The Y branch is used in HVAC systems for branching ducts with different sections, with the purpose of achieving an exhaust or a supply flow as homogenous as possible. Made of galvanized sheet steel.
RSD - S-piece
RPA45 - Wall intake at 45°
CPV - Plenum
RPAA - Roof intake
ATZ - Rectangular Silencer
RPRC - Transition piece, rectangular duct to circular surface
RTR - T-piece - reducer
RTB - T-piece at 45°
CAP - Rainproof cap
RCSS - Transition piece, rectangular to circular
RPRR - Transition piece, rectangular duct to flat surface
RT - Straight duct
RR - Reducer
RCR - Reducing bend
RC - Bend
RTE - T-piece
RCA - Cap
RRB - Double branch
RDSR - S-piece - reducer
RPA135 - Roof intake at 135°
RRL - Branch
RFAR - Connection, vibration proof