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China 208 Mechanical Seal Suppliers - Single End Face, Unbalanced, Rubber Bellows, Easy Installation Factory
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China 208 Mechanical Seal Suppliers - Single End Face, Unbalanced, Rubber Bellows, Easy Installation Factory

The 208 series mechanical seal is an efficient and reliable solution designed for various industrial applications. This single end, single spring, unbalanced mechanical seal is particularly effective in pipeline pumps, sewage pumps, and clean water pumps. Manufactured in China, our mechanical seals are known for their durability and performance, Often assembled back-to-back with two 108 type seals, the 208 series allows for the use of diverse materials for optimal end face combinations. Its compact structure ensures easy installation, making it a preferred choice among suppliers in the industry. Additionally, it finds widespread application in devices such as pumps, compressors, valves, and reaction vessels. As a leading factory in mechanical seal production, we guarantee quality and reliability tailored to meet the specific needs of your operations

    Product Material
    • Static ring: graphite / silicon carbide / TC
    • Dynamic ring: graphite / silicon carbide / TC
    • Auxiliary sealing: Nitrile rubber / Ethylene rubber / Fluororubber
    • Springs and other components: SS304, SS316
    Product Medium
    Water, sewage, oil and other weakly corrosive liquids
    Feature
    • 1 High sealing performance: Made of high-quality materials, it has good wear resistance and corrosion resistance, ensuring minimal fluid leakage.
    • 2 Stable and reliable: A spring is installed between the moving ring and the stationary ring to maintain stable pressure of the seal during equipment operation, extending its use.
    • 3 Strong adaptability: It can be applied to various working conditions, such as high temperature, high pressure, high speed, etc., to meet the needs of different scenarios.
    • 4 Easy to maintain: The structure is simple, easy to disassemble and replace, which is conducive to reducing the maintenance cost of the equipment.
    208-1
    208-2
    208-3
    Frequently Asked Questions
    Q What materials are available for the static and dynamic rings of this mechanical seal?
    Both the static ring and dynamic ring are available in three material options: graphite, silicon carbide (SiC), and tungsten carbide (TC). The choice depends on the working medium and operating conditions to ensure optimal sealing performance and durability.
    Q What types of auxiliary sealing materials are offered?
    The auxiliary sealing is available in Nitrile rubber (NBR), Ethylene propylene rubber (EPDM), and Fluororubber (FKM/Viton), allowing compatibility with a wide range of media and temperature requirements.
    Q What media is this mechanical seal suitable for?
    This mechanical seal is designed for use with water, sewage, oil, and other weakly corrosive liquids, making it suitable for a broad range of industrial and municipal pump applications.
    Q Can this seal handle high temperature, high pressure, and high speed conditions?
    Yes. Thanks to its strong adaptability, this mechanical seal can be applied to various demanding working conditions including high temperature, high pressure, and high rotational speed environments, meeting the needs of different application scenarios.
    Q How does the spring mechanism contribute to sealing reliability?
    A spring is installed between the moving ring and the stationary ring to continuously maintain stable contact pressure at the sealing face during equipment operation. This ensures consistent sealing performance and significantly extends the service life of the seal.
    Q Is this mechanical seal easy to install and replace?
    Yes. The seal features a simple and compact structure that makes it straightforward to disassemble and replace. This design helps reduce equipment downtime and lowers overall maintenance costs, making it a practical choice for long-term use.