Wall-Mounted Flap Valve – AQUIKO Non-Return Flow Control

The AQUIKO Wall-Mounted Flap Valve is engineered to deliver dependable non-return protection for drainage, outfall and flood-defence applications. Manufactured in the UK and built from high-performance HDPE, this flap valve provides low-head operation, excellent corrosion resistance and long-term reliability — making it a trusted choice for contractors and resellers who need consistent availability and robust specification.

Key Features & Benefits

• UK-manufactured for consistent quality control, faster delivery and trusted performance.

• Lightweight HDPE construction provides low opening pressures, reduced head-loss and easier handling on site.

• Corrosion-proof material ideal for tidal, brackish, freshwater and wastewater environments.

• Easy installation with standard sizes available to suit common outfall and headwall configurations.

• Low maintenance design — smooth HDPE surfaces resist fouling and reduce long-term operating costs.

• Perfect for contractors and resellers thanks to strong specification, UK availability and rapid dispatch options.

Technical Specification Snapshot

• Material: High-Density Polyethylene (HDPE)

• Standard Sizes: 100 mm to 1500 mm (larger or bespoke sizes available on request)

• Head Pressure Capability: Designed to suit a wide range of back-pressure conditions; custom pressure ratings available

• Design: Lightweight flap plate with efficient hinge geometry for fast, low-pressure opening

• Fixing & Mounting: Flat wall-mounted design suitable for concrete outfalls, culverts and structural walls

• Maintenance: Minimal — debris-resistant design with simple access for inspection

Typical Applications

The AQUIKO Wall-Mounted Flap Valve is ideal for:

• Surface water outfalls and drainage discharge points

• Flood-defence works requiring reliable back-flow prevention

• Culverts, headwalls and riverbank outfalls

• Wastewater and industrial non-return applications

• Contractor stock lines and reseller catalogues needing fast-moving, standard specifications

Why Choose AQUIKO Flap Valves

When you specify AQUIKO, you benefit from:

• UK Manufacturing — ensuring fast lead-times, improved consistency and reliable supply

• Durable Materials — HDPE delivers excellent corrosion resistance, low weight and long life

• Strong Stock Availability — standard models held in the UK for rapid dispatch

• Technical Support — drawings, datasheets, installation guidance and product selection support

• Full Product Range Coverage — complementary flap valves, penstocks and inline solutions available

Ordering & Availability

Standard sizes are held in stock for immediate dispatch across the UK, giving contractors the reassurance of availability and resellers confidence in inventory planning.

For ordering, simply provide:

• Required bore/diameter

• Wall or headwall details

• Expected head pressure/back-flow requirement

• Any bespoke material or mounting needs

Fixing kits and ancillaries can be supplied to complete your installation in a single package.

Related Products You May Be Interested In

• Pipe-Mounted Flap Valve – for inline non-return protection

• Side-Hung Flap Valve – for installations needing increased access

• Square / Bespoke Flap Valves – fully custom-built for unique openings

(Each product name should link to its corresponding AQUIKO product page.)

Talk to Our Team 

Need help specifying the right flap valve for your project, or looking to stock a reliable standard range?

01777 819 734
info@aquiko.co.uk