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China 208 Mechanical Seal Suppliers - Single End Face, Balance, Rubber Bellows, Factory Direct for Pumps & Compressors
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China 208 Mechanical Seal Suppliers - Single End Face, Balance, Rubber Bellows, Factory Direct for Pumps & Compressors

The 208 series mechanical seal is a top-quality solution designed for a wide range of applications in the industrial sector. This single end, single spring, unbalanced mechanical seal is perfect for pipeline pumps, sewage pumps, and clean water pumps. Manufactured in China, our seals are typically assembled back-to-back with two 108 type seals, providing versatility with various materials for end face combinations, Featuring a compact structure and easy installation, the 208 series is ideal for use in pumps, compressors, valves, and reaction vessels. As a leading supplier and factory of mechanical seals, we ensure that our products meet the highest quality standards while delivering reliable performance. Trust our China-made mechanical seals to enhance the efficiency of your industrial equipment

    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

    Features

    • High sealing performance: Made of high-quality materials, it has good wear resistance and corrosion resistance, ensuring minimal fluid leakage.
    • 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.
    • 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.
    • 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
    Q1: What materials are available for the static and dynamic rings of this mechanical seal?

    Both the static ring and dynamic ring can be manufactured using graphite, silicon carbide (SiC), or tungsten carbide (TC), allowing selection based on the specific application and medium requirements.

    Q2: What types of liquids is this mechanical seal suitable for?

    This seal is designed for water, sewage, oil, and other weakly corrosive liquids, making it widely applicable in pumps and industrial equipment handling such media.

    Q3: What auxiliary sealing materials are available?

    Auxiliary sealing options include Nitrile rubber (NBR), Ethylene rubber (EPDM), and Fluororubber (FKM/Viton), covering a broad range of temperature and chemical compatibility requirements.

    Q4: Can this mechanical seal handle high-temperature or high-pressure conditions?

    Yes. The seal is designed with strong adaptability and can be applied to high temperature, high pressure, and high speed working conditions, meeting the demands of diverse industrial scenarios.

    Q5: How does the spring mechanism contribute to sealing performance?

    A spring is installed between the moving ring and the stationary ring to continuously maintain stable contact pressure between the sealing faces during operation, which ensures reliable sealing and extends the overall service life.

    Q6: Is this mechanical seal easy to replace or maintain?

    Yes. The seal features a simple structure that is easy to disassemble and replace, helping to reduce equipment downtime and lower overall maintenance costs in the field.