ACO Gully

Hydraulic flow rates

ACO Gully 157 - fixed height

ACO gully 157 fixed height
Flow rate [L/s]¹With Internal FAT²Without Internal FAT
DN 100Vertical3.512.0

ACO Gully 157 - adjustable height

ACO gully 157 adjustable height
Flow rate [L/s]¹With Internal FAT (min)With Internal FAT (max)²Without Internal FAT

DN 100
Horiz.2.83.310.2
Vert.3.54.012.6

ACO Gully 218 - fixed height

Flow rate [L/s]¹With Internal FAT²Without Internal FAT
DN 100Vertical4.612.1
DN 150Vertical4.625.8

ACO Gully 218 - adjustable height

Flow rate [L/s]¹With Internal FAT (min)With Internal FAT (max)²Without Internal FAT
DN 150Vertical5.05.527.1

¹ Based on tests carried out to EN 1253.
² Based on theoretical calculation with a 20mm head of water above grate.
Note: Fixed and removable strainers will reduce flow rates.
FAT denotes internal foul air trap.