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.
RTB - T-piece at 45°
RSD - S-piece
RCA - Cap
RPRC - Transition piece, rectangular duct to circular surface
RRB - Double branch
RFAR - Connection, vibration proof
RDSR - S-piece - reducer
RTE - T-piece
RPA135 - Roof intake at 135°
ATZ - Rectangular Silencer
RPA45 - Wall intake at 45°
RCR - Reducing bend
CPV - Plenum
RRP - Y branch
CAP - Rainproof cap
RR - Reducer
RPRR - Transition piece, rectangular duct to flat surface
RC - Bend
RRL - Branch
RT - Straight duct
RTR - T-piece - reducer
RPAA - Roof intake