WaFlap Models

Here you’ll find our range of WaFlap Flap valves—tailored for different needs, sizes, and installation types.
Not sure which model is right for your system? Don’t hesitate to get in touch—we’ll help you find the best solution.

Interested?

Contact our sales representative for more information.

  • Richard Neal

    South East Regional Sales Manager

    richard.neal@wapro.com

    +1 407-398-9868

  • Kathy Bielert

    Inside Sales Coordinator

    order@wapro.com

    +1 860.287.7235

  • Marcus Morieko

    Territory Sales Manager (NJ, DE, PA)

    marcus.morieko@wapro.com

    +1 732-228-1704

  • Charlie Sullivan

    Territory Sales Manager (DC, IL, MD, NC, SC, VA)

    charlie.sullivan@wapro.com

    +1 407-625-0200

Product overview

WaFlap Flap valves

Efficient, durable, and dependable – WaFlap Flap valves are engineered to provide strong protection against flooding and contamination in wastewater systems. Their rugged construction and corrosion-resistant materials ensure long-term performance and minimal maintenance, making them ideal for both municipal and industrial applications.

WaFlap Flap valves are also easy to install and can be adapted to different pipe sizes and installation needs. By effectively blocking backflow, they not only protect infrastructure but also help maintain water quality and safeguard ecosystems. With WaFlap, you can trust you have a reliable solution for managing water flow and defending against unwanted flooding.

Why WaFlap flap valves are a smart choice for simple, effective backflow protection

  • Effective flood protection: WaFlap Flap valves efficiently stop backflow and flooding, shielding properties and infrastructure from damage caused by excess water.
  • Rugged, long-lasting build: Made from corrosion-resistant materials, these valves deliver a long service life with minimal maintenance, saving both time and resources.
  • Flexible installation: WaFlap Flap valves can be adjusted for various pipe sizes and site conditions, making them perfect for everything from municipal networks to industrial facilities.
  • Safeguarding water quality: By preventing contaminated water from flowing back, WaFlap protects drinking water reserves and natural streams, helping preserve ecosystems and biodiversity.
  • Lower risk of environmental harm: By keeping floods at bay, flap valves reduce the chances of erosion and soil degradation—key to maintaining a stable, sustainable environment.

Downloads

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Installation

Easy installation for immediate protection

WaFlap Flap valves are designed for quick, straightforward installation directly onto pipe outlets, delivering instant protection against backflow and flooding. Thanks to their compact, robust design, they’re a perfect fit for both new builds and retrofits—whether in cities, coastal zones, or rural areas.

The valve is mounted right onto a wall or pipe flange using the included bolts and seals. No special tools are needed, and most municipalities or contractors can handle installation without outside help.

Because WaFlap operates entirely mechanically, there’s no need for power, sensors, or control systems—making the install smooth, cost-effective, and reliable from day one.

Animations

Protection that seals at just the right moment

Our animations show how WaFlap Flap valves automatically close when backflow occurs, guarding against flooding—completely without electricity or manual intervention. Under normal flow, the valve opens easily, but it shuts instantly in response to backpressure from high water levels, tides, or heavy rain.

Simple function, tough design, and dependable protection 24/7—see for yourself how effectively WaFlap keeps vulnerable wastewater systems secure.