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Floating Oil Seal: Superior Protection and Efficiency for Rotating Equipment


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    Advantages of a Floating Oil Seal


    A floating oil seal delivers exceptional sealing performance under extreme operating conditions. It offers superior wear resistance, reliable contamination exclusion, and effective automatic compensation for surface wear. This combination ensures long-lasting reliability, making the floating oil seal especially valuable in heavy-duty environments such as construction, mining, and agricultural machinery.

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    Robust Materials and Structural Design


    The floating oil seal typically consists of two metal rings—one rotating, one stationary—supported by elastomeric elements like O-rings to maintain axial pressure and alignment. Commonly used materials include high-chromium cast iron for excellent wear resistance and alloy cast iron offering enhanced corrosion and high-temperature resistance. This structural design enables the floating oil seal to sustain pressures up to 30 MPa and temperatures from –100 °C to 200 °C, while resisting abrasive contaminants such as mud, dust, and water.


    Performance Snapshot


    FeatureBenefit Description
    Wear ResistanceEnsures long service life even under abrasive conditions
    Automatic CompensationMaintains seal integrity despite gradual surface wear
    Temperature & Pressure ToleranceOperates reliably across wide temperature and pressure ranges
    Contamination ExclusionKeeps out harmful dust, debris, and moisture

    The floating oil seal stands out for its ability to adapt dynamically to wear while maintaining a precise seal—ideal for rotating components exposed to harsh environments.


    Operational Reliability and Efficiency


    The self-aligning, non-contact nature of the floating oil seal generates an oil film that dynamically seals rotating parts—reducing friction and extending operational efficiency, particularly in high-speed machinery. Its simple yet effective construction enables dependable functionality with minimal complications, contributing to reduced maintenance needs and enhanced uptime.

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    Room 807, Building No.7, No.36 Zhuji Road, Tianhe District, Guangzhou, China
    A5 Building, Zhucun No.6 Industrial Zone, Tianhe District, Guangzhou, China
    GUANGZHOU JIARUI SEALS CO., LTD.
    Produce sealing elements for you! Whenever and whatever you need, we can provide the best solution for you.
    To Know JR SEAL More
    GUANGZHOU JIARUI SEALS CO., LTD.
    Produce sealing elements for you! Whenever and whatever you need, we can provide the best solution for you.
    To Know JR SEAL More
    Room 807, Building No.7, No.36 Zhuji Road, Tianhe District, Guangzhou, China
    A5 Building, Zhucun No.6 Industrial Zone, Tianhe District, Guangzhou, China
    jr@jrsealing.com 020-32381126