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WaStop® Inline Check Valve
WaStop protects people and property from flooding. Replace failing tide gates and duckbills with a WaStop inline check valve for instant protection.
- Fast Delivery - Next day shipping on 3" - 36" valves!
- Low Headloss stops upstream ponding
- Online shop drawings and technical specification
- Sand and debris? WaStop's pulsating flow helps!
Ingeniously simple
WaStop’s ingenious function provides you with the best possible protection against flooding, odor control and backflow.
A wide size range makes it available to fit most types of pipes from NPS 3" to NPS 72" and it is also available in an Access chamber for easy access from ground level.
Working on differential pressure the WaStop functions autonomously, without human interaction, without electricity and without constant maintenance. It just works.
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Technical Information
We at Wapro know that there is a wide range of pipes available on the market, and that these pipes aren’t always perfect. We designed this seal to not only create the perfect fit, but also to ensure quick easy installation. Time is money.
For the residential market we have designed a range of valves for protecting memories. Please refer to the WaStop Residential pages for more information.
WaStop is also available in an Access Chamber. The Access chamber has a pre-installed WaStop valve. The WaStop module is removable from ground level for easy maintenance. Available in DN110, DN125 and DN160mm. Please refer to drawings for more information.
The following technical information relating to WaStop inline check valves can be found on the tabs below.
- Drawings
- Technical Specifications
- Installation Instructions
- Certifications
Dimensions & Drawings
Installation
Documents
To ensure the valve we provide you with fits perfectly and protects 100% we’re engineered the guess work out of it. Keeping in line with our customer promise of common sense and simplicity, we have developed a standard range of WaStop from 75mm - 1800mm. On top of this we have a Superior Fit Seal to ensure there is no leakage between the existing pipe and the WaStop Inline Check Valve.
Dimensions
| Article number | NPS [inch] | Rsk | OD [inch] | Drawing file name (imperial) | Drawing file name (metric) | Technical specification |
|---|---|---|---|---|---|---|
| WS97-S | 4 | 4560992 | 3,82 | PDF DWG | PDF DWG | |
| WS101-S | 4 | 4560993 | 3,94 | PDF DWG | PDF DWG | |
| WS116-S | 5 | 4560994 | 4,53 | PDF DWG | PDF DWG | |
| WS146-S | 6 | 4560995 | 5,69 | PDF DWG | PDF DWG | |
| WS183-S | 8 | 4560996 | 5,69 | PDF DWG | PDF DWG | |
| WS193-S | 8 | 4560997 | 7,52 | PDF DWG | PDF DWG | |
| WS215-S | 9 | 4281311 | 8,46 | PDF DWG | PDF DWG | |
| WS230-S | 10 | 4281312 | 9,06 | PDF DWG | PDF DWG | |
| WS240-S | 10 | 4281315 | 9,45 | PDF DWG | PDF DWG | |
| WS250PE-I-S | 10 | 9,29 | PDF DWG | PDF DWG | ||
| WS250PE-S | 10 | 9,84 | PDF DWG | PDF DWG | ||
| WS265-S | 11 | 10,43 | PDF DWG | PDF DWG | ||
| WS283-S | 12 | 4281316 | 11,14 | PDF DWG | PDF DWG | |
| WS290-S | 12 | 4281313 | 11,42 | PDF DWG | PDF DWG | |
| WS315PE-I-S | 12 | 11,61 | PDF DWG | PDF DWG | ||
| WS315PE-S | 12 | 12,4 | PDF DWG | PDF DWG | ||
| WS340-S | 14 | 4281317 | 13,39 | PDF DWG | PDF DWG | |
| WS370-S | 15 | 4281318 | 14,57 | PDF DWG | PDF DWG | |
| WS390-S | 16 | 4281319 | 15,35 | PDF DWG | PDF DWG | |
| WS440-S | 18 | 17,44 | PDF DWG | PDF DWG | ||
| WS490-S | 20 | 19,29 | PDF DWG | PDF DWG | ||
| WS590-S | 24 | 23,11 | PDF DWG | PDF DWG | ||
| WS690-S | 28 | 27,17 | PDF DWG | PDF DWG | ||
| WS750-S | 30 | 29,53 | PDF DWG | PDF DWG | ||
| WS790-S | 32 | 31,1 | PDF DWG | PDF DWG | ||
| WS885-S | 36 | 34,84 | PDF DWG | PDF DWG | ||
| WS985-S | 40 | 38,78 | PDF DWG | PDF DWG | ||
| WS1040-S | 42 | 40,94 | PDF DWG | PDF DWG | ||
| WS1185-S | 48 | 46,65 | PDF DWG | PDF DWG | ||
| WS1385-S | 56 | 54,53 | PDF DWG | PDF DWG | ||
| WS1485-S | 60 | 58,46 | PDF DWG | PDF DWG | ||
| WS1585-S | 64 | 62,4 | PDF DWG | PDF DWG | ||
| WS1785-S | 72 | 70,28 | PDF DWG | PDF DWG |
WaStop is extremely adaptable in regards to installation options. It can be installed from horizontal to vertical and in both cases can be installed for use in both directions. Joint connections are available for purchase upon request.
Common installations include
• Inlets and outlets
• Installation in an existing pipe
• Pump stations
• In manholes and chambers
We at Wapro believe in enabling. By being an open organization we learn from, and share with, our customers. Below you’ll find that there is a wealth of information in relation to not only our products, but also other useful and interesting information to help you in your role. If you require any further information please don't hesitate call us. We’re here to help you stop flooding
Technical Documentation
Technical drawings and specifications can be downloaded for each dimension under the tab for Dimensions. Please contact us if you require any additional information.
Approvals and Certifications
A rigorous testing procedure is undertaken at Wapro to ensure our valves meet our exacting standards. Our valves tested to appropriate standards in our target markets at third party organizations such as Utah State University Hydraulics Lab, Danish Technological Institute. Kiwa Sverige AB on an annual basis.
CE-approved models type 0 (DN80-200mm) are tested according to SS-EN 13564-2:2002.
WaStop also meets the requirements according SS-EN 13564-1:2002 and quality assurance according SS-EN 13564-3:2004. Other dimensions are tested according to the same standard and meets the same requirements and quality assurance.
WaStop is patented in the EU, USA and other countries.
Tests
Read more about our tests of this product.
WaStop Headloss
WaStop Backflow Protection
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Product information
We at Wapro know that any solution for flood prevention, or odor control needs to function. Simply, effectively. That’s why, when we invented the WaStop inline check valve backflow preventer in 2000 we had one thought in mind. Instant automatic protection. Working on differential pressure the WaStop functions autonomously, without human interaction, without electricity, without constant maintenance – it just works.
WaStop is available to fit most types of pipes from DN75 to DN1800 and is also available in an Access chamber for easy access from ground level.
WaStop inline check valve excels in many areas. WaStop exhibits the lowest headloss on the market, 100% backflow prevention and a unique pulsating flow that keeps pipes both upstream and downstream cleaner which reduces maintenance costs substantially.
Click below to read more about Headloss, Backflow, Pulsating Flow and Installation.
WaStop inline check valve excels in many areas such as having the lowest headloss on the market, 100% backflow prevention and a unique pulsating flow that keeps pipes both upstream and downstream cleaner which reduces maintenance costs substantially.
Please click on the links below to understand how each of the features of WaStop can be an advantage for your stormwater or sewer network.
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