ACO Flow Control

Choose the type of Outlet Flow Control requiried

ACO Q-Brake (Vortex Flow Control)

Horizontal vortex flow control devices are water evacuation devices based on the fluid mechanics principle of the forced vortex. They allow greater water evacuation through smaller orifices with no moving parts.

ACO Q-Brake (Vortex Flow Control) Q Brake is custom designed, per outlet flow required. It utilizes the upstream head, and discharge, to generate a vortex in the unit. The unit allows higher outlet flow at lower water heads than an orifice plate. Ideal for flow rates up to 1585gpm.

ACO Q-Plate (Orifice Plate)

An orifice plate is a simple device that regulates stormwater flow from a manhole chamber. The hole in the plate is sized to the flow rate required.

Q Plate is an outlet plate manufactured from stainless steel which is ideal for high flow rates exceeding 1585 gpm. Q Plates are available with an emergency drain and bypass mechanism if needed.

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The ACO VFC software provides an Intuitive interface for input of parameters to achieve full design of ACO Q-Brake vortex flow controls or Q-Plate orifice plate. Results appear, along with the flow curve, instantaneously on screen, so changes can be made ‘on the fly’. The calculations have been developed from rigorous real world testing to give optimum combination of flow control dimensions to match the design parameters. Flow controls can be configured with a flat back to mount on a headwall or with a curved back to be installed directly on the wall of a chamber.

Custom Sizing

Custom sizes available for all site requirements and flow rates.

Easy Design

Intuitive interface allows for full design of flow controls and orifice plates

Downloadable Data

Full design details can be downloaded as a PDF for all projects.

Project filing

All designs from registered users are stored on a server and can be easily retrieved.