UP100 10 Pieces Black Silicone Duckbill Valve One-Way Check Valve 25.5 x 17 x 24.5 MM for Liquid and Gas Backflow Prevent

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The design prevents logs or other floating objects from entering the valve closing mechanism, therefore the valve will always close when required to, no matter what the environment may throw at it.

Position the valve in line with the pipe, lifting equipment may be required for large size models. The clamp(s) may need to be loosened for installation. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. The slip on model, easily slips over the outside diameter of the pipe, and is clamped on with the clamp(s) supplied with the valve. This will securethe valve to the pipe. The rubber used on these valves provides continual corrosion resistance. The outer layers of Neoprene rubberrepel marine organisms which eliminates marine fouling issues.

The TF-1 has become the preferred Tideflex configuration for outfalls. Designed for in-structure and end-of-pipe installations, the TF-1 features a flat bottom and flared top. This allows the valve to be installed at a lower overall elevation than other configurations, with less bottom clearance required. This is especially important in low-lying areas where maintaining as much driving head is critical, or where silt, sand and debris might tend to collect beneath the valve. You may choose to restrict the collection or use of your personal information in the following ways: The TF-1 can also be installed on the OD of elliptical pipe and many arch pipes. Tideflex Technologies also offers a thimble plate option allowing the slip-on TF-1 to be installed directly to a headwall or seawall. Using a lubricant, it is recommended to lubricate the inside of the rubber where it will slide over the pipe end. This is to prevent the rubber from any damage during installation. Operation staffoperating techniques can also affect whether the slit can be cut well. Generally, the slit should be cut perfectly the first time. It will leave burrs if proceed second cutting.

The engineered construction allows the valve to open with minimal pressure, and close against a rising tide with no requirement for a power source or manual operation.

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The flexibility of the Tideflex allows the valve to compress around trapped solids providing a much better seal than flap gates, as confirmed by the USEPA. With the development of the patented curved bill, sealing capabilities are even further improved because the curve bill is more flexible than the rest of the valve and therefore compress more around solids. Neoprene is the best rubber for Ozone sunlight protection, and stops barnacle growth and sea weed build up. The TF-1 allows installations in such structures and are easily retrofit to existing structures, often replacing failed flap gates, without the need for breaking up the concrete floor to provide bottom clearance.