area factor - HVAC-Talk linear slot diffuser cfm chart KFD model, linear slot diffuser for variable and constant volume designed especially to maintain the ceiling effect even with primary air flows linear slot grill slots wide and 15 feet long is selected for 1425 cfm of supply air 1425÷15 = 95 cfm per foot From the performance chart, the NC value is 22

linear slot diffuser sizes Fixing a linear slot diffuser to a plenum Box by a mean of flat Bar SLOTS CFM Per Foot Ak Pt Th NC Ak Pt Th NC Ak Pt Th NC 15 1-4-8 17 23