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WaStop® Plastic Series

The WaStop plastic series immediately protects people and properties from floods, backflow, unpleasant smells and pests. In short, it has all the advantages of a WaStop Inline Check valve. The pipes available on the market are not always in perfect condition, but our plastic series has been specially designed to enable easy installation in existing pipes.


WaStop® Plastic series
Technical specifications

The WaStop plastic series is recessed into pipes using simple sleeves or flexible couplings. The series has been designed to be easily retrofitted to your new or existing sewage pipe. Common installations: 

  • Existing pipes


The product is available as standard for pipes from DN75 to DN315. We also customise in accordance with the customer's requirements.  


Drawings, technical specifications and installation instructions can be downloaded here: 


Please feel free to contact us, and we will help you find the right solution based on your requirements. 


Read more here: Product information sheet …


Download technical specification
Drawings and technical specifications

We at Wapro believe in opportunities. By being an open organization, we learn from our customers and share our experiences. Below you will find all the information about our products and also other useful and interesting information. Contact us if you are missing something.

Nominal Diameter
DN/OD 250
Valve body length
600.00 mm
Valve body diameter
315.00 mm
6.30 kg
Max flow (velocity)
2.00 m/s
Max flow (volumetric)
64.00 ls
Sealed for one-sided pressure

Martin Widerberg

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Martin Widerberg
Area Sales Manager Europe

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