S Y M B O L M E A N IN G P O IN T O F C H A N G E IN D U C T C O N S T R U C T IO N (B Y S TAT IC PR ESSU R E C LASS) D U C T (1 S T F IG U R E , S ID E S H O W N 2 N D F IG U R E , S ID E NOT SHOW N) A C O U S T IC A L L IN IN G D U C T D IM E N S IO N S F O R N E T FREE AREA D IR E C T IO N O F F L O W

SYM BO L

S Y M B O L M E A N IN G S U P P LY G R IL L E (S G ) R E T U R N (R G ) O R E X H A U S T (E G ) G R IL L E (N O T E AT F L R OR CLG) S U P P LY R E G IS T E R (S R ) (A G R IL L E + IN T E G R A L V O L . CO NTR OL) E X H A U S T O R R E T U R N A IR IN L E T C E IL IN G (IN D IC AT E TYPE)

SYM BO L 20 x 12 S G 700 C FM 20 x 12 RG 700 C FM 20 x 12 SR 700 C FM 20 x 12 GR 700 C FM 20 700 C FM 12 x 12 700 C FM

20 x 12 …ver más…

N O T E F.O .T. F L AT O N T O P O R F.O .B . F L AT O N B O T T O M IF A P P L IC A B L E S TA N D A R D B R A N C H F O R S U P P LY & R E T U R N (N O S P L IT T E R ) 4 5 IN L E T ì