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

Product Information

The rubber used on these valves provides continual corrosion resistance. The outer layers of Neoprene rubberrepel marine organisms which eliminates marine fouling issues. The original Tideflex design, the TF-2, has a flare on the top and bottom of the valve. It has been superseded by the TF-1 and has been standardised by many consultants and owners. The TF-1 is ideal for manhole applications, such as junction boxes, diversion chambers and interceptors, where the invert of the pipe is close to the floor of the vault. These vaults are designed to maximise the available gravity head; thus, the invert pipe is as close to the floor as possible. Measure the section of the valve that will fit onto the pipe, and mark on the pipe with a permanent marker a line where the valve will slide up to. This will ensure the valve is secured on at the right location. Depends on the die-cutting tool: It needs to be sharp enough, so that it can cut the silicone thoroughly to invoid diecutting burrs, and to invoid the situation of "slit" doesn't close well.

Neoprene is the best rubber for Ozone sunlight protection, and stops barnacle growth and sea weed build up. Vernay meets the needs of medical device and diagnostic equipment manufacturers by offering a variety of elastomeric fluid control options that provide your device with accurate and repeatable performance. These products are ready to be designed into your application, providing cost-effective, safe and reliable fluid handling. Vernay also provides test data and specifications to support your device qualification process. We offer a comprehensive range of biocompatible Silicones or Vernay Polyisoprene formulations for your fluid, gas, and media-based applications. We also have experience using other component materials such as:Depends on the hardness: generally, dispensing valve with high durometer & hardness will have better restoring forces. 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. There are no mechanical parts that can freeze, corrode, bind, or otherwise inhibit smooth operation. 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. Rubber material options available include Neoprene, EPDM, Viton, NBR, Natural Rubberfor manyapplications.

We require this information to understand your needs and provide you with a better service, and in particular for the following reasons: 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. You may choose to restrict the collection or use of your personal information in the following ways: Ensure that the valve is installed in a vertical position, with the opening in a vertical up and down position.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. Position the valve flange to line up with the pipe flange or headwall drilling pattern, keeping the valve in the vertical position. Lifting equipment will be required on large sizes. Ensure the flange specification is the same for both the valve and the pipe flange, so that they can be bolted up to each other. 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.