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      Rubber blowdown check valve

      Rubber drain check valve is also called rubber duckbill valve, duckbill rubber check valve, rubber flexible check valve, rubber slow-closing check valve. Xf rubber slow-closing check valve is a full rubber structure with a "duckbill shape"

      Dear [Rubber Drain Check Valve] Customer, Hello! Today is , Since the official website of Yixiang Water Supply http://glasw.com , you are the 13226th visitor to Yixiang Water Supply Enterprise! Since its establishment, Yixiang Water Supply has been committed to the technical research and development and product creation of the pipeline industry. It has provided hundreds of customers with high quality [rubber blowdown check valves] products!

      Product introduction

      Rubber drain check valve is also called rubber duckbill valve, duckbill rubber check valve, rubber flexible check valve, rubber slow-closing check valve. Xf rubber slow-closing check valve is a new type of water supply and drainage valve product with full rubber structure and "duckbill shape", with "forward flow, reverse check" function. It is based on force analysis and calculation, for different working conditions, using different design mechanisms, using different rubber formulas, and made according to special processes. When working in the forward direction, water flows from the water inlet, and the valve can be opened with a small water pressure. The higher the water pressure, the larger the valve opens, the larger the water flow, the tighter the valve port, and the better the sealing effect. It is widely used in municipal, water conservancy, sewage treatment and other various water outlets to prevent reverse irrigation and reverse flow. It is an ideal product to replace the door.

      Features

      Compared to traditional shooters, the advantages are particularly obvious:
      1. Automatically open and close according to water pressure difference, safe and reliable, no noise, no need for operation and maintenance.
      2. The forward resistance of the water is small, the starting pressure is small, and the flow rate is naturally adjusted according to the water pressure:
      3. Reverse check is good, no leakage, prevents backflow, the greater the back pressure, the better the effect:
      4. Anti-corrosion, aging resistance, non-deformation, strong adaptability and long service life;
      5. Wide range of sizes, nominal diameter DN50 to DN3000.
      Application range of rubber blowdown check valve
      1. This product has excellent performance and a wide range of options
      2.Selected for sewage system
      3.Selected for emission system
      4.Selected for dyke discharge
      5.Selected for airport and highway drainage
      6.Selected for sewer drainage
      7.Selected for sewage pond drainage
      8. Installation structure of odor-separated rubber blowdown check valve
      1.Sleeve type rubber blowdown check valve XF-T is installed at the outlet of the drainage pipe
      2.Flanged rubber drain check valve XF-F is installed at the outlet end of the drain pipe with flange
      3. Install the plate rubber drain check valve XF-F on the structure at the end of the water outlet
      4.Built-in rubber sewage check valve XF-F is installed at the end of urban rainwater and sewage outlets
      5.Mortar or cement pipeline rubber sewage check valve XF-F is installed at the end of mortar or cement pipeline

      Instructions for use

      1. Preparation before installation
      2. Please check whether the working conditions are consistent with the valve model, installation method, technical parameters, and technical requirements (pressure or north pressure, temperature, and corrosion resistance).
      3. Check the inside and outside of the valve for artificial damage, and check for stolen materials inside the valve.
      4. Check whether the outer surface of the installation pipe or the connecting flange is burr, deformed, and smooth.
      5. Installation process
      6. The installation of socket-type rubber blowdown check valve should match the inner diameter of the valve with the outer diameter of the connecting pipe correctly; the depth of the socket should meet the corresponding requirements; the outer surface of the pipe can be sealed with hydraulic glue; A rubber gasket should be added between them, and then the connecting bolts should be tightened; if the rubber slow-closing check valve uses an auxiliary liner, the auxiliary liner and the reserved pipe should be sealed and welded when connected, and the strong ribs should be appropriately added to improve the strength and rigidity .
      7. When the flanged rubber blowdown check valve is installed, the size of the outlet flange of the drain pipe should correspond to the size of the connecting flange of the rubber slow-closing check valve; test the specific situation between the flange and the flange, and install a seal Gasket to ensure the absolute seal after the connection is tight; also pay attention not to damage the flange lip of the rubber slow-closing check valve.
      8. For other installation methods, refer to the above requirements
      9. When the nominal diameter is greater than DN800, due to the heavy weight of the valve body, and a large amount of water and water impact in the abdominal cavity of the valve body during operation, a support rod must be added to stabilize the valve body for a long time through the ring on the valve body. Lifting.
      10. Notes
      11. During the transportation, storage and installation of the valve body, it is necessary to avoid irregular operation.
      12. If the valve body is stored for a long time, prevent open flames. Stacking is strictly prohibited.
      13. In normal use, no maintenance is required, but it is necessary to prevent sharp objects from piercing the valve body.
      14. The working part must not be squeezed by objects to avoid affecting its natural opening and closing.
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      1. The user should provide a description of the operating conditions on site and the technical requirements.
      2. The user must provide the necessary technical parameters, including the nominal diameter of the pipe, the outer diameter of the pipe interface, the installation type and the value of the forward opening pressure and reverse back pressure.
      3. Our technical staff will select and design for users according to their requirements.
      XH81, XH41, XH81A, XH41A type rubber blowdown check valve (Spain is called "Duckbill-shaped flexible check valve" in the United States is called "Duckbill-shaped rubber flat-mouth valve") is produced in Spain ROSS Valve Company, American Red Valve Company Based on the summary and exemplary. Revolutionary redesign. More efforts are being made to continuously improve the (duckbill-shaped flexible check valve) rubber drainage check valve, so that the strength, toughness and tightness of the valve are greatly improved, and the valve does not have any moving components. Free from any maintenance. This valve can be used for straight pipe, flange pipe, cement pipe, glass fiber reinforced plastic pipe. Can be described as environmentally friendly green valve, this valve replaces the door check valve. Completely solve the problem that the shot door is easily blocked by sediment, silt, rocks, vegetation, and marine life.

      Pipeline industry industry technical service engineer team customized for you

      The expert team provides you with a high quality product solution Top The expert team provides you with a high quality product solution

      Harsh raw materials! The quality of the rubber blowdown check valve, the raw materials play a decisive role! 并在每批原料进厂时都进行苛刻的质量把关,确保能生产出好质量的橡胶排污止回阀! Yixiang Water Supply has used many years of production experience to identify a batch of stable raw material suppliers for rubber blowdown check valves, and conduct strict quality checks when each batch of raw materials enters the factory to ensure that it can produce good quality rubber blowdown stops. Back to the valve!

      Strict quality inspection of finished products! 为您提供的橡胶排污止回阀并确保管道行业解决方案实施。 No matter how perfect the production management process is, there will be occasional defective products. What Yixiang Water Supply can do is to optimize the production process, and strictly inspect the quality, large quantities, and multiple batches of products . Rubber for you Sewage check valves and ensure implementation of solutions for the pipeline industry.

      Down-to-earth, carry forward the craftsman spirit of the country! Work hard and build the national brand of Yixiang Water Supply! Thank you for your interest in the product information of Yixiang Water Supply's official website for rubber sewage check valves, and you are also welcome to put forward your valuable opinions to jointly promote the international competitiveness of China-made products! If you have any questions about Yixiang Water Supply Rubber Sewage Check Valve, please call Yixiang Water Supply Technical Engineer at [18537143475]. Yixiang Water Supply is willing to work with you to realize the Chinese dream together!

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