Stormwater flow control devices

Curved orifice plates in galvanised steel to restrict and regulate the flow of water: 100mm Galvanised Steel Curved Orifice Plate; 110mm Galvanised Steel Curved Orifice Plate; 150mm Galvanised Steel Curved Orifice Plate; 225mm Galvanised Steel Curved Orifice Plate; 250mm Galvanised Steel Curved Orifice Plate; 300mm Galvanised Steel Curved Orifice

Curved orifice plates in 304 stainless steel to restrict and regulate the flow of water. The opening in the plate can be manufactured to specified dimensions and positions. All necessary fixing materials and an EPDM seal with every orifice plate: 100mm Stainless Steel 304 Curved Orifice Plate; 110mm Stainless Steel 304 Curved Orifice Plate; 150mm

Hydro-Brake® Agile is a float-activated flow control that extends the Hydro-Brake® Flow Control Series. It can be engineered to achieve the lowest possible flood storage volumes in one simple, cost-effective and easy-to-install unit without any power requirements. It is ideally suited to Sustainable Drainage Systems (SuDS) compliance on new

Curved orifice plates in 316 stainless steel to restrict and regulate the flow of water. The opening in the plate can be manufactured to specified dimensions and positions. All necessary fixing materials and an EPDM seal with every orifice plate: 100mm Stainless Steel 316 Curved Orifice Plate; 110mm Stainless Steel 316 Curved Orifice Plate; 150mm

Flat orifice plates in 304 stainless steel to restrict and regulate the flow of water. The opening in the plate can be manufactured to specified dimensions and positions. All necessary fixing materials and an EPDM seal with every orifice plate: 100mm Stainless Steel 304 Flat Orifice Plate; 150mm Stainless Steel 304 Flat Orifice Plate; 225mm

The SDS vortex flow control is used to control the rate at which water is released from a stormwater storage system to downstream drainage systems. It is a self-activating device which controls the rate of water release by inducing a vortex motion. No external energy supplies are needed and it contains no moving parts. Units are equipped with a

Weholite Flow Control Chambers are manufactured and assembled off-site and are designed to meet project-specific requirements using a standard set of components. This improves site productivity, reduces installation time and construction materials, and provides major savings on programme costs. Having been prefabricated at the manufacturing plant

Hydro-Brake® Optimum is a self-activating vortex flow control with no moving parts and no power requirement. It is used to control the forward flow of water in both surface water applications and foul / combined applications to prevent flooding. With no moving parts and no power requirements, the Hydro-Brake® Optimum provides reliable

Althon provides manhole and pipe safety chains in galvanised steel to Highways F10 specifications for all standard diameter concrete pipes. Manhole safety chains can be made to order to suit any length. Fully compliant with Highways F10 specification; all components supplied in galvanised mild steel; supplied in kit form ready for quick assembly

Hydro-Brake® Flood is a vortex-controlled solution to fluvial flooding. It has no moving parts and no power requirements and is therefore low-maintenance. Ideal for controlling very large river and watercourse flows; from dispersed storage and control schemes with pass forward flow rates of just a few litres per second, to major dams controlling

Hydrotrench® is manufactured in the UK from end-of-life rubber tyres, supporting environmental sustainability. The modular design, reduced trench size and high permeability of the system delivers a long-lasting solution for cycle paths, footpaths, edges, landscapes, hard standings, paved areas and gardens. Working back from outfall, a narrow trench network is

ACO Q-Brake Vortex is a horizontal vortex flow control unit for regulating stormwater discharge to prevent downstream flooding. Made from grade 304 stainless steel, it is self-activating, low-maintenance, and custom-built to suit site-specific flow rates from 2–100 l/s and design heads up to 3m. Suitable for new and retrofit drainage schemes, it

Weholite CSO Control Chambers are manufactured and assembled off-site and are designed to meet project-specific requirements using a standard set of components. This improves site productivity, reduces installation time and construction materials, and provides major savings on programme costs. Having been prefabricated at the manufacturing plant

Orifice plates in galvanised steel to restrict and regulate the flow of water. The opening in the plate can be manufactured to specified dimensions and positions. All necessary fixing materials and an EPDM seal with every orifice plate: 100mm Galvanised Steel Flat Orifice Plate; 150mm Galvanised Steel Flat Orifice Plate; 225mm Galvanised Steel

ACO Q-Flap Valve is a wall-mounted non-return valve made from HDPE that allows water to discharge while stopping backflow. Gravity-operated flap opens with outgoing flow and closes automatically to prevent flooding. UV-stable for outdoor use and resistant to corrosion and chemicals. Available in HD and SD versions with sizes from DN100–2000mm

ACO Q-Plate orifice plates are used to regulate stormwater flows in projects where an ACO Q-Brake Vortex is not the most effective solution or where flows are greater than 100l/s. They are manufactured in grade 304 stainless steel and are available with or without remote bypass and drain-down. Each unit is tailored to specific performance

ACO Q-Penstock is a flow control unit for surface water and wastewater networks, made from lightweight HDPE with stainless steel 316L reinforcement. Designed for wall mounting. DN100–1500mm for HD and DN100–600mm for SD: flow control unit for managing surface water, flood, and sewage systems; made from HDPE with stainless steel 316L reinforcement

Althon provides manhole and pipe safety chains in galvanised and stainless steel to Sewers for Adoption 7th Edition specifications. Safety chains are produced for all standard diameter concrete pipes and manhole pipe safety chain sets are made to order to suit any length. Fully compliant with WRc 'Sewers for Adoption', 7th Edition; meets the

SDS SYMBiotIC™ enables the remote and autonomous control of any number of stormwater management devices, ensuring they continuously perform at their optimum operational efficiency. SDS SYMBiotIC™ provides real-time access via a web portal to a comprehensive range of operating data. Customer bespoke data extractions and reporting information feeds

Flat orifice plates in 316 stainless steel to restrict and regulate the flow of water. The opening in the plate can be manufactured to specified dimensions and positions. All necessary fixing materials and an EPDM seal with every orifice plate: 100mm Stainless Steel 316 Flat Orifice Plate; 150mm Stainless Steel 316 Flat Orifice Plate; 225mm

Wastop inline non-return backflow and flood prevention valves are made from stainless steel (304 or 316) with a cone-shaped chloroprene membrane. Designed for inline installation, these valves allow flow in one direction and seal against backflow without relying on gravity or vertical mounting. Standard sizes suit pressures up to 8MwC, with

Weholite is spirally wound pipe or flat panel, manufactured from corrosion-resistant HDPE, to provide a light weight, engineered solution with superior loading capacity that is chemically inert and provides a projected 120-year design life. Weholite products are used in a wide variety of applications including stormwater attenuation tanks, pumping

Engineers took a pragmatic approach to designing surface water drainage at Taylor Wimpey’s new Parc-y-Strade housing development in Llanelli. Using Hydro-Brake® vortex flow control technology to engineer distributed surface water storage and attenuation across the low-lying, flat site, the development infrastructure satisfies Sustainable Drainage

Hydro-Brake® Flood flow controls from Hydro International are protecting 200 homes and critical infrastructure in Cannington, Somerset. Situated between the Quantock and Mendip hills, the village of Cannington sits beside the River Parrett in the Somerset Levels. As a low-lying coastal plain and wetland, the Somerset Levels are criss-crossed by