installations worldwide
years of experience
“I truly do believe WaStop are exceptional devices that have a valid place on the global stage in helping combat rising sea levels or flood levels, while providing a real level of comfort around performance over investment.”

We understand your challenges

And we have developed products to help you solve them! Municipal solutions for tidal or river backflow protection, flow regulation, flood protection and odor mitigation.

Backflow prevention, a cost efficient solution

We offer several patented, cost efficient and flexible solutions for your specific needs. We are confident that Wapro has the right product for you!

Contact us to find a solution

With more than 33 years of experience we are certain to have a solution for your problem. Get in touch to discuss your specific issue with us and discover how we can help.

Specialist in flood prevention since 1986

Wapro provides peace of mind through our products, WaStop Inline Check Valves, WaBack non-return Chamber and WaReg Flow Regulators.

Tidal flooding and dry weather flooding can be mitigated using WaStop check valves, and basement flooding eliminated with WaBack check valve chamber. WaReg ensures a constant flow into stormwater or sewer systems.

Climate change, increased rainfall, seasonal snow melt and storms can cause flooding. Wapro products can solve these problems with our solutions. We´re the go-to-non-return valve solution for many Cities worldwide and export device to 49 countries to prevent flooding from stormwater and sewer networks and odor from sewer lines.

You can read about our strengths, customer promises and environment work on About Wapro

Holding Back The Flood


Acquire the -file.

Please enter your e-mail to a download the file for .dwg.
Please provide your e-mail and location to view the drawing for .pdf.
Your -file is ready for download

Processing your request

Processing your request

Please wait while we prepare your download.
Please wait while we prepare your file in a new tab

Download has started

is available

Your download for the file .dwg has started.
Your drawing for .pdf has been opened in a new tab.