Used in air conditioning and ventilation systems for connection between rectangular ducts and circular ducts.
The rectangular end is flanged, while the circular end is equipped with seal or is flanged, too, for connection to a fan unit.
RPA45 - Wall intake at 45°
CAP - Rainproof cap
RTE - T-piece
RCR - Reducing bend
RR - Reducer
RTB - T-piece at 45°
RPAA - Roof intake
RPRR - Transition piece, rectangular duct to flat surface
RRP - Y branch
RTR - T-piece - reducer
RPA135 - Roof intake at 135°
CPV - Plenum
RPRC - Transition piece, rectangular duct to circular surface
RFAR - Connection, vibration proof
RRL - Branch
RDSR - S-piece - reducer
ATZ - Rectangular Silencer
RC - Bend
RRB - Double branch
RT - Straight duct
RSD - S-piece
RCA - Cap