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AQUIKO Square Flap Valves offer a simple yet effective method of flood prevention. Installed in a variety of conditions to prevent backflow into outlets and minimise the risk of flooding. The flap valve comprises a door (the flap) with a hinge at the top which allows fluid to pass in one direction but not the other. The humble flap valve may seem simple yet to make a simple solution brilliant requires a lot of thought. -
Side Hung Doors are a simple solution, providing a fish friendly solution to flood defence. Our design delivers a strong product that is virtually maintenance free. Each AQUIKO Side Hung Door set is built to suit the exacting requirements of each enquiry. The AQUIKO Side Hung Door range is available in a wide range of sizes to suit your individual needs. Please fill in the form below to enquire. -
Our pipe mounted flap valve range has a compact design. The compact design enables the product is lightweight and easy to install. Made from HDPE which is an extremely robust material and shock absorbent. Therefore, a great choice for flap valves where they are prone to being hit by debris. The lightweight design also ensures a much lower head loss when compared to cast iron or stainless-steel alternatives. HDPE also has a low carbon footprint. -
The WaReg Flow Regulator suits most applications and it is available from DN75 - DN400 for flow from 2 l/sec to 200 l/sec. WaReg models up to DN250 are tested for flow by us at Wapro to ensure the correct flow rate is set before delivery. The flow rate can be adjusted post-installation within a certain range. -
The 600 Series Headwalls are reinforced concrete structures designed for 600mm twinwall pipes or 450mm concrete pipes. Available in 1m, 1.5m, and 2m heights, they offer a durable, cost-effective solution for outfall protection. Precast for accuracy and efficiency, each unit includes RD20 lifting points and stainless steel sockets for optional gratings. A 300mm or 700mm toe can be added for enhanced stability.
Optional Extras: Flap valves, penstocks, handrails, and gratings.
Sustainable Construction: ECO 1 concrete mix as standard. -
The 1000 Series Headwalls are reinforced concrete structures designed for pipes up to 900mm in diameter. Available in three standard configurations with varying wing wall angles, they provide robust outfall protection and erosion control. Precast for precision and efficiency, each unit includes RD20 lifting points and stainless steel sockets for optional handrails and gratings. Brackets can also be supplied for use with a ground anchor system.
Optional Extras: Flap valves, penstocks, handrails, and gratings.
Sustainable Construction: ECO 1 concrete mix as standard. -
The 2000 Series Headwalls are sectional concrete structures, designed for pipes over 1000mm up to 2000mm OD. Assembled on-site with rebated sides that lock together using stainless steel cast-in sockets and brackets, they provide exceptional strength and stability for high-flow drainage and flood defence projects. Available in three standard configurations with varying wing wall angles, they are built for long-term durability in demanding environments.
Optional Extras: Heavy-duty galvanised or stainless steel gratings, handrails, flap valves, penstocks, and flow control devices.
Sustainable Construction: ECO 1 concrete mix as standard. -
WaStop RSD is designed to be installed inline on the sewer lateral. Remove a section of pipe and install the WaStop RSD valve using slide couplings to seal in place. An access cover should be placed over the site of the valve installation. Installation: Sanitary sewer lateral inside or outside the home Size: DN110 (4”) -
The AQUIKO Penstock has been specifically designed for the UK market. Our standard Penstock has been designed specifically for situations where the penstock will not be required to operate against a full head of water. Sizes up to 400mm are ideal for attenuation systems, while the 700mm to 1,000mm are ideal for isolation purposes. The range is manufactured in HDPE and Stainless Steel 316 they are robust and lightweight. The product sizes range from 100mm to 400mm and 700mm to 1,000mm. -
The WaStop Inline Non Return Valve has an ingenious design. Therefore, this design ensures you are provided with the best possible protection against backflow, flooding and odour control. Sizes are available to fit most sizes of pipes up to 1800mm. However, where more bespoke fittings are required contact AQUIKO and we will be able to assist. Due to the unique way in which it works with differential pressure it works autonomously. Therefore, there is no need for human interaction or electricity. In conclusion, without the need for constant maintenance, the WaStop just works!







