The 4" Spring Loaded Check Valve Seal Kit includes two sealing rings and one stem gasket, designed for use with 4" check valves. This kit ensures optimal sealing performance, preventing backflow in fluid systems. Made from high-quality materials, the seals provide durability and resistance to wear, ensuring long-lasting performance. Ideal for use in various applications, including food processing, chemical handling, and water treatment, this seal kit meets industry standards for safety and reliability, ensuring efficient operation in demanding environments.