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WaStop® Inline Check valve

Area of use: Flood protection Pests & Odors
Wastop Backventil

The WaStop Inline Check Valve immediately protects people and properties from flooding caused by backflow. WaStop also protects against odour and pests in the sewer and stormwater systems. WaStop is ingenious in its simplicity.

Ingeniously simple

WaStop inline valve is a fully automated solution that works without any human interaction at all. 

Thanks to the product’s use of differential pressure, neither electricity nor human intervention are necessary for continuous operation.

The solution is available as standard for pipe NPS 3" - NPS 84"

The solution protects against: 

  • Flooding caused by backflow
  • Odor 
  • Pests

Some advantages of the solution: 

  • Works immediately and automatically
  • Features the lowest pressure loss on the market
  • Features a high level of resistance to external factors (temperature change, waves, chemicals, stones, gravel etc.)
  • Features a pulsating flow, to prevent the accumulation of debris
  • Tried-and-tested – has been on the market for more than 20 years
  • Has few moving parts – practically maintenance-free

The WaStop is also available with an access chamber, allowing easy access from ground level. The product is then called WaStop Access. 

We now include CO2 information in everything from quotes to invoices. This means that you can easily see the amount of CO2 emissions associated with our products. By doing this, we are working together to help minimize greenhouse gas emissions.

ENVIRONMENTAL BENEFITS THAT WASTOP CONTRIBUTES TO:

  • Minimizing Environmental Impact: Requires no electricity or continuous maintenance, which reduces the carbon footprint.
  • Preventing Pollution: Effective flood protection helps to safeguard local waterways from contamination.
  • Long Lifespan: With few moving parts and high resistance to external factors such as temperature fluctuations and chemicals, WaStop offers a durable solution with minimal maintenance.

Wapro's solutions require minimal maintenance, have a low life-cycle cost and are simple to install. The delivery time for all products is short, and stock items are sent immediately.

Animations

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Prevent high water levels backflow

Contact our experts

Installation

Feel free to watch our videos below to get an idea of how the WaStop is installed.

For more videos, please watch our YouTube channel

Videos

Models

WaStop® Inline Check valve

Here you can find specific models, read more about the models and download technical information and drawings in different formats. Click on the padlock, download and you get everything you need in one package.

WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS97
Nominal Pipe Size
NPS 4
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS101
Nominal Pipe Size
NPS 4
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS116
Nominal Pipe Size
NPS 5
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS146
Nominal Pipe Size
NPS 6
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS183
Nominal Pipe Size
NPS 8
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS193
Nominal Pipe Size
NPS 8
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS215
Nominal Pipe Size
NPS 8
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS230
Nominal Pipe Size
NPS 10
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS240
Nominal Pipe Size
NPS 10
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS265
Nominal Pipe Size
NPS 12
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS283
Nominal Pipe Size
NPS 12
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS290
Nominal Pipe Size
NPS 12
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS340
Nominal Pipe Size
NPS 14
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS370
Nominal Pipe Size
NPS 15
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS370-OC
Nominal Pipe Size
NPS 15
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS390
Nominal Pipe Size
NPS 16
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS390-OC
Nominal Pipe Size
NPS 16
Available valve body mtrl.
EN 1.4404
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS440
Nominal Pipe Size
NPS 18
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS440-OC
Nominal Pipe Size
NPS 18
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS490
Nominal Pipe Size
NPS 20
Fits pipe
19.40in - 20.30in
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS515
Nominal Pipe Size
NPS 20
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS590
Nominal Pipe Size
NPS 24
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS690
Nominal Pipe Size
NPS 28
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS750
Nominal Pipe Size
NPS 30
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS790
Nominal Pipe Size
NPS 32
Fits pipe
31.30in - 31.80in
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS790-OC
Nominal Pipe Size
NPS 32
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS885
Nominal Pipe Size
NPS 36
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS885-OC
Nominal Pipe Size
NPS 36
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS985-FL
Nominal Pipe Size
NPS 40
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1040-FL
Nominal Pipe Size
NPS 42
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1185-FL
Nominal Pipe Size
NPS 48
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1335-BB
Nominal Pipe Size
NPS 54
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1335-FL
Nominal Pipe Size
NPS 54
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1385-FL
Nominal Pipe Size
NPS 56
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1485-FL
Nominal Pipe Size
NPS 60
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1585-FL
Nominal Pipe Size
NPS 64
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1785-FL
Nominal Pipe Size
NPS 72
Available valve body mtrl.
EN 1.4404
EN 1.4301
WASTOP® INLINE CHECK VALVE

WaStop® Inline Check valve

WS1980-FL
Nominal Pipe Size
NPS 80
Available valve body mtrl.
EN 1.4404
EN 1.4301

Customized solution

You seem to be interested in a custom solution. Contact us and we will help you find the model that is right for you.

Kerry Olsson

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Contact Kerry Olsson for more information
Kerry Olsson
Sales Manager