Food-grade Rubber Flexible Joint, also known as rubber flexible joint,Rubber Expansion Joint,Rubber Soft Joint, or Sanitary Rubber Expansion Joint, are a type of pipeline joint characterized by high elasticity, high airtightness, resistance to media, and weather resistance. They are primarily composed of tubular rubber components consisting of inner and outer rubber layers, cord plies, and steel wire rings, which are molded through high-temperature and high-pressure vulcanization and then combined with loose-sleeve metal flanges. These products are widely used in pipeline systems in fields such as firefighting, chemicals, and pumps and valves, serving to mitigate vibrations and reduce noise while absorbing displacements generated during pipeline operation.
Food-grade rubber expansion joint offer a series of advantages, including high internal density, the ability to withstand high pressure, effective elastic deformation for shock absorption and noise reduction, lightweight design, and ease of installation and maintenance. They can reduce structural noise transmission during operation and possess strong vibration absorption capabilities. As a result, they are particularly suitable for connecting pumps and valves, pipelines with significant vibrations, and lines subject to frequent temperature fluctuations.
In the food industry, Food Grade Rubber Joints are commonly used in pipeline systems that come into direct contact with food, such as those in water treatment plants and beverage factories. These connectors must meet stringent hygiene standards and food safety requirements, necessitating the use of non-toxic, odorless materials that comply with hygienic standards for manufacturing.
When installing food-grade rubber flexible connectors, it is essential to ensure that the flanges are welded vertically. The flanges at both ends should be connected to the pipe end flanges using fasteners, and a hydrostatic test should be conducted after installation to verify the tightness and safety of the connections. Additionally, the installation length should be calculated from the outer sides of the rubber sealing surfaces at both ends of the spherical body. The product allows for bidirectional flow, and hydrostatic testing must not be performed if the connecting bolts at any location are not properly tightened.
Overall, food-grade rubber flexible connectors play a crucial role in the food industry, ensuring the safe, hygienic, and efficient operation of pipeline systems. With robust market demand for rubber flexible joint series products and national support for the equipment manufacturing industry, the future development prospects for the food-grade rubber flexible connector industry are exceedingly promising.
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